100,000,000,000,000: Difference between revisions

Revision as of 13:25, 23 September 2026

Mathematics portal

100,000,000,000,000 (hundred trillion on the short scale; hundred billion on the long scale; hundred thousand billion; hundred million million) is the natural number following 99,999,999,999,999 and preceding 100,000,000,000,001. It is known as 1 lakh arab, 1000 kharab, 1 crore crore, or 10 nil in the Indian numbering system.

Selected 15-digit numbers (100,000,000,000,001–999,999,999,999,999)

100,000,000,000,001 to 199,999,999,999,999

100,000,000,000,031 : smallest 15-digit prime number^[1]
100,000,012,392,316 : smallest 15-digit triangular number, 14,142,136th triangular number^[2]^[3]
100,169,256,075,517 : 202nd Markov number^[4]
106,974,698,806,081 : 203rd Markov number
111,111,111,111,111 : repunit
111,146,809,165,122 : 43rd Wedderburn-Etherington number^[5]
114,988,706,524,270 : 34th Motzkin number^[6]
117,669,030,460,994 : 204th Markov number, 69th Fibonacci number
120,984,833,091,531 : 53rd repfigit^[7]
124,145,519,261,542 : 38th Pell number^[8]
124,738,635,483,875 : number of series-reduced planted trees with 51 nodes^[9]
127,353,146,734,466 : 205th Markov number
130,429,015,516,800 : 82nd superabundant number^[10]
144,403,552,893,600 : 83rd superabundant number
145,624,636,022,689 : 206th Markov number
148,135,740,183,017 : 207th Markov number
151,620,880,341,401 : 208th Markov number
152,657,555,033,144 : number of (unordered, unlabeled) rooted trimmed trees with 41 nodes^[11]
163,767,326,286,012 : number of 55-bead necklaces (turning over is allowed) where complements are equivalent^[12]
166,799,988,689,300 : number of 54-bead binary necklaces with beads of 2 colors where the colors may be swapped but turning over is not allowed^[13]
180,995,342,924,521 : 209th Markov number
184,717,953,466,367 : 42nd Woodall number^[14]
187,611,224,490,881 : 210th Markov number
190,392,490,709,135 : 70th Fibonacci number
195,643,523,275,200 : 84th superabundant number, 20th superior highly composite number^[15]

200,000,000,000,000 to 299,999,999,999,999

213,458,046,676,875 = 27!!
215,440,028,338,359 : number of secondary structures of RNA molecules with 40 nucleotides^[16]
217,774,440,785,026 : 211th Markov number
222,222,222,222,222 : repdigit
238,763,690,000,642 : 212th Markov number
259,215,937,709,463 : 22nd Schröder–Hipparchus number^[17]
259,918,212,890,625 : 27th automorphic number^[18]
262,229,286,072,101 : 213th Markov number
263,747,951,750,360 : 28th Catalan number^[19]
265,077,991,831,995 : number of series-reduced planted trees with 52 nodes
266,552,682,265,118 : 44th Wedderburn-Etherington number
270,585,509,032,586 : 54th repfigit
288,807,105,787,200 : 85th superabundant number
299,713,796,309,065 : 214th Markov number, 39th Pell number

300,000,000,000,000 to 399,999,999,999,999

308,061,521,170,129 : 215th Markov number, 71st Fibonacci number
316,141,040,381,993 : 216th Markov number
321,685,824,284,100 : number of 56-bead necklaces (turning over is allowed) where complements are equivalent
327,534,518,354,296 : number of 55-bead binary necklaces with beads of 2 colors where the colors may be swapped but turning over is not allowed
330,931,069,469,828 : 35th Motzkin number
332,380,318,337,465 : 217th Markov number
333,333,333,333,333 : repdigit
335,990,918,918,981 : 17th alternating factorial^[20]
355,687,428,096,000 = 17!
355,687,428,096,153 : 17th factoriangular number^[21]
378,231,999,954,943 : 43rd Woodall number
379,325,837,704,445 : 218th Markov number
381,249,713,544,034 : 219th Markov number
382,745,902,953,654 : number of (unordered, unlabeled) rooted trimmed trees with 42 nodes

400,000,000,000,000 to 499,999,999,999,999

426,776,599,819,081 : 220th Markov number
433,210,658,680,800 : 86th superabundant number
444,444,444,444,444 : repdigit
459,789,046,174,429 : 221st Markov number
473,638,416,248,177 : 222nd Markov number
498,454,011,879,264 : 72nd Fibonacci number

500,000,000,000,000 to 599,999,999,999,999

542,557,456,311,485 : 223rd Markov number
544,288,586,926,914 : number of secondary structures of RNA molecules with 41 nucleotides
554,510,738,235,029 : 224th Markov number
555,555,555,555,555 : repdigit
563,637,117,190,957 : number of series-reduced planted trees with 53 nodes
577,614,211,574,400 : 87th superabundant number

600,000,000,000,000 to 699,999,999,999,999

632,084,292,449,766 : number of 57-bead necklaces (turning over is allowed) where complements are equivalent
639,754,054,803,187 : 45th Wedderburn-Etherington number
643,371,380,132,744 : number of 56-bead binary necklaces with beads of 2 colors where the colors may be swapped but turning over is not allowed
666,666,666,666,666 : repdigit
668,746,232,531,714 : 225th Markov number
686,480,075,504,546 : 226th Markov number

700,000,000,000,000 to 799,999,999,999,999

723,573,111,879,672 : 40th Pell number
740,081,787,109,376 : 28th automorphic number
754,788,753,590,897 : 55th repfigit
767,465,181,141,553 : 227th Markov number
774,056,185,954,303 : 44th Woodall number
777,777,777,777,777 : repdigit

800,000,000,000,000 to 899,999,999,999,999

806,515,533,049,393 : 228th Markov number, 73rd Fibonacci number
866,421,317,361,600 : 88th superabundant number
867,493,136,119,153 : 229th Markov number
888,888,888,888,888 : repdigit

900,000,000,000,000 to 999,999,999,999,999

953,467,954,114,363 : 36th Motzkin number, largest known Motzkin prime
960,445,232,762,244 : number of (unordered, unlabeled) rooted trimmed trees with 43 nodes
971,341,527,703,714 : 230th Markov number
998,123,312,425,769 : 231st Markov number
999,999,999,999,989 : largest 15-digit prime number^[22]
999,999,999,999,999 : largest 15-digit number, repdigit

References

Template:Large numbers Template:Integers Template:Portal bar

[A003617-1] Template:Cite OEIS

[A068093-2] Template:Cite OEIS

[A068092-3] Template:Cite OEIS

[A002559-4] Template:Cite OEIS

[A001190-5] Template:Cite OEIS

[A001006-6] Template:Cite OEIS

[A007629-7] Template:Cite OEIS

[A000129-8] Template:Cite OEIS

[A001678-9] Template:Cite OEIS

[A004394-10] Template:Cite OEIS

[A002955-11] Template:Cite OEIS

[A000011-12] Template:Cite OEIS

[A000013-13] Template:Cite OEIS

[A003261-14] Template:Cite OEIS

[A002201-15] Template:Cite OEIS

[A004148-16] Template:Cite OEIS

[A001003-17] Template:Cite OEIS

[A003226-18] Template:Cite OEIS

[A000108-19] Template:Cite OEIS

[20] Template:Cite OEIS

[A101292-21] Template:Cite OEIS

[A003618-22] Template:Cite OEIS

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 {{Portal|Mathematics}}
 '''100,000,000,000,000''' ('''hundred trillion''' on the short scale; '''hundred billion''' on the long scale; hundred thousand [[1,000,000,000|billion]]; hundred million [[1,000,000|million]]) is the [[natural number]] following [[10,000,000,000,000#99,000,000,000,000 to 99,999,999,999,999|99,999,999,999,999]] and preceding 100,000,000,000,001. It is known as 1 [[lakh]] arab, 1000 kharab, 1 crore [[crore]], or 10 nil in the Indian numbering system.
-== Properties and usage ==
-,000,000,000,000 has the following properties and usage:
-=== In mathematics ===
-*It is [[Even number|even]], [[Composite number|composite]], [[Abundant number|abundant]], [[Polite number|polite]], [[Practical number|practical]], [[Frugal number|frugal]], and [[Regular number|regular]]. It is also a [[perfect power]] and a [[harshad number]].
-*It is written in scientific notation as '''1 × 10<sup>14</sup>''' or '''10<sup>14</sup>''' ('''1E+14''' or simply '''1E14''' in [[Scientific notation#E notation|E notation]]).
-*It has a total of 225 divisors (210 even, 15 odd). All divisors are displayed below:
-<blockquote><small>1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 256, 320, 400, 500, 512, 625, 640, 800, 1000, 1024, 1250, 1280, 1600, 2000, 2048, 2500, 2560, 3125, 3200, 4000, 4096, 5000, 5120, 6250, 6400, 8000, 8192, 10000, 10240, 12500, 12800, 15625, 16000, 16384, 20000, 20480, 25000, 25600, 31250, 32000, 40000, 40960, 50000, 51200, 62500, 64000, 78125, 80000, 81920, 100000, 102400, 125000, 128000, 156250, 160000, 200000, 204800, 250000, 256000, 312500, 320000, 390625, 400000, 409600, 500000, 512000, 625000, 640000, 781250, 800000, 1000000, 1024000, 1250000, 1280000, 1562500, 1600000, 1953125, 2000000, 2048000, 2500000, 2560000, 3125000, 3200000, 3906250, 4000000, 5000000, 5120000, 6250000, 6400000, 7812500, 8000000, 9765625, 10000000, 10240000, 12500000, 12800000, 15625000, 16000000, 19531250, 20000000, 25000000, 25600000, 31250000, 32000000, 39062500, 40000000, 48828125, 50000000, 51200000, 62500000, 64000000, 78125000, 80000000, 97656250, 100000000, 125000000, 128000000, 156250000, 160000000, 195312500, 200000000, 244140625, 250000000, 256000000, 312500000, 320000000, 390625000, 400000000, 488281250, 500000000, 625000000, 640000000, 781250000, 800000000, 976562500, 1000000000, 1220703125, 1250000000, 1280000000, 1562500000, 1600000000, 1953125000, 2000000000, 2441406250, 2500000000, 3125000000, 3200000000, 3906250000, 4000000000, 4882812500, 5000000000, 6103515625, 6250000000, 6400000000, 7812500000, 8000000000, 9765625000, 10000000000, 12207031250, 12500000000, 15625000000, 16000000000, 19531250000, 20000000000, 24414062500, 25000000000, 31250000000, 32000000000, 39062500000, 40000000000, 48828125000, 50000000000, 62500000000, 78125000000, 80000000000, 97656250000, 100000000000, 125000000000, 156250000000, 160000000000, 195312500000, 200000000000, 250000000000, 312500000000, 390625000000, 400000000000, 500000000000, 625000000000, 781250000000, 800000000000, 1000000000000, 1250000000000, 1562500000000, 2000000000000, 2500000000000, 3125000000000, 4000000000000, 5000000000000, 6250000000000, 10000000000000, 12500000000000, 20000000000000, 25000000000000, 50000000000000, 100000000000000</small></blockquote>
-*The sum of all its divisors, including itself, is 249,992,370,597,277.
-*It has an [[Euler's totient function|Euler totient]] of 40,000,000,000,000, and an [[aliquot sum]] of 149,992,370,597,277.
-*There are a total of 3,204,941,750,802 positive [[prime number|prime]]s less than it.<ref name=A006880>{{Cite OEIS|A006880|Number of primes less than 10^n}}</ref>
-*Below is the list of basic calculations of 100,000,000,000,000:
-{| class="wikitable" style="margin:1em auto; text-align: center; background: white"
-! style="width:50px;" |
-! style="width:150px;" |[[Multiplication]]<br/><math>\scriptstyle{\text{100,000,000,000,000 }\times\text{ x}}</math>
-! style="width:150px;" |[[Division (mathematics)|Division]]<br/><math>\scriptstyle{\text{100,000,000,000,000 }\div\text{ x}}</math>
-! style="width:150px;" |[[Exponentiation]]<br/><math>\scriptstyle{\text{100,000,000,000,000}^\text{x}}</math>
-! style="width:150px;" |[[nth root|{{mvar|n}}th root]]<br/>
-<math>\scriptstyle{\sqrt[\text{x}]{\text{100,000,000,000,000}}}</math>
-|-
-|2||200,000,000,000,000||50,000,000,000,000||10<sup>28</sup>||10,000,000
-|-
-|3||300,000,000,000,000||33,333,333,333,333.{{overline|3}}||10<sup>42</sup>||≈46,415.8883
-|-
-|4||400,000,000,000,000||25,000,000,000,000||10<sup>56</sup>||≈3,162.2776
-|-
-|5||500,000,000,000,000||20,000,000,000,000||10<sup>70</sup>||≈630.9573
-|-
-|6||600,000,000,000,000||16,666,666,666,666.{{overline|6}}||10<sup>84</sup>||≈215.4434
-|-
-|7||700,000,000,000,000||14,285,714,285,714.{{overline|285714}}||10<sup>98</sup>||100
-|-
-|8||800,000,000,000,000||12,500,000,000,000||10<sup>112</sup>||≈56.2341
-|-
-|9||900,000,000,000,000||11,111,111,111,111.{{overline|1}}||10<sup>126</sup>||≈35.9381
-|-
-|10||1,000,000,000,000,000||10,000,000,000,000||10<sup>140</sup>||≈25.1188
-|}
 == Selected 15-digit numbers (100,000,000,000,001–999,999,999,999,999) ==