81526994429364

Names of 81526994429364

• Cardinal: 81526994429364 can be written as Eighty-one trillion, five hundred twenty-six billion, nine hundred ninety-four million, four hundred twenty-nine thousand, three hundred sixty-four.

Scientific notation

• Scientific notation: 8.1526994429364 × 10¹³

Factors of 81526994429364

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 7370

Divisors of 81526994429364

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 6 9 11 12 18 22 33 36 44 66 73 99 132 146 198 219 292 349 396 438 657 698 803 876 1047 1314 1396 1483 1606 2094 2409 2628 2966 3141 3212 3839 4188 4449 4818 5449 5932 6282 7227 7678 8898 9636 10898 11517 12564 13347 14454 15356 16313 16347 17796 21796 23034 25477 26694 28908 32626 32694 34551 46068 48939 49041 50954 53388 59939 65252 65388 69102 76431 97878 98082 101908 108259 119878 138204 146817 152862 179817 195756 196164 216518 229293 239756 280247 293634 305724 324777 359634 397777 433036 458586 517567 539451 560494 587268 649554 719268 795554 840741 917172 974331 1035134 1078902 1120988 1190849 1193331 1299108 1552701 1591108 1681482 1901701 1948662 2070268 2157804 2381698 2386662 2522223 3105402 3362964 3572547 3579993 3803402 3897324 4375547 4658103 4763396 4773324 5044446 5693237 5705103 6210804 7145094 7159986 7606804 8080867 8751094 9316206 10088892 10717641 11386474 11410206 13126641 14290188 14319972 16161734 17079711 17115309 17502188 18632412 20918711 21435282 22772948 22820412 24242601 26253282 32323468 34159422 34230618 37782391 39379923 41837422 42870564 48485202 51239133 52506564 62756133 68318844 68461236 72727803 75564782 78759846 83674844 88889537 96970404 102478266 113347173 125512266 138824173 145455606 151129564 157519692 177779074 188268399 204956532 226694346 251024532 266668611 277648346 290911212 340041519 355558148 376536798 415606301 416472519 453388692 533337222 555296692 589903291 680083038 753073596 800005833 831212602 832945038 1066674444 1179806582 1246818903 1249417557 1360166076 1527065903 1600011666 1662425204 1665890076 1769709873 2359613164 2493637806 2498835114 2820222583 3054131806 3200023332 3539419746 3740456709 4581197709 4987275612 4997670228 5309129619 5640445166 6108263612 6488936201 7078839492 7480913418 8460667749 9162395418 10618259238 11280890332 12977872402 13743593127 14961826836 16921335498 18324790836 19466808603 21236518476 25382003247 25955744804 27487186254 31022448413 33842670996 38933617206 50764006494 54974372508 58400425809 62044896826 77867234412 93067345239 101528012988 116800851618 124089793652 186134690478 205876248559 233601703236 279202035717 372269380956 411752497118 558404071434 617628745677 823504994236 1116808142868 1235257491354 1852886237031 2264638734149 2470514982708 3705772474062 4529277468298 6793916202447 7411544948124 9058554936596 13587832404894 20381748607341 27175664809788 40763497214682 81526994429364
• Sum of all divisors σ(n): 228745629840000
• Sum of proper divisors (its aliquot sum) s(n): 147218635410636
• 81526994429364 is an abundant number, because the sum of its proper divisors (147218635410636) is greater than itself. Its abundance is 65691640981272

Bases of 81526994429364

• Binary: 10010100010010111111011100010101110010110110100₂
• Hexadecimal: 0x4A25FB8AE5B4
• Base-36: SWCZFIO50

Squares and roots of 81526994429364

• 81526994429364 squared (81526994429364²) is 6646650820685548687985444496
• 81526994429364 cubed (81526994429364³) is 541881464431958386744927132380907414580544
• The square root of 81526994429364 is 9029230.0020192199
• The cube root of 81526994429364 is 43361.1186010493

Scales and comparisons

• 81,526,994,429,364 seconds is equal to 2,592,306 years, 12 weeks, 4 days, 13 hours, 29 minutes, 24 seconds.
• To count from 1 to 81,526,994,429,364 would take you about six million, four hundred eighty thousand, seven hundred sixty-five years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 81526994429364 cubic inches would be around 3613.4 feet tall.

Recreational maths with 81526994429364

• 81526994429364 backwards is 46392449962518
• The number of decimal digits it has is: 14
• The sum of 81526994429364's digits is 72
• More coming soon!