21490527831087952

Names of 21490527831087952

• Cardinal: 21490527831087952 can be written as Twenty-one quadrillion, four hundred ninety trillion, five hundred twenty-seven billion, eight hundred thirty-one million, eighty-seven thousand, nine hundred fifty-two.

Scientific notation

• Scientific notation: 2.1490527831087952 × 10¹⁶

Factors of 21490527831087952

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 21762

Divisors of 21490527831087952

• Number of divisors d(n): 270
• Complete list of divisors:
  1 2 4 7 8 13 14 16 26 28 49 52 56 67 91 98 104 112 134 182 196 208 268 364 392 469 536 637 728 784 871 938 1072 1274 1456 1742 1876 2548 3283 3484 3752 4489 5096 6097 6566 6968 7504 8978 10192 12194 13132 13936 17956 21673 24388 26264 31423 35912 42679 43346 48776 52528 58357 62846 71824 85358 86692 97552 116714 125692 151711 170716 173384 219961 233428 251384 281749 303422 341432 346768 408499 439922 466856 502768 563498 606844 682864 816998 879844 933712 1061977 1126996 1213688 1452091 1633996 1759688 1972243 2123954 2253992 2427376 2859493 2904182 3267992 3519376 3944486 4247908 4507984 5718986 5808364 6535984 7888972 8495816 10164637 11437972 11616728 13805701 15777944 16991632 18877183 20329274 22875944 23233456 27611402 31555888 37754366 40658548 45751888 55222804 71152459 75508732 81317096 97290097 110445608 132140281 142304918 151017464 162634192 194580194 220891216 264280562 284609836 302034928 389160388 469718929 528561124 569219672 681030679 778320776 924981967 939437858 1057122248 1138439344 1264771261 1362061358 1556641552 1849963934 1878875716 2114244496 2529542522 2724122716 3288032503 3699927868 3757751432 4767214753 5059085044 5448245432 6106346077 6576065006 7399855736 7515502864 8853398827 9534429506 10118170088 10896490864 12212692154 13152130012 14799711472 17706797654 19068859012 20236340176 23016227521 24425384308 26304260024 31471168243 35413595308 38137718024 42744422539 46032455042 48850768616 52608520048 61973791789 62942336486 70827190616 76275436048 85488845078 92064910084 97701537232 123947583578 125884672972 141654381232 170977690156 184129820168 220298177701 247895167156 251769345944 299210957773 341955380312 368259640336 409125187159 440596355402 495790334312 503538691888 598421915546 683910760624 818250374318 881192710804 991580668624 1196843831092 1542087243907 1636500748636 1762385421608 2108568272281 2393687662184 2863876310113 3084174487814 3273001497272 3524770843216 4217136544562 4787375324368 5727752620226 6168348975628 6546002994544 8434273089124 11455505240452 12336697951256 14759977905967 16868546178248 20047134170791 22911010480904 24673395902512 27411387539653 29519955811934 33737092356496 40094268341582 45822020961808 54822775079306 59039911623868 80188536683164 103319845341769 109645550158612 118079823247736 160377073366328 191879712777571 206639690683538 219291100317224 236159646495472 320754146732656 383759425555142 413279381367076 438582200634448 767518851110284 826558762734152 1343157989442997 1535037702220568 1653117525468304 2686315978885994 3070075404441136 5372631957771988 10745263915543976 21490527831087952
• Sum of all divisors σ(n): 52954358919672798
• Sum of proper divisors (its aliquot sum) s(n): 31463831088584846
• 21490527831087952 is an abundant number, because the sum of its proper divisors (31463831088584846) is greater than itself. Its abundance is 9973303257496894

Bases of 21490527831087952

• Binary: 1001100010110011000010101101101011010000101101101010000₂
• Hexadecimal: 0x4C59856D685B50
• Base-36: 5VLR86XN6TS

Squares and roots of 21490527831087952

• 21490527831087952 squared (21490527831087952²) is 461842786458765834368591959554304
• 21490527831087952 cubed (21490527831087952³) is 9925245255979317094164783191748982867861344145408
• The square root of 21490527831087952 is 146596479.5999138309
• The cube root of 21490527831087952 is 278024.0470162263

Scales and comparisons

• 21,490,527,831,087,952 seconds is equal to 683,332,310 years, 23 weeks, 6 days, 23 hours, 5 minutes, 52 seconds.
• To count from 1 to 21,490,527,831,087,952 would take you about two billion, forty-nine million, nine hundred ninety-six thousand, nine hundred thirty-one 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 21490527831087952 cubic inches would be around 23168.7 feet tall.

Recreational maths with 21490527831087952

• 21490527831087952 backwards is 25978013872509412
• The number of decimal digits it has is: 17
• The sum of 21490527831087952's digits is 73
• More coming soon!