21027569607728125

Names of 21027569607728125

• Cardinal: 21027569607728125 can be written as Twenty-one quadrillion, twenty-seven trillion, five hundred sixty-nine billion, six hundred seven million, seven hundred twenty-eight thousand, one hundred twenty-five.

Scientific notation

• Scientific notation: 2.1027569607728125 × 10¹⁶

Factors of 21027569607728125

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 17517

Divisors of 21027569607728125

• Number of divisors d(n): 324
• Complete list of divisors:
  1 5 13 17 25 65 85 89 125 169 221 289 325 425 445 625 845 1105 1157 1445 1513 1625 2125 2225 2873 3125 3757 4225 5525 5785 7225 7565 7921 8125 10625 11125 14365 15041 17393 18785 19669 21125 25721 27625 28925 36125 37825 39605 40625 48841 53125 55625 71825 75205 86965 93925 98345 102973 105625 128605 134657 138125 144625 180625 189125 198025 226109 244205 255697 278125 295681 334373 359125 376025 434825 469625 491725 514865 528125 643025 673285 690625 723125 903125 945625 990125 1130545 1221025 1278485 1338649 1478405 1547977 1671865 1750541 1795625 1880125 2174125 2289169 2348125 2458625 2574325 2939417 3215125 3366425 3615625 3843853 4346849 4728125 4950625 5026577 5652725 6105125 6392425 6693245 7392025 7739885 8359325 8752705 8978125 9400625 10870625 11445845 11740625 12293125 12871625 14697085 16075625 16832125 19219265 20123701 21734245 22757033 24753125 25132885 26315609 28263625 29759197 30525625 31962125 33466225 36960125 38699425 41796625 43763525 47003125 49970089 54353125 57229225 61465625 64358125 65345501 73485425 80378125 84160625 96096325 100618505 108671225 113785165 125664425 131578045 137769953 141318125 148795985 152628125 159810625 167331125 184800625 193497125 208983125 218817625 249850445 261608113 286146125 321790625 326727505 342102917 367427125 386869561 420803125 447365353 480481625 503092525 543356125 568925825 628322125 657890225 688849765 706590625 743979925 799053125 836655625 849491513 924003125 967485625 1044915625 1094088125 1249252225 1308040565 1430730625 1633637525 1710514585 1791009389 1837135625 1934347805 2236826765 2342089201 2402408125 2515462625 2716780625 2844629125 3141610625 3289451125 3444248825 3719899625 4183278125 4247457565 4447337921 4837428125 5470440625 5815749589 6246261125 6540202825 7153653125 8168187625 8552572925 8955046945 9185678125 9671739025 11184133825 11710446005 12012040625 12577313125 13583903125 14223145625 15708053125 16447255625 17221244125 18599498125 21237287825 22236689605 23283122057 29078747945 30447159613 31231305625 32701014125 39815516417 40840938125 42762864625 44775234725 48358695125 55920669125 58552230025 62886565625 71115728125 75604744657 82236278125 86106220625 92997490625 106186439125 111183448025 116415610285 145393739725 152235798065 156156528125 163505070625 199077582085 204204690625 213814323125 223876173625 241793475625 279603345625 292761150125 378023723285 395813074969 430531103125 517601713421 530932195625 555917240125 582078051425 726968698625 761178990325 817525353125 995387910425 1069071615625 1119380868125 1208967378125 1398016728125 1463805750625 1890118616425 1979065374845 2588008567105 2654660978125 2779586200625 2910390257125 3634843493125 3805894951625 4976939552125 5596904340625 6728822274473 7319028753125 9450593082125 9895326874225 12940042835525 13897931003125 14551951285625 18174217465625 19029474758125 24884697760625 33644111372365 47252965410625 49476634371125 64700214177625 72759756428125 95147373790625 124423488803125 168220556861825 236264827053125 247383171855625 323501070888125 841102784309125 1236915859278125 1617505354440625 4205513921545625 21027569607728125
• Sum of all divisors σ(n): 30577917292155324
• Sum of proper divisors (its aliquot sum) s(n): 9550347684427199
• 21027569607728125 is a deficient number, because the sum of its proper divisors (9550347684427199) is less than itself. Its deficiency is 11477221923300926

Bases of 21027569607728125

• Binary: 1001010101101000111011010010000111101010101101111111101₂
• Hexadecimal: 0x4AB47690F55BFD
• Base-36: 5R1NG4COKXP

Squares and roots of 21027569607728125

• 21027569607728125 squared (21027569607728125²) is 442158683607851532689723916015625
• 21027569607728125 cubed (21027569607728125³) is 9297522497225534786856772474870882013458251953125
• The square root of 21027569607728125 is 145008860.4455883757
• The cube root of 21027569607728125 is 276013.0989010389

Scales and comparisons

• 21,027,569,607,728,125 seconds is equal to 668,611,670 years, 51 weeks, 14 hours, 15 minutes, 25 seconds.
• To count from 1 to 21,027,569,607,728,125 would take you about two billion, five million, eight hundred thirty-five thousand and twelve 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 21027569607728125 cubic inches would be around 23001.1 feet tall.

Recreational maths with 21027569607728125

• 21027569607728125 backwards is 52182770696572012
• The number of decimal digits it has is: 17
• The sum of 21027569607728125's digits is 70
• More coming soon!