21107869946916544

Names of 21107869946916544

• Cardinal: 21107869946916544 can be written as Twenty-one quadrillion, one hundred seven trillion, eight hundred sixty-nine billion, nine hundred forty-six million, nine hundred sixteen thousand, five hundred forty-four.

Scientific notation

• Scientific notation: 2.1107869946916544 × 10¹⁶

Factors of 21107869946916544

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 584

Divisors of 21107869946916544

• Number of divisors d(n): 196
• Complete list of divisors:
  1 2 4 8 11 16 22 32 44 64 88 121 176 242 352 484 571 704 968 1142 1331 1936 2284 2662 3872 4568 5324 6281 7744 9136 10648 12562 14641 18272 21296 25124 29282 36544 42592 50248 58564 69091 85184 100496 117128 138182 161051 200992 234256 276364 322102 326041 401984 468512 552728 644204 652082 760001 937024 1105456 1288408 1304164 1520002 1771561 2210912 2576816 2608328 3040004 3543122 3586451 4421824 5153632 5216656 6080008 7086244 7172902 8360011 10307264 10433312 12160016 14172488 14345804 16720022 20866624 24320032 28344976 28691608 33440044 39450961 48640064 56689952 57383216 66880088 78901922 91960121 113379904 114766432 133760176 157803844 183920242 186169411 229532864 267520352 315607688 367840484 372338822 433960571 535040704 631215376 735680968 744677644 867921142 1011561331 1262430752 1471361936 1489355288 1735842284 2023122662 2047863521 2524861504 2942723872 2978710576 3471684568 4046245324 4095727042 4773566281 5885447744 5957421152 6943369136 8092490648 8191454084 9547132562 11914842304 13886738272 16184981296 16382908168 19094265124 22526498731 27773476544 32369962592 32765816336 38188530248 45052997462 52509229091 64739925184 65531632672 76377060496 90105994924 105018458182 131063265344 152754120992 180211989848 210036916364 247791486041 305508241984 360423979696 420073832728 495582972082 577601520001 720847959392 840147665456 991165944164 1155203040002 1441695918784 1680295330912 1982331888328 2310406080004 2725706346451 3360590661824 3964663776656 4620812160008 5451412692902 7929327553312 9241624320016 10902825385804 15858655106624 18483248640032 21805650771608 29982769810961 36966497280064 43611301543216 59965539621922 87222603086432 119931079243844 174445206172864 239862158487688 329810467920571 479724316975376 659620935841142 959448633950752 1319241871682284 1918897267901504 2638483743364568 5276967486729136 10553934973458272 21107869946916544
• Sum of all divisors σ(n): 46155352494953416
• Sum of proper divisors (its aliquot sum) s(n): 25047482548036872
• 21107869946916544 is an abundant number, because the sum of its proper divisors (25047482548036872) is greater than itself. Its abundance is 3939612601120328

Bases of 21107869946916544

• Binary: 1001010111111010111111011110010001001101010111011000000₂
• Hexadecimal: 0x4AFD7EF226AEC0
• Base-36: 5RU45L5CBLS

Squares and roots of 21107869946916544

• 21107869946916544 squared (21107869946916544²) is 445542173695942626020413300903936
• 21107869946916544 cubed (21107869946916544³) is 9404446258240458103964573534872099015971153117184
• The square root of 21107869946916544 is 145285477.4122883351
• 21107869946916544 is a perfect cube number. Its cube root is 276364

Scales and comparisons

• 21,107,869,946,916,544 seconds is equal to 671,164,973 years, 19 weeks, 6 days, 12 hours, 49 minutes, 4 seconds.
• To count from 1 to 21,107,869,946,916,544 would take you about two billion, thirteen million, four hundred ninety-four thousand, nine hundred twenty 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 21107869946916544 cubic inches would be around 23030.3 feet tall.

Recreational maths with 21107869946916544

• 21107869946916544 backwards is 44561964996870112
• The number of decimal digits it has is: 17
• The sum of 21107869946916544's digits is 82
• More coming soon!