20731921645824

Names of 20731921645824

• Cardinal: 20731921645824 can be written as Twenty trillion, seven hundred thirty-one billion, nine hundred twenty-one million, six hundred forty-five thousand, eight hundred twenty-four.

Scientific notation

• Scientific notation: 2.0731921645824 × 10¹³

Factors of 20731921645824

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 3305

Divisors of 20731921645824

• Number of divisors d(n): 243
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 29 32 36 48 58 64 72 87 96 116 128 144 174 192 232 256 261 288 348 384 464 522 576 696 768 841 928 1044 1152 1392 1682 1856 2088 2304 2523 2784 3271 3364 3712 4176 5046 5568 6542 6728 7424 7569 8352 9813 10092 11136 13084 13456 15138 16704 19626 20184 22272 26168 26912 29439 30276 33408 39252 40368 52336 53824 58878 60552 66816 78504 80736 94859 104672 107648 117756 121104 157008 161472 189718 209344 215296 235512 242208 284577 314016 322944 379436 418688 471024 484416 569154 628032 645888 758872 837376 853731 942048 968832 1138308 1256064 1517744 1707462 1884096 1937664 2276616 2512128 2750911 3035488 3414924 3768192 4553232 5501822 6070976 6829848 7536384 8252733 9106464 10699441 11003644 12141952 13659696 16505466 18212928 21398882 22007288 24283904 24758199 27319392 32098323 33010932 36425856 42797764 44014576 49516398 54638784 64196646 66021864 72851712 85595528 88029152 96294969 99032796 109277568 128393292 132043728 171191056 176058304 192589938 198065592 218555136 256786584 264087456 310283789 342382112 352116608 385179876 396131184 513573168 528174912 620567578 684764224 704233216 770359752 792262368 930851367 1027146336 1056349824 1241135156 1369528448 1540719504 1584524736 1861702734 2054292672 2112699648 2482270312 2739056896 2792554101 3081439008 3169049472 3723405468 4108585344 4964540624 5585108202 6162878016 6338098944 7446810936 8217170688 8998229881 9929081248 11170216404 12325756032 14893621872 17996459762 19858162496 22340432808 24651512064 26994689643 29787243744 35992919524 39716324992 44680865616 53989379286 59574487488 71985839048 79432649984 80984068929 89361731232 107978758572 119148974976 143971678096 161968137858 178723462464 215957517144 238297949952 287943356192 323936275716 357446924928 431915034288 575886712384 647872551432 714893849856 863830068576 1151773424768 1295745102864 1727660137152 2303546849536 2591490205728 3455320274304 5182980411456 6910640548608 10365960822912 20731921645824
• Sum of all divisors σ(n): 61926464661789
• Sum of proper divisors (its aliquot sum) s(n): 41194543015965
• 20731921645824 is an abundant number, because the sum of its proper divisors (41194543015965) is greater than itself. Its abundance is 20462621370141

Bases of 20731921645824

• Binary: 100101101101100000110110100110100000100000000₂
• Hexadecimal: 0x12DB06D34100
• Base-36: 7CK42V5S0

Squares and roots of 20731921645824

• 20731921645824 squared (20731921645824²) is 429812575128585712896638976
• 20731921645824 cubed (20731921645824³) is 8910840629955680361345539861711866036224
• 20731921645824 is a perfect square number. Its square root is 4553232
• The cube root of 20731921645824 is 27471.3405650243

Scales and comparisons

• 20,731,921,645,824 seconds is equal to 659,210 years, 50 weeks, 6 days, 19 hours, 50 minutes, 24 seconds.
• To count from 1 to 20,731,921,645,824 would take you about one million, six hundred forty-eight thousand and twenty-seven 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 20731921645824 cubic inches would be around 2289.3 feet tall.

Recreational maths with 20731921645824

• 20731921645824 backwards is 42854612913702
• The number of decimal digits it has is: 14
• The sum of 20731921645824's digits is 54
• More coming soon!