21401163613856

Names of 21401163613856

• Cardinal: 21401163613856 can be written as Twenty-one trillion, four hundred one billion, one hundred sixty-three million, six hundred thirteen thousand, eight hundred fifty-six.

Scientific notation

• Scientific notation: 2.1401163613856 × 10¹³

Factors of 21401163613856

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1812

Divisors of 21401163613856

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 4 8 13 16 26 31 32 43 52 62 86 104 124 169 172 208 248 338 344 403 416 496 559 676 688 806 992 1118 1333 1352 1376 1612 1723 2236 2666 2704 3224 3446 4472 5239 5332 5408 6448 6892 7267 8944 10478 10664 12896 13784 14534 17329 17888 20956 21328 22399 27568 29068 34658 41912 42656 44798 53413 55136 58136 69316 74089 83824 89596 106826 116272 138632 148178 167648 179192 213652 225277 232544 277264 291187 296356 358384 427304 450554 554528 582374 592712 694369 716768 854608 901108 963157 1164748 1185424 1388738 1709216 1802216 1926314 2296759 2329496 2370848 2777476 2968729 3604432 3852628 4593518 4658992 5554952 5937458 7208864 7705256 9026797 9187036 9317984 11109904 11874916 12521041 15410512 18053594 18374072 22219808 23749832 25042082 29857867 30821024 36107188 36748144 38593477 47499664 50084164 59715734 72214376 73496288 77186954 92030599 94999328 100168328 119431468 127655347 144428752 154373908 184061198 200336656 238862936 255310694 288857504 308747816 368122396 388152271 400673312 477725872 501715201 510621388 617495632 736244792 776304542 955451744 1003430402 1021242776 1196397787 1234991264 1472489584 1552609084 1659519511 2006860804 2042485552 2392795574 2944979168 3105218168 3319039022 3957315757 4013721608 4084971104 4785591148 6210436336 6638078044 7914631514 8027443216 9571182296 12420872672 13276156088 15553171231 15829263028 16054886432 19142364592 21573753643 26552312176 31106342462 31658526056 38284729184 43147507286 51445104841 53104624352 62212684924 63317052112 86295014572 102890209682 124425369848 126634104224 172590029144 205780419364 248850739696 345180058288 411560838728 497701479392 668786362933 690360116576 823121677456 1337572725866 1646243354912 2675145451732 5350290903464 10700581806928 21401163613856
• Sum of all divisors σ(n): 48218864512896
• Sum of proper divisors (its aliquot sum) s(n): 26817700899040
• 21401163613856 is an abundant number, because the sum of its proper divisors (26817700899040) is greater than itself. Its abundance is 5416537285184

Bases of 21401163613856

• Binary: 100110111011011011000110000010100011010100000₂
• Hexadecimal: 0x1376D8C146A0
• Base-36: 7L3K4957K

Squares and roots of 21401163613856

• 21401163613856 squared (21401163613856²) is 458009804027034005875188736
• 21401163613856 cubed (21401163613856³) is 9801942752732677427096858505419824726016
• The square root of 21401163613856 is 4626139.1693134351
• The cube root of 21401163613856 is 27763.8141815277

Scales and comparisons

• 21,401,163,613,856 seconds is equal to 680,490 years, 41 weeks, 5 days, 22 hours, 30 minutes, 56 seconds.
• To count from 1 to 21,401,163,613,856 would take you about one million, seven hundred one thousand, two hundred 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 21401163613856 cubic inches would be around 2313.7 feet tall.

Recreational maths with 21401163613856

• 21401163613856 backwards is 65831636110412
• The number of decimal digits it has is: 14
• The sum of 21401163613856's digits is 47
• More coming soon!