21221947552

Names of 21221947552

• Cardinal: 21221947552 can be written as Twenty-one billion, two hundred twenty-one million, nine hundred forty-seven thousand, five hundred fifty-two.

Scientific notation

• Scientific notation: 2.1221947552 × 10¹⁰

Factors of 21221947552

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 3767

Divisors of 21221947552

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 8 13 16 17 19 26 32 34 38 43 52 68 76 86 104 136 152 172 208 221 247 272 304 323 344 416 442 494 544 559 608 646 688 731 817 884 988 1118 1292 1376 1462 1634 1768 1976 2236 2584 2924 3268 3536 3673 3952 4199 4472 5168 5848 6536 7072 7346 7904 8398 8944 9503 10336 10621 11696 13072 13889 14692 16796 17888 19006 21242 23392 26144 27778 29384 33592 38012 42484 47749 55556 58768 62441 67184 69787 76024 84968 95498 111112 117536 124882 134368 139574 152048 157939 169936 180557 190996 222224 249764 279148 304096 315878 339872 361114 381992 444448 499528 558296 631756 722228 763984 811733 907231 999056 1116592 1186379 1263512 1444456 1527968 1623466 1814462 1998112 2053207 2233184 2372758 2527024 2684963 2888912 3000841 3246932 3628924 4106414 4745516 5054048 5369926 5777824 6001682 6493864 7257848 8212828 9491032 10739852 12003364 12987728 14515696 15422927 16425656 18982064 21479704 24006728 25975456 29031392 30845854 32851312 34904519 37964128 39010933 42959408 48013456 51014297 61691708 65702624 69809038 78021866 85918816 96026912 102028594 123383416 139618076 156043732 204057188 246766832 279236152 312087464 408114376 493533664 558472304 624174928 663185861 816228752 1116944608 1248349856 1326371722 1632457504 2652743444 5305486888 10610973776 21221947552
• Sum of all divisors σ(n): 51329013120
• Sum of proper divisors (its aliquot sum) s(n): 30107065568
• 21221947552 is an abundant number, because the sum of its proper divisors (30107065568) is greater than itself. Its abundance is 8885118016

Bases of 21221947552

• Binary: 10011110000111011010011100010100000₂
• Hexadecimal: 0x4F0ED38A0
• Base-36: 9QYZZJ4

Squares and roots of 21221947552

• 21221947552 squared (21221947552²) is 450371057899838792704
• 21221947552 cubed (21221947552³) is 9557750969689134128019288260608
• The square root of 21221947552 is 145677.5464922443
• The cube root of 21221947552 is 2768.6097604731

Scales and comparisons

• 21,221,947,552 seconds is equal to 674 years, 41 weeks, 1 day, 9 hours, 25 minutes, 52 seconds.
• To count from 1 to 21,221,947,552 would take you about one thousand, three hundred forty-nine 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 21221947552 cubic inches would be around 230.7 feet tall.

Recreational maths with 21221947552

• 21221947552 backwards is 25574912212
• The number of decimal digits it has is: 11
• The sum of 21221947552's digits is 40
• More coming soon!