21339983808

Names of 21339983808

• Cardinal: 21339983808 can be written as Twenty-one billion, three hundred thirty-nine million, nine hundred eighty-three thousand, eight hundred eight.

Scientific notation

• Scientific notation: 2.1339983808 × 10¹⁰

Factors of 21339983808

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 538

Divisors of 21339983808

• Number of divisors d(n): 252
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 13 16 18 22 24 26 32 33 36 39 44 48 52 64 66 72 78 88 96 99 104 117 132 143 144 156 176 192 198 208 234 264 286 288 312 352 396 416 429 468 509 528 572 576 624 704 792 832 858 936 1018 1056 1144 1248 1287 1527 1584 1716 1872 2036 2112 2288 2496 2574 3054 3168 3432 3744 4072 4576 4581 5148 5599 6108 6336 6617 6864 7488 8144 9152 9162 10296 11198 12216 13234 13728 16288 16797 18324 19851 20592 22396 24432 26468 27456 32576 33594 36648 39702 41184 44792 48864 50391 52936 59553 67188 72787 73296 79404 82368 89584 97728 100782 105872 119106 134376 145574 146592 158808 179168 201564 211744 218361 238212 259081 268752 291148 293184 317616 358336 403128 423488 436722 476424 518162 537504 582296 635232 655083 777243 806256 873444 952848 1036324 1075008 1164592 1270464 1310166 1554486 1612512 1746888 1905696 2072648 2329184 2331729 2620332 2849891 3108972 3225024 3368053 3493776 3811392 4145296 4658368 4663458 5240664 5699782 6217944 6736106 6987552 8290592 8549673 9326916 10104159 10481328 11399564 12435888 13472212 13975104 16581184 17099346 18653832 20208318 20962656 22799128 24871776 25649019 26944424 30312477 34198692 37048583 37307664 40416636 41925312 45598256 49743552 51298038 53888848 60624954 68397384 74097166 74615328 80833272 91196512 102596076 107777696 111145749 121249908 136794768 148194332 149230656 161666544 182393024 205192152 215555392 222291498 242499816 273589536 296388664 323333088 333437247 410384304 444582996 484999632 547179072 592777328 646666176 666874494 820768608 889165992 969999264 1185554656 1333748988 1641537216 1778331984 1939998528 2371109312 2667497976 3556663968 5334995952 7113327936 10669991904 21339983808
• Sum of all divisors σ(n): 72002236488
• Sum of proper divisors (its aliquot sum) s(n): 50662252680
• 21339983808 is an abundant number, because the sum of its proper divisors (50662252680) is greater than itself. Its abundance is 29322268872

Bases of 21339983808

• Binary: 10011110111111101100100111111000000₂
• Hexadecimal: 0x4F7F64FC0
• Base-36: 9SX9WW0

Squares and roots of 21339983808

• 21339983808 squared (21339983808²) is 455394908925702180864
• 21339983808 cubed (21339983808³) is 9718119982720119214668047450112
• The square root of 21339983808 is 146082.1132377267
• The cube root of 21339983808 is 2773.7332663093

Scales and comparisons

• 21,339,983,808 seconds is equal to 678 years, 28 weeks, 2 days, 13 hours, 16 minutes, 48 seconds.
• To count from 1 to 21,339,983,808 would take you about one thousand, three hundred fifty-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 21339983808 cubic inches would be around 231.1 feet tall.

Recreational maths with 21339983808

• 21339983808 backwards is 80838993312
• The number of decimal digits it has is: 11
• The sum of 21339983808's digits is 54
• More coming soon!