21026065424

Names of 21026065424

• Cardinal: 21026065424 can be written as Twenty-one billion, twenty-six million, sixty-five thousand, four hundred twenty-four.

Scientific notation

• Scientific notation: 2.1026065424 × 10¹⁰

Factors of 21026065424

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 881

Divisors of 21026065424

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 4 7 8 13 14 16 26 28 41 49 52 56 67 82 91 98 104 112 134 164 182 196 208 268 287 328 364 392 469 533 536 574 637 656 728 751 784 871 938 1066 1072 1148 1274 1456 1502 1742 1876 2009 2132 2296 2548 2747 3004 3283 3484 3731 3752 4018 4264 4592 5096 5257 5494 6008 6097 6566 6968 7462 7504 8036 8528 9763 10192 10514 10988 12016 12194 13132 13936 14924 16072 19229 19526 21028 21976 24388 26117 26264 29848 30791 32144 35711 36799 38458 39052 42056 42679 43952 48776 50317 52234 52528 59696 61582 68341 71422 73598 76916 78104 84112 85358 97552 100634 104468 123164 134603 136682 142844 147196 153832 156208 170716 201268 208936 215537 246328 249977 269206 273364 285688 294392 307664 341432 352219 400283 402536 417872 431074 478387 492656 499954 538412 546728 571376 588784 654121 682864 704438 800566 805072 862148 956774 999908 1076824 1093456 1308242 1408876 1508759 1601132 1724296 1749839 1913548 1999816 2062997 2153648 2465533 2616484 2801981 2817752 3017518 3202264 3448592 3499678 3827096 3999632 4125994 4578847 4931066 5232968 5603962 5635504 6035036 6404528 6999356 7654192 8251988 9157694 9862132 10465936 11207924 12070072 13998712 14440979 16503976 18315388 19613867 19724264 22415848 24140144 26818961 27997424 28881958 32051929 33007952 36630776 39227734 39448528 44831696 53637922 57763916 64103858 73261552 78455468 101086853 107275844 115527832 128207716 156910936 187732727 202173706 214551688 231055664 256415432 313821872 375465454 404347412 429103376 512830864 750930908 808694824 1314129089 1501861816 1617389648 2628258178 3003723632 5256516356 10513032712 21026065424
• Sum of all divisors σ(n): 53130099456
• Sum of proper divisors (its aliquot sum) s(n): 32104034032
• 21026065424 is an abundant number, because the sum of its proper divisors (32104034032) is greater than itself. Its abundance is 11077968608

Bases of 21026065424

• Binary: 10011100101010000000100110000010000₂
• Hexadecimal: 0x4E5404C10
• Base-36: 9NQDJWW

Squares and roots of 21026065424

• 21026065424 squared (21026065424²) is 442095427214328299776
• 21026065424 cubed (21026065424³) is 9295527376259696901304860545024
• The square root of 21026065424 is 145003.6738293207
• The cube root of 21026065424 is 2760.0651731443

Scales and comparisons

• 21,026,065,424 seconds is equal to 668 years, 29 weeks, 2 days, 5 hours, 43 minutes, 44 seconds.
• To count from 1 to 21,026,065,424 would take you about one thousand, three hundred thirty-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 21026065424 cubic inches would be around 230 feet tall.

Recreational maths with 21026065424

• 21026065424 backwards is 42456062012
• The number of decimal digits it has is: 11
• The sum of 21026065424's digits is 32
• More coming soon!