21474364912

Names of 21474364912

• Cardinal: 21474364912 can be written as Twenty-one billion, four hundred seventy-four million, three hundred sixty-four thousand, nine hundred twelve.

Scientific notation

• Scientific notation: 2.1474364912 × 10¹⁰

Factors of 21474364912

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 6117

Divisors of 21474364912

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 4 7 8 11 13 14 16 17 22 26 28 34 44 52 56 68 77 88 91 104 112 119 136 143 154 169 176 182 187 208 221 238 272 286 308 338 364 374 442 476 572 616 676 728 748 884 952 1001 1144 1183 1232 1309 1352 1456 1496 1547 1768 1859 1904 2002 2288 2366 2431 2618 2704 2873 2992 3094 3536 3718 4004 4732 4862 5236 5746 6067 6188 7436 8008 9464 9724 10472 11492 12134 12376 13013 14872 16016 17017 18928 19448 20111 20944 22984 24268 24752 26026 29744 31603 34034 38896 40222 42469 45968 48536 52052 63206 66737 68068 78871 80444 84938 97072 103139 104104 126412 133474 136136 157742 160888 169876 206278 208208 221221 252824 266948 272272 315484 321776 339752 412556 442442 467159 505648 533896 552097 630968 679504 721973 825112 867581 884884 934318 1025323 1067792 1104194 1134529 1261936 1340807 1443946 1650224 1735162 1769768 1868636 2050646 2208388 2269058 2681614 2887892 3470324 3539536 3737272 4101292 4416776 4538116 5363228 5775784 6073067 6940648 7177261 7474544 7941703 8202584 8833552 9076232 9385649 10726456 11278553 11551568 12146134 13881296 14354522 14748877 15883406 16405168 17430491 18152464 18771298 21452912 22557106 24292268 28709044 29497754 31766812 34860982 37542596 45114212 48584536 57418088 58995508 63533624 69721964 75085192 78949871 90228424 97169072 103242139 114836176 117991016 122013437 127067248 139443928 150170384 157899742 180456848 191735401 206484278 235982032 244026874 278887856 315799484 383470802 412968556 488053748 631598968 766941604 825937112 976107496 1263197936 1342147807 1533883208 1651874224 1952214992 2684295614 3067766416 5368591228 10737182456 21474364912
• Sum of all divisors σ(n): 59484264192
• Sum of proper divisors (its aliquot sum) s(n): 38009899280
• 21474364912 is an abundant number, because the sum of its proper divisors (38009899280) is greater than itself. Its abundance is 16535534368

Bases of 21474364912

• Binary: 10011111111111110001100110111110000₂
• Hexadecimal: 0x4FFF8CDF0
• Base-36: 9V5A60G

Squares and roots of 21474364912

• 21474364912 squared (21474364912²) is 461148348373736767744
• 21474364912 cubed (21474364912³) is 9902867911543725107566046998528
• The square root of 21474364912 is 146541.3419892147
• The cube root of 21474364912 is 2779.5432936759

Scales and comparisons

• 21,474,364,912 seconds is equal to 682 years, 42 weeks, 3 days, 21 hours, 21 minutes, 52 seconds.
• To count from 1 to 21,474,364,912 would take you about one thousand, three hundred sixty-five 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 21474364912 cubic inches would be around 231.6 feet tall.

Recreational maths with 21474364912

• 21474364912 backwards is 21946347412
• The number of decimal digits it has is: 11
• The sum of 21474364912's digits is 43
• More coming soon!