21423159212

Names of 21423159212

• Cardinal: 21423159212 can be written as Twenty-one billion, four hundred twenty-three million, one hundred fifty-nine thousand, two hundred twelve.

Scientific notation

• Scientific notation: 2.1423159212 × 10¹⁰

Factors of 21423159212

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 3950

Divisors of 21423159212

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 7 13 14 17 26 28 29 31 34 52 58 62 68 91 116 119 124 182 203 217 221 238 364 377 403 406 434 442 476 493 527 754 806 812 868 884 899 986 1054 1508 1547 1612 1798 1972 2108 2639 2821 3094 3451 3596 3689 3851 5278 5642 6188 6293 6409 6851 6902 7378 7702 10556 11284 11687 12586 12818 13702 13804 14756 15283 15404 23374 25172 25636 26957 27404 30566 44863 46748 47957 50063 53914 61132 65467 81809 89726 95914 100126 106981 107828 111679 119381 130934 163618 179452 191828 198679 200252 213962 223358 238762 261868 327236 350441 397358 427924 446716 458269 477524 700882 781753 794716 835667 851071 916538 1390753 1401764 1451827 1551953 1563506 1671334 1702142 1833076 1898543 2029477 2781506 2903654 3103906 3127012 3342668 3404284 3462049 3797086 4058954 5563012 5807308 5957497 6207812 6924098 7594172 8117908 10162789 10863671 11914994 13289801 13848196 14206339 20325578 21727342 23829988 24234343 24681059 26383201 26579602 28412678 40651156 43454684 45006637 48468686 49362118 52766402 53159204 56825356 58854833 90013274 96937372 98724236 105532804 117709666 172767413 180026548 184682407 235419332 315046459 345534826 369364814 411983831 630092918 691069652 738729628 765112829 823967662 1260185836 1530225658 1647935324 3060451316 5355789803 10711579606 21423159212
• Sum of all divisors σ(n): 52185047040
• Sum of proper divisors (its aliquot sum) s(n): 30761887828
• 21423159212 is an abundant number, because the sum of its proper divisors (30761887828) is greater than itself. Its abundance is 9338728616

Bases of 21423159212

• Binary: 10011111100111010110111011110101100₂
• Hexadecimal: 0x4FCEB77AC
• Base-36: 9UASNFW

Squares and roots of 21423159212

• 21423159212 squared (21423159212²) is 458951750622700460944
• 21423159212 cubed (21423159212³) is 9832196424216232116189099816128
• The square root of 21423159212 is 146366.5235359507
• The cube root of 21423159212 is 2777.3322583587

Scales and comparisons

• 21,423,159,212 seconds is equal to 681 years, 9 weeks, 6 days, 5 hours, 33 minutes, 32 seconds.
• To count from 1 to 21,423,159,212 would take you about one thousand, three hundred sixty-two 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 21423159212 cubic inches would be around 231.4 feet tall.

Recreational maths with 21423159212

• 21423159212 backwards is 21295132412
• The number of decimal digits it has is: 11
• The sum of 21423159212's digits is 32
• More coming soon!