21139672260

Names of 21139672260

• Cardinal: 21139672260 can be written as Twenty-one billion, one hundred thirty-nine million, six hundred seventy-two thousand, two hundred sixty.

Scientific notation

• Scientific notation: 2.113967226 × 10¹⁰

Factors of 21139672260

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 15563

Divisors of 21139672260

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 420 4597 9194 10949 13791 18388 21898 22985 27582 32179 32847 43796 45970 54745 55164 64358 65694 68955 76643 91940 96537 109490 128716 131388 137910 153286 160895 164235 193074 218980 229929 275820 306572 321790 328470 383215 386148 459858 482685 643580 656940 766430 919716 965370 1149645 1532860 1930740 2299290 4598580 50332553 100665106 150997659 201330212 251662765 301995318 352327871 503325530 603990636 704655742 754988295 1006651060 1056983613 1409311484 1509976590 1761639355 2113967226 3019953180 3523278710 4227934452 5284918065 7046557420 10569836130 21139672260
• Sum of all divisors σ(n): 67667846400
• Sum of proper divisors (its aliquot sum) s(n): 46528174140
• 21139672260 is an abundant number, because the sum of its proper divisors (46528174140) is greater than itself. Its abundance is 25388501880

Bases of 21139672260

• Binary: 10011101100000001011100110011000100₂
• Hexadecimal: 0x4EC05CCC4
• Base-36: 9PM0JIC

Squares and roots of 21139672260

• 21139672260 squared (21139672260²) is 446885743260213507600
• 21139672260 cubed (21139672260³) is 9447018150187417448289019176000
• The square root of 21139672260 is 145394.8838852317
• The cube root of 21139672260 is 2765.0272557419

Scales and comparisons

• 21,139,672,260 seconds is equal to 672 years, 9 weeks, 1 day, 3 hours, 11 minutes.
• To count from 1 to 21,139,672,260 would take you about one thousand, three hundred forty-four 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 21139672260 cubic inches would be around 230.4 feet tall.

Recreational maths with 21139672260

• 21139672260 backwards is 06227693112
• The number of decimal digits it has is: 11
• The sum of 21139672260's digits is 39
• More coming soon!