51390718379

Names of 51390718379

• Cardinal: 51390718379 can be written as Fifty-one billion, three hundred ninety million, seven hundred eighteen thousand, three hundred seventy-nine.

Scientific notation

• Scientific notation: 5.1390718379 × 10¹⁰

Factors of 51390718379

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 18261

Divisors of 51390718379

• Number of divisors d(n): 72
• Complete list of divisors:
  1 7 11 13 31 49 77 91 143 169 217 341 403 539 637 1001 1183 1519 1859 2387 2821 4433 5239 7007 8281 13013 16709 18199 19747 31031 36673 57629 91091 127393 200189 217217 236587 256711 403403 564169 891751 1401323 1656109 2602457 2823821 3075631 3949183 6205859 7334197 9809261 11592763 18217199 21529417 27644281 33831941 43441013 51339379 80676167 95344561 127520393 150705919 236823587 304087091 359375653 564733169 667411927 1048790171 1657765109 3953132183 4671883489 7341531197 51390718379
• Sum of all divisors σ(n): 72900172800
• Sum of proper divisors (its aliquot sum) s(n): 21509454421
• 51390718379 is a deficient number, because the sum of its proper divisors (21509454421) is less than itself. Its deficiency is 29881263958

Bases of 51390718379

• Binary: 101111110111001000000010000110101011₂
• Hexadecimal: 0xBF72021AB
• Base-36: NLWPG2Z

Squares and roots of 51390718379

• 51390718379 squared (51390718379²) is 2641005935509688387641
• 51390718379 cubed (51390718379³) is 135723192269045831755305215153939
• The square root of 51390718379 is 226695.2103133191
• The cube root of 51390718379 is 3717.8759596417

Scales and comparisons

• 51,390,718,379 seconds is equal to 1,634 years, 3 weeks, 2 days, 23 hours, 32 minutes, 59 seconds.
• To count from 1 to 51,390,718,379 would take you about three thousand, two hundred sixty-eight 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 51390718379 cubic inches would be around 309.8 feet tall.

Recreational maths with 51390718379

• 51390718379 backwards is 97381709315
• The number of decimal digits it has is: 11
• The sum of 51390718379's digits is 53
• More coming soon!