31018789472

Names of 31018789472

• Cardinal: 31018789472 can be written as Thirty-one billion, eighteen million, seven hundred eighty-nine thousand, four hundred seventy-two.

Scientific notation

• Scientific notation: 3.1018789472 × 10¹⁰

Factors of 31018789472

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 258465

Divisors of 31018789472

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 8 11 16 22 31 32 44 62 88 121 124 176 242 248 341 352 484 496 682 968 992 1364 1936 2728 3751 3872 5456 7502 10912 15004 30008 60016 120032 258421 516842 1033684 2067368 2842631 4134736 5685262 8011051 8269472 11370524 16022102 22741048 31268941 32044204 45482096 62537882 64088408 88121561 90964192 125075764 128176816 176243122 250151528 256353632 352486244 500303056 704972488 969337171 1000606112 1409944976 1938674342 2819889952 3877348684 7754697368 15509394736 31018789472
• Sum of all divisors σ(n): 69290174016
• Sum of proper divisors (its aliquot sum) s(n): 38271384544
• 31018789472 is an abundant number, because the sum of its proper divisors (38271384544) is greater than itself. Its abundance is 7252595072

Bases of 31018789472

• Binary: 11100111000110111010010101001100000₂
• Hexadecimal: 0x738DD2A60
• Base-36: E8ZSB4W

Squares and roots of 31018789472

• 31018789472 squared (31018789472²) is 962165300308258038784
• 31018789472 cubed (31018789472³) is 29845202887525512808092506882048
• The square root of 31018789472 is 176121.5190486387
• The cube root of 31018789472 is 3142.0152003763

Scales and comparisons

• 31,018,789,472 seconds is equal to 986 years, 15 weeks, 4 days, 18 hours, 24 minutes, 32 seconds.
• To count from 1 to 31,018,789,472 would take you about one thousand, nine hundred seventy-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 31018789472 cubic inches would be around 261.8 feet tall.

Recreational maths with 31018789472

• 31018789472 backwards is 27498781013
• The number of decimal digits it has is: 11
• The sum of 31018789472's digits is 50
• More coming soon!