31129643338981

Names of 31129643338981

• Cardinal: 31129643338981 can be written as Thirty-one trillion, one hundred twenty-nine billion, six hundred forty-three million, three hundred thirty-eight thousand, nine hundred eighty-one.

Scientific notation

• Scientific notation: 3.1129643338981 × 10¹³

Factors of 31129643338981

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 34910

Divisors of 31129643338981

• Number of divisors d(n): 48
• Complete list of divisors:
  1 11 19 73 121 209 803 1387 2299 5329 8833 15257 34807 58619 101251 167827 382877 389017 644809 661333 1113761 2540911 4211647 4279187 7274663 7391323 12251371 27950021 47071057 48277309 80021293 81304553 185486503 307450231 531050399 894350083 2040351533 3524243557 5841554389 13540514719 22443866863 38766679127 148945661909 257269779661 426433470397 1638402280999 2829967576271 31129643338981
• Sum of all divisors σ(n): 36519063817600
• Sum of proper divisors (its aliquot sum) s(n): 5389420478619
• 31129643338981 is a deficient number, because the sum of its proper divisors (5389420478619) is less than itself. Its deficiency is 25740222860362

Bases of 31129643338981

• Binary: 111000100111111101111010101010100110011100101₂
• Hexadecimal: 0x1C4FEF554CE5
• Base-36: B18RDWEZP

Squares and roots of 31129643338981

• 31129643338981 squared (31129643338981²) is 969054694412164142474118361
• 31129643338981 cubed (31129643338981³) is 30166327013015893979150254497694239130141
• The square root of 31129643338981 is 5579394.5315760741
• The cube root of 31129643338981 is 31457.5369182291

Scales and comparisons

• 31,129,643,338,981 seconds is equal to 989,826 years, 19 weeks, 21 hours, 43 minutes, 1 second.
• To count from 1 to 31,129,643,338,981 would take you about two million, four hundred seventy-four thousand, five 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 31129643338981 cubic inches would be around 2621.5 feet tall.

Recreational maths with 31129643338981

• 31129643338981 backwards is 18983334692113
• The number of decimal digits it has is: 14
• The sum of 31129643338981's digits is 61
• More coming soon!