31394256388938

Names of 31394256388938

• Cardinal: 31394256388938 can be written as Thirty-one trillion, three hundred ninety-four billion, two hundred fifty-six million, three hundred eighty-eight thousand, nine hundred thirty-eight.

Scientific notation

• Scientific notation: 3.1394256388938 × 10¹³

Factors of 31394256388938

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 199056

Divisors of 31394256388938

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 6 9 18 1877 3754 4831 5631 9662 11262 14493 16893 28986 33786 43479 86958 192343 384686 577029 1154058 1731087 3462174 9067787 18135574 27203361 54406722 81610083 163220166 361027811 722055622 929209033 1083083433 1858418066 2166166866 2787627099 3249250299 5575254198 6498500598 8362881297 16725762594 1744125354941 3488250709882 5232376064823 10464752129646 15697128194469 31394256388938
• Sum of all divisors σ(n): 68071569486336
• Sum of proper divisors (its aliquot sum) s(n): 36677313097398
• 31394256388938 is an abundant number, because the sum of its proper divisors (36677313097398) is greater than itself. Its abundance is 5283056708460

Bases of 31394256388938

• Binary: 111001000110110001011100000000000001101001010₂
• Hexadecimal: 0x1C8D8B80034A
• Base-36: B4MBLOF2I

Squares and roots of 31394256388938

• 31394256388938 squared (31394256388938²) is 985599334214374431528767844
• 31394256388938 cubed (31394256388938³) is 30942158195092663633938971709039971709672
• The square root of 31394256388938 is 5603057.7713368261
• The cube root of 31394256388938 is 31546.4189696173

Scales and comparisons

• 31,394,256,388,938 seconds is equal to 998,240 years, 12 weeks, 4 days, 22 hours, 42 minutes, 18 seconds.
• To count from 1 to 31,394,256,388,938 would take you about two million, four hundred ninety-five thousand, six hundred 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 31394256388938 cubic inches would be around 2628.9 feet tall.

Recreational maths with 31394256388938

• 31394256388938 backwards is 83988365249313
• The number of decimal digits it has is: 14
• The sum of 31394256388938's digits is 72
• More coming soon!