31885813894221

Names of 31885813894221

• Cardinal: 31885813894221 can be written as Thirty-one trillion, eight hundred eighty-five billion, eight hundred thirteen million, eight hundred ninety-four thousand, two hundred twenty-one.

Scientific notation

• Scientific notation: 3.1885813894221 × 10¹³

Factors of 31885813894221

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 60068

Divisors of 31885813894221

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 7 9 21 61 63 67 183 201 427 469 549 603 1281 1407 2143 3843 4087 4221 6429 12261 15001 19287 28609 36783 45003 57787 85827 130723 135009 143581 173361 257481 392169 404509 430743 520083 915061 1005067 1176507 1213527 1292229 2745183 3015201 3525007 3640581 3871729 8235549 8758441 9045603 10575021 11615187 24675049 26275323 27102103 31725063 34845561 61309087 74025147 78825969 81306309 123837541 183927261 222075441 236175469 243918927 371512623 551781783 708526407 866862787 1114537869 1653228283 2125579221 2600588361 4959684849 7554090001 7801765083 8297115247 14879054547 22662270003 24891345741 52878630007 58079806729 67986810009 74674037223 158635890021 174239420187 475907670063 506124030067 522718260561 1518372090201 3542868210469 4555116270603 10628604631407 31885813894221
• Sum of all divisors σ(n): 54324581163008
• Sum of proper divisors (its aliquot sum) s(n): 22438767268787
• 31885813894221 is a deficient number, because the sum of its proper divisors (22438767268787) is less than itself. Its deficiency is 9447046625434

Bases of 31885813894221

• Binary: 111001111111111111110100111000100110001001101₂
• Hexadecimal: 0x1CFFFE9C4C4D
• Base-36: BAW52BPL9

Squares and roots of 31885813894221

• 31885813894221 squared (31885813894221²) is 1016705127696896972977196841
• 31885813894221 cubed (31885813894221³) is 32418470487043453554863859808958669355861
• The square root of 31885813894221 is 5646752.5086744327
• The cube root of 31885813894221 is 31710.2137123901

Scales and comparisons

• 31,885,813,894,221 seconds is equal to 1,013,870 years, 13 weeks, 22 hours, 10 minutes, 21 seconds.
• To count from 1 to 31,885,813,894,221 would take you about two million, five hundred thirty-four thousand, six hundred seventy-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 31885813894221 cubic inches would be around 2642.5 feet tall.

Recreational maths with 31885813894221

• 31885813894221 backwards is 12249831858813
• 31885813894221 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 31885813894221's digits is 63
• More coming soon!