31438676906

Names of 31438676906

• Cardinal: 31438676906 can be written as Thirty-one billion, four hundred thirty-eight million, six hundred seventy-six thousand, nine hundred six.

Scientific notation

• Scientific notation: 3.1438676906 × 10¹⁰

Factors of 31438676906

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 3654

Divisors of 31438676906

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 7 13 14 26 61 91 122 169 182 338 427 793 854 1183 1586 2366 3571 3721 5551 7142 7442 10309 11102 20618 24997 26047 46423 48373 49994 52094 72163 92846 96746 144326 217831 324961 338611 435662 603499 628849 649922 677222 1206998 1257698 1524817 2831803 3049634 4224493 4401943 5663606 8448986 8803886 13287691 19822621 26575382 36813439 39645242 73626878 93013837 172739983 186027674 257694073 345479966 515388146 1209179881 2245619779 2418359762 4491239558 15719338453 31438676906
• Sum of all divisors σ(n): 59348551392
• Sum of proper divisors (its aliquot sum) s(n): 27909874486
• 31438676906 is a deficient number, because the sum of its proper divisors (27909874486) is less than itself. Its deficiency is 3528802420

Bases of 31438676906

• Binary: 11101010001111001000010001110101010₂
• Hexadecimal: 0x751E423AA
• Base-36: EFXRYCQ

Squares and roots of 31438676906

• 31438676906 squared (31438676906²) is 988390405599857732836
• 31438676906 cubed (31438676906³) is 31073686618644220382196671085416
• The square root of 31438676906 is 177309.5510851009
• The cube root of 31438676906 is 3156.1290562989

Scales and comparisons

• 31,438,676,906 seconds is equal to 999 years, 33 weeks, 6 days, 13 hours, 48 minutes, 26 seconds.
• To count from 1 to 31,438,676,906 would take you about one thousand, nine hundred ninety-nine 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 31438676906 cubic inches would be around 263 feet tall.

Recreational maths with 31438676906

• 31438676906 backwards is 60967683413
• The number of decimal digits it has is: 11
• The sum of 31438676906's digits is 53
• More coming soon!