31890192125

Names of 31890192125

• Cardinal: 31890192125 can be written as Thirty-one billion, eight hundred ninety million, one hundred ninety-two thousand, one hundred twenty-five.

Scientific notation

• Scientific notation: 3.1890192125 × 10¹⁰

Factors of 31890192125

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 354

Divisors of 31890192125

• Number of divisors d(n): 128
• Complete list of divisors:
  1 5 11 25 31 43 55 125 127 137 155 215 275 341 473 635 685 775 1075 1333 1375 1397 1507 1705 2365 3175 3425 3875 3937 4247 5375 5461 5891 6665 6985 7535 8525 11825 14663 15875 17125 17399 19685 21235 27305 29455 33325 34925 37675 42625 43307 46717 59125 60071 64801 73315 86995 98425 106175 136525 147275 166625 169291 174625 182621 188375 191389 216535 233585 300355 324005 366575 434975 492125 530875 539369 682625 736375 748157 846455 913105 956945 1082675 1167925 1501775 1620025 1832875 1862201 2008831 2174875 2696845 3740785 4232275 4565525 4784725 5413375 5839625 5933059 7508875 8100125 8229727 9311005 10044155 13484225 18703925 21161375 22827625 23192867 23923625 29665295 41148635 46555025 50220775 67421125 93519625 115964335 148326475 205743175 232775125 251103875 255121537 579821675 741632375 1028715875 1275607685 2899108375 6378038425 31890192125
• Sum of all divisors σ(n): 46558347264
• Sum of proper divisors (its aliquot sum) s(n): 14668155139
• 31890192125 is a deficient number, because the sum of its proper divisors (14668155139) is less than itself. Its deficiency is 17222036986

Bases of 31890192125

• Binary: 11101101100110011011011011011111101₂
• Hexadecimal: 0x76CCDB6FD
• Base-36: ENELHQ5

Squares and roots of 31890192125

• 31890192125 squared (31890192125²) is 1016984353769412015625
• 31890192125 cubed (31890192125³) is 32431826429825517126564751953125
• The square root of 31890192125 is 178578.2521053445
• The cube root of 31890192125 is 3171.1665019025

Scales and comparisons

• 31,890,192,125 seconds is equal to 1,014 years, 3 days, 10 hours, 42 minutes, 5 seconds.
• To count from 1 to 31,890,192,125 would take you about two thousand and twenty-eight 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 31890192125 cubic inches would be around 264.3 feet tall.

Recreational maths with 31890192125

• 31890192125 backwards is 52129109813
• The number of decimal digits it has is: 11
• The sum of 31890192125's digits is 41
• More coming soon!