138960938675

Names of 138960938675

• Cardinal: 138960938675 can be written as One hundred thirty-eight billion, nine hundred sixty million, nine hundred thirty-eight thousand, six hundred seventy-five.

Scientific notation

• Scientific notation: 1.38960938675 × 10¹¹

Factors of 138960938675

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 17503

Divisors of 138960938675

• Number of divisors d(n): 72
• Complete list of divisors:
  1 5 13 25 31 61 65 155 169 305 325 403 775 793 845 1525 1891 2015 3965 4225 5239 9455 10075 10309 17393 19825 24583 26195 47275 51545 86965 122915 130975 226109 257725 319579 434825 539183 614575 1060973 1130545 1597895 2695915 2939417 5304865 5652725 7009379 7989475 13479575 13792649 14697085 26524325 32890163 35046895 68963245 73485425 91121927 164450815 175234475 179304437 344816225 427572119 455609635 822254075 896522185 2137860595 2278048175 4482610925 5558437547 10689302975 27792187735 138960938675
• Sum of all divisors σ(n): 195773505408
• Sum of proper divisors (its aliquot sum) s(n): 56812566733
• 138960938675 is a deficient number, because the sum of its proper divisors (56812566733) is less than itself. Its deficiency is 82148371942

Bases of 138960938675

• Binary: 10000001011010101101111010011010110011₂
• Hexadecimal: 0x205AB7A6B3
• Base-36: 1RU5R6IB

Squares and roots of 138960938675

• 138960938675 squared (138960938675²) is 19310142477437110755625
• 138960938675 cubed (138960938675³) is 2683355524612650918881588536296875
• The square root of 138960938675 is 372774.6486484831
• The cube root of 138960938675 is 5179.6161902011

Scales and comparisons

• 138,960,938,675 seconds is equal to 4,418 years, 27 weeks, 3 days, 4 hours, 44 minutes, 35 seconds.
• To count from 1 to 138,960,938,675 would take you about eight thousand, eight hundred thirty-seven 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 138960938675 cubic inches would be around 431.6 feet tall.

Recreational maths with 138960938675

• 138960938675 backwards is 576839069831
• 138960938675 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138960938675's digits is 65
• More coming soon!