138318890204

Names of 138318890204

• Cardinal: 138318890204 can be written as One hundred thirty-eight billion, three hundred eighteen million, eight hundred ninety thousand, two hundred four.

Scientific notation

• Scientific notation: 1.38318890204 × 10¹¹

Factors of 138318890204

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 43946

Divisors of 138318890204

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 11 22 31 44 62 121 124 211 242 341 422 484 682 844 1364 2321 3751 4642 6541 7502 9284 13082 15004 25531 26164 43691 51062 71951 87382 102124 143902 174764 287804 480601 791461 961202 1354421 1582922 1922404 2708842 3165844 5286611 5417684 9218801 10573222 14898631 18437602 21146444 29797262 36875204 59594524 101406811 163884941 202813622 285782831 327769882 405627244 571565662 655539764 1115474921 1143131324 2230949842 3143611141 4461899684 6287222282 12574444564 34579722551 69159445102 138318890204
• Sum of all divisors σ(n): 275954477568
• Sum of proper divisors (its aliquot sum) s(n): 137635587364
• 138318890204 is a deficient number, because the sum of its proper divisors (137635587364) is less than itself. Its deficiency is 683302840

Bases of 138318890204

• Binary: 10000000110100011100101100010011011100₂
• Hexadecimal: 0x203472C4DC
• Base-36: 1RJJHUQK

Squares and roots of 138318890204

• 138318890204 squared (138318890204²) is 19132115387266207161616
• 138318890204 cubed (138318890204³) is 2646332967621533448107081987209664
• The square root of 138318890204 is 371912.4765371551
• The cube root of 138318890204 is 5171.6266557933

Scales and comparisons

• 138,318,890,204 seconds is equal to 4,398 years, 5 weeks, 6 days, 1 hour, 56 minutes, 44 seconds.
• To count from 1 to 138,318,890,204 would take you about eight thousand, seven hundred ninety-six 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 138318890204 cubic inches would be around 431 feet tall.

Recreational maths with 138318890204

• 138318890204 backwards is 402098813831
• The number of decimal digits it has is: 12
• The sum of 138318890204's digits is 47
• More coming soon!