138747513657231746

Names of 138747513657231746

• Cardinal: 138747513657231746 can be written as One hundred thirty-eight quadrillion, seven hundred forty-seven trillion, five hundred thirteen billion, six hundred fifty-seven million, two hundred thirty-one thousand, seven hundred forty-six.

Scientific notation

• Scientific notation: 1.38747513657231746 × 10¹⁷

Factors of 138747513657231746

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 8019914

Divisors of 138747513657231746

• Number of divisors d(n): 32
• Complete list of divisors:
  1 2 571 809 1142 1618 18773 37546 461939 923878 7999759 10719383 15187357 15999518 21438766 30374714 4567862389 6471805031 8671980847 9135724778 12943610062 17343961694 150179475707 300358951414 3695400672701 7390801345402 85752480628697 121495195846963 171504961257394 242990391693926 69373756828615873 138747513657231746
• Sum of all divisors σ(n): 208754609493830400
• Sum of proper divisors (its aliquot sum) s(n): 70007095836598654
• 138747513657231746 is a deficient number, because the sum of its proper divisors (70007095836598654) is less than itself. Its deficiency is 68740417820633092

Bases of 138747513657231746

• Binary: 111101100111011100010000011101001000000100000100110000010₂
• Hexadecimal: 0x1ECEE20E9020982
• Base-36: 11Y5VZU4VEYQ

Squares and roots of 138747513657231746

• 138747513657231746 squared (138747513657231746²) is 19250872546063709876248963950208516
• 138747513657231746 cubed (138747513657231746³) is 2671010701498602260355998986122637934107308034748936
• The square root of 138747513657231746 is 372488273.1808234335
• The cube root of 138747513657231746 is 517696.3103858133

Scales and comparisons

• 138,747,513,657,231,746 seconds is equal to 4,411,741,760 years, 3 weeks, 1 day, 9 hours, 42 minutes, 26 seconds.
• To count from 1 to 138,747,513,657,231,746 would take you about thirteen billion, two hundred thirty-five million, two hundred twenty-five thousand, two hundred eighty 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 138747513657231746 cubic inches would be around 43141.4 feet tall.

Recreational maths with 138747513657231746

• 138747513657231746 backwards is 647132756315747831
• The number of decimal digits it has is: 18
• The sum of 138747513657231746's digits is 80
• More coming soon!