138622565725

Names of 138622565725

• Cardinal: 138622565725 can be written as One hundred thirty-eight billion, six hundred twenty-two million, five hundred sixty-five thousand, seven hundred twenty-five.

Scientific notation

• Scientific notation: 1.38622565725 × 10¹¹

Factors of 138622565725

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 102569

Divisors of 138622565725

• Number of divisors d(n): 48
• Complete list of divisors:
  1 5 7 23 25 35 115 161 175 337 575 805 1685 2359 4025 7751 8425 11795 38755 54257 58975 102197 193775 271285 510985 715379 1356425 2350531 2554925 3576895 11752655 16453717 17884475 34440389 58763275 82268585 172201945 241082723 411342925 792128947 861009725 1205413615 3960644735 5544902629 6027068075 19803223675 27724513145 138622565725
• Sum of all divisors σ(n): 205599483648
• Sum of proper divisors (its aliquot sum) s(n): 66976917923
• 138622565725 is a deficient number, because the sum of its proper divisors (66976917923) is less than itself. Its deficiency is 71645647802

Bases of 138622565725

• Binary: 10000001000110100011000111110101011101₂
• Hexadecimal: 0x20468C7D5D
• Base-36: 1ROKAO9P

Squares and roots of 138622565725

• 138622565725 squared (138622565725²) is 19216215728181944775625
• 138622565725 cubed (138622565725³) is 2663801127765680374417396940453125
• The square root of 138622565725 is 372320.5147785977
• The cube root of 138622565725 is 5175.4086132891

Scales and comparisons

• 138,622,565,725 seconds is equal to 4,407 years, 39 weeks, 6 days, 20 hours, 15 minutes, 25 seconds.
• To count from 1 to 138,622,565,725 would take you about eight thousand, eight hundred fifteen 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 138622565725 cubic inches would be around 431.3 feet tall.

Recreational maths with 138622565725

• 138622565725 backwards is 527565226831
• The number of decimal digits it has is: 12
• The sum of 138622565725's digits is 52
• More coming soon!