138526469816

Names of 138526469816

• Cardinal: 138526469816 can be written as One hundred thirty-eight billion, five hundred twenty-six million, four hundred sixty-nine thousand, eight hundred sixteen.

Scientific notation

• Scientific notation: 1.38526469816 × 10¹¹

Factors of 138526469816

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 255920

Divisors of 138526469816

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 7 8 14 23 28 46 56 92 161 184 322 421 644 842 1288 1684 2947 3368 5894 9683 11788 19366 23576 38732 67781 77464 135562 255467 271124 510934 542248 1021868 1788269 2043736 3576538 5875741 7153076 11751482 14306152 23502964 41130187 47005928 82260374 107551607 164520748 215103214 329041496 430206428 752861249 860412856 1505722498 2473686961 3011444996 4947373922 6022889992 9894747844 17315808727 19789495688 34631617454 69263234908 138526469816
• Sum of all divisors σ(n): 310485588480
• Sum of proper divisors (its aliquot sum) s(n): 171959118664
• 138526469816 is an abundant number, because the sum of its proper divisors (171959118664) is greater than itself. Its abundance is 33432648848

Bases of 138526469816

• Binary: 10000001000000110100100010111010111000₂
• Hexadecimal: 0x2040D22EB8
• Base-36: 1RMZ306W

Squares and roots of 138526469816

• 138526469816 squared (138526469816²) is 19189582839683159073856
• 138526469816 cubed (138526469816³) is 2658265168023000702448039698730496
• The square root of 138526469816 is 372191.4424271467
• The cube root of 138526469816 is 5174.2124382465

Scales and comparisons

• 138,526,469,816 seconds is equal to 4,404 years, 37 weeks, 14 hours, 56 minutes, 56 seconds.
• To count from 1 to 138,526,469,816 would take you about eight thousand, eight hundred nine 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 138526469816 cubic inches would be around 431.2 feet tall.

Recreational maths with 138526469816

• 138526469816 backwards is 618964625831
• The number of decimal digits it has is: 12
• The sum of 138526469816's digits is 59
• More coming soon!