138659232808

Names of 138659232808

• Cardinal: 138659232808 can be written as One hundred thirty-eight billion, six hundred fifty-nine million, two hundred thirty-two thousand, eight hundred eight.

Scientific notation

• Scientific notation: 1.38659232808 × 10¹¹

Factors of 138659232808

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 643

Divisors of 138659232808

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 8 23 46 92 184 269 349 529 538 698 1058 1076 1396 2116 2152 2792 4232 6187 8027 12374 16054 24748 32108 49496 64216 93881 121801 142301 184621 187762 243602 284602 369242 375524 487204 569204 738484 751048 974408 1138408 1476968 2159263 2801423 4318526 5602846 8637052 11205692 17274104 22411384 32764469 49663049 64432729 65528938 99326098 128865458 131057876 198652196 257730916 262115752 397304392 515461832 753582787 1507165574 3014331148 6028662296 17332404101 34664808202 69329616404 138659232808
• Sum of all divisors σ(n): 273575487150
• Sum of proper divisors (its aliquot sum) s(n): 134916254342
• 138659232808 is a deficient number, because the sum of its proper divisors (134916254342) is less than itself. Its deficiency is 3742978466

Bases of 138659232808

• Binary: 10000001001000101110111111110000101000₂
• Hexadecimal: 0x2048BBFC28
• Base-36: 1RP64KRS

Squares and roots of 138659232808

• 138659232808 squared (138659232808²) is 19226382842903143564864
• 138659232808 cubed (138659232808³) is 2665915494669843874155524424858112
• The square root of 138659232808 is 372369.7528102947
• The cube root of 138659232808 is 5175.8648891893

Scales and comparisons

• 138,659,232,808 seconds is equal to 4,408 years, 48 weeks, 4 days, 5 hours, 33 minutes, 28 seconds.
• To count from 1 to 138,659,232,808 would take you about eight thousand, eight hundred seventeen 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 138659232808 cubic inches would be around 431.3 feet tall.

Recreational maths with 138659232808

• 138659232808 backwards is 808232956831
• The number of decimal digits it has is: 12
• The sum of 138659232808's digits is 55
• More coming soon!