13487843928

Names of 13487843928

• Cardinal: 13487843928 can be written as Thirteen billion, four hundred eighty-seven million, eight hundred forty-three thousand, nine hundred twenty-eight.

Scientific notation

• Scientific notation: 1.3487843928 × 10¹⁰

Factors of 13487843928

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 2542992

Divisors of 13487843928

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 4 6 8 12 13 17 24 26 34 39 51 52 68 78 102 104 136 156 204 221 312 408 442 663 884 1326 1768 2652 5304 2542957 5085914 7628871 10171828 15257742 20343656 30515484 33058441 43230269 61030968 66116882 86460538 99175323 129690807 132233764 172921076 198350646 259381614 264467528 345842152 396701292 518763228 561993497 793402584 1037526456 1123986994 1685980491 2247973988 3371960982 4495947976 6743921964 13487843928
• Sum of all divisors σ(n): 38449524960
• Sum of proper divisors (its aliquot sum) s(n): 24961681032
• 13487843928 is an abundant number, because the sum of its proper divisors (24961681032) is greater than itself. Its abundance is 11473837104

Bases of 13487843928

• Binary: 1100100011111100000010101001011000₂
• Hexadecimal: 0x323F02A58
• Base-36: 672BAZC

Squares and roots of 13487843928

• 13487843928 squared (13487843928²) is 181921933826086469184
• 13487843928 cubed (13487843928³) is 2453734650526198191386373514752
• The square root of 13487843928 is 116137.1772000681
• The cube root of 13487843928 is 2380.3866758693

Scales and comparisons

• 13,487,843,928 seconds is equal to 428 years, 45 weeks, 2 days, 7 hours, 18 minutes, 48 seconds.
• To count from 1 to 13,487,843,928 would take you about eight hundred fifty-seven 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 13487843928 cubic inches would be around 198.4 feet tall.

Recreational maths with 13487843928

• 13487843928 backwards is 82934878431
• The number of decimal digits it has is: 11
• The sum of 13487843928's digits is 57
• More coming soon!