13891108

Names of 13891108

• Cardinal: 13891108 can be written as Thirteen million, eight hundred ninety-one thousand, one hundred eight.

Scientific notation

• Scientific notation: 1.3891108 × 10⁷

Factors of 13891108

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 416

Divisors of 13891108

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 7 11 14 17 22 28 34 44 49 68 77 98 119 154 187 196 238 308 374 379 476 539 748 758 833 1078 1309 1516 1666 2156 2618 2653 3332 4169 5236 5306 6443 8338 9163 10612 12886 16676 18326 18571 25772 29183 36652 37142 45101 58366 70873 74284 90202 116732 141746 180404 204281 283492 315707 408562 496111 631414 817124 992222 1262828 1984444 3472777 6945554 13891108
• Sum of all divisors σ(n): 32749920
• Sum of proper divisors (its aliquot sum) s(n): 18858812
• 13891108 is an abundant number, because the sum of its proper divisors (18858812) is greater than itself. Its abundance is 4967704

Bases of 13891108

• Binary: 110100111111011000100100₂
• Hexadecimal: 0xD3F624
• Base-36: 89QG4

Squares and roots of 13891108

• 13891108 squared (13891108²) is 192962881467664
• 13891108 cubed (13891108³) is 2680468226458519131712
• The square root of 13891108 is 3727.0776756059
• The cube root of 13891108 is 240.3877297509

Scales and comparisons

• 13,891,108 seconds is equal to 22 weeks, 6 days, 18 hours, 38 minutes, 28 seconds.
• To count from 1 to 13,891,108 would take you about thirty-four weeks!

  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 13891108 cubic inches would be around 20 feet tall.

Recreational maths with 13891108

• 13891108 backwards is 80119831
• The number of decimal digits it has is: 8
• The sum of 13891108's digits is 31
• More coming soon!