13886909

Names of 13886909

• Cardinal: 13886909 can be written as Thirteen million, eight hundred eighty-six thousand, nine hundred nine.

Scientific notation

• Scientific notation: 1.3886909 × 10⁷

Factors of 13886909

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 7359

Divisors of 13886909

• Number of divisors d(n): 8
• Complete list of divisors:
  1 17 113 1921 7229 122893 816877 13886909
• Sum of all divisors σ(n): 14835960
• Sum of proper divisors (its aliquot sum) s(n): 949051
• 13886909 is a deficient number, because the sum of its proper divisors (949051) is less than itself. Its deficiency is 12937858

Bases of 13886909

• Binary: 110100111110010110111101₂
• Hexadecimal: 0xD3E5BD
• Base-36: 89N7H

Squares and roots of 13886909

• 13886909 squared (13886909²) is 192846241574281
• 13886909 cubed (13886909³) is 2678038207734056987429
• The square root of 13886909 is 3726.5143230639
• The cube root of 13886909 is 240.3635058663

Scales and comparisons

• 13,886,909 seconds is equal to 22 weeks, 6 days, 17 hours, 28 minutes, 29 seconds.
• To count from 1 to 13,886,909 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 13886909 cubic inches would be around 20 feet tall.

Recreational maths with 13886909

• 13886909 backwards is 90968831
• The number of decimal digits it has is: 8
• The sum of 13886909's digits is 44
• More coming soon!