13995681

Names of 13995681

• Cardinal: 13995681 can be written as Thirteen million, nine hundred ninety-five thousand, six hundred eighty-one.

Scientific notation

• Scientific notation: 1.3995681 × 10⁷

Factors of 13995681

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 666471

Divisors of 13995681

• Number of divisors d(n): 8
• Complete list of divisors:
  1 3 7 21 666461 1999383 4665227 13995681
• Sum of all divisors σ(n): 21326784
• Sum of proper divisors (its aliquot sum) s(n): 7331103
• 13995681 is a deficient number, because the sum of its proper divisors (7331103) is less than itself. Its deficiency is 6664578

Bases of 13995681

• Binary: 110101011000111010100001₂
• Hexadecimal: 0xD58EA1
• Base-36: 8BZ4X

Squares and roots of 13995681

• 13995681 squared (13995681²) is 195879086653761
• 13995681 cubed (13995681³) is 2741461211377396406241
• The square root of 13995681 is 3741.0801916025
• The cube root of 13995681 is 240.9894395721

Scales and comparisons

• 13,995,681 seconds is equal to 23 weeks, 23 hours, 41 minutes, 21 seconds.
• To count from 1 to 13,995,681 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 13995681 cubic inches would be around 20.1 feet tall.

Recreational maths with 13995681

• 13995681 backwards is 18659931
• The number of decimal digits it has is: 8
• The sum of 13995681's digits is 42
• More coming soon!