13921906

Names of 13921906

• Cardinal: 13921906 can be written as Thirteen million, nine hundred twenty-one thousand, nine hundred six.

Scientific notation

• Scientific notation: 1.3921906 × 10⁷

Factors of 13921906

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 6960955

Divisors of 13921906

• Number of divisors d(n): 4
• Complete list of divisors:
  1 2 6960953 13921906
• Sum of all divisors σ(n): 20882862
• Sum of proper divisors (its aliquot sum) s(n): 6960956
• 13921906 is a deficient number, because the sum of its proper divisors (6960956) is less than itself. Its deficiency is 6960950

Bases of 13921906

• Binary: 110101000110111001110010₂
• Hexadecimal: 0xD46E72
• Base-36: 8AE7M

Squares and roots of 13921906

• 13921906 squared (13921906²) is 193819466672836
• 13921906 cubed (13921906³) is 2698336395989355545416
• The square root of 13921906 is 3731.2070433039
• The cube root of 13921906 is 240.5652533059

Scales and comparisons

• 13,921,906 seconds is equal to 23 weeks, 3 hours, 11 minutes, 46 seconds.
• To count from 1 to 13,921,906 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 13921906 cubic inches would be around 20 feet tall.

Recreational maths with 13921906

• 13921906 backwards is 60912931
• The number of decimal digits it has is: 8
• The sum of 13921906's digits is 31
• More coming soon!