13480681

Names of 13480681

• Cardinal: 13480681 can be written as Thirteen million, four hundred eighty thousand, six hundred eighty-one.

Scientific notation

• Scientific notation: 1.3480681 × 10⁷

Factors of 13480681

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 1511

Divisors of 13480681

• Number of divisors d(n): 8
• Complete list of divisors:
  1 47 233 1231 10951 57857 286823 13480681
• Sum of all divisors σ(n): 13837824
• Sum of proper divisors (its aliquot sum) s(n): 357143
• 13480681 is a deficient number, because the sum of its proper divisors (357143) is less than itself. Its deficiency is 13123538

Bases of 13480681

• Binary: 110011011011001011101001₂
• Hexadecimal: 0xCDB2E9
• Base-36: 80XRD

Squares and roots of 13480681

• 13480681 squared (13480681²) is 181728760223761
• 13480681 cubed (13480681³) is 2449827445102010661241
• The square root of 13480681 is 3671.6046900503
• The cube root of 13480681 is 237.9965220875

Scales and comparisons

• 13,480,681 seconds is equal to 22 weeks, 2 days, 38 minutes, 1 second.
• To count from 1 to 13,480,681 would take you about thirty-three 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 13480681 cubic inches would be around 19.8 feet tall.

Recreational maths with 13480681

• 13480681 backwards is 18608431
• The number of decimal digits it has is: 8
• The sum of 13480681's digits is 31
• More coming soon!