13612081

Names of 13612081

• Cardinal: 13612081 can be written as Thirteen million, six hundred twelve thousand and eighty-one.

Scientific notation

• Scientific notation: 1.3612081 × 10⁷

Factors of 13612081

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 1944590

Divisors of 13612081

• Number of divisors d(n): 4
• Complete list of divisors:
  1 7 1944583 13612081
• Sum of all divisors σ(n): 15556672
• Sum of proper divisors (its aliquot sum) s(n): 1944591
• 13612081 is a deficient number, because the sum of its proper divisors (1944591) is less than itself. Its deficiency is 11667490

Bases of 13612081

• Binary: 110011111011010000110001₂
• Hexadecimal: 0xCFB431
• Base-36: 83R5D

Squares and roots of 13612081

• 13612081 squared (13612081²) is 185288749150561
• 13612081 cubed (13612081³) is 2522165461826117527441
• The square root of 13612081 is 3689.4553798629
• The cube root of 13612081 is 238.7672962443

Scales and comparisons

• 13,612,081 seconds is equal to 22 weeks, 3 days, 13 hours, 8 minutes, 1 second.
• To count from 1 to 13,612,081 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 13612081 cubic inches would be around 19.9 feet tall.

Recreational maths with 13612081

• 13612081 backwards is 18021631
• The number of decimal digits it has is: 8
• The sum of 13612081's digits is 22
• More coming soon!