13129393

Names of 13129393

• Cardinal: 13129393 can be written as Thirteen million, one hundred twenty-nine thousand, three hundred ninety-three.

Scientific notation

• Scientific notation: 1.3129393 × 10⁷

Factors of 13129393

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 13129393

Divisors of 13129393

• Number of divisors d(n): 2
• Complete list of divisors:
  1 13129393
• Sum of all divisors σ(n): 13129394
• Sum of proper divisors (its aliquot sum) s(n): 1
• 13129393 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 13129392

Bases of 13129393

• Binary: 110010000101011010110001₂
• Hexadecimal: 0xC856B1
• Base-36: 7TEPD

Squares and roots of 13129393

• 13129393 squared (13129393²) is 172380960548449
• 13129393 cubed (13129393³) is 2263257376758082461457
• The square root of 13129393 is 3623.4504274241
• The cube root of 13129393 is 235.9110133243

Scales and comparisons

• 13,129,393 seconds is equal to 21 weeks, 4 days, 23 hours, 3 minutes, 13 seconds.
• To count from 1 to 13,129,393 would take you about thirty-two 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 13129393 cubic inches would be around 19.7 feet tall.

Recreational maths with 13129393

• 13129393 backwards is 39392131
• The number of decimal digits it has is: 8
• The sum of 13129393's digits is 31
• More coming soon!