13639121

Names of 13639121

• Cardinal: 13639121 can be written as Thirteen million, six hundred thirty-nine thousand, one hundred twenty-one.

Scientific notation

• Scientific notation: 1.3639121 × 10⁷

Factors of 13639121

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 58770

Divisors of 13639121

• Number of divisors d(n): 4
• Complete list of divisors:
  1 233 58537 13639121
• Sum of all divisors σ(n): 13697892
• Sum of proper divisors (its aliquot sum) s(n): 58771
• 13639121 is a deficient number, because the sum of its proper divisors (58771) is less than itself. Its deficiency is 13580350

Bases of 13639121

• Binary: 110100000001110111010001₂
• Hexadecimal: 0xD01DD1
• Base-36: 84C0H

Squares and roots of 13639121

• 13639121 squared (13639121²) is 186025621652641
• 13639121 cubed (13639121³) is 2537225962820590568561
• The square root of 13639121 is 3693.1180593097
• The cube root of 13639121 is 238.9252930839

Scales and comparisons

• 13,639,121 seconds is equal to 22 weeks, 3 days, 20 hours, 38 minutes, 41 seconds.
• To count from 1 to 13,639,121 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 13639121 cubic inches would be around 19.9 feet tall.

Recreational maths with 13639121

• 13639121 backwards is 12193631
• The number of decimal digits it has is: 8
• The sum of 13639121's digits is 26
• More coming soon!