13639971

Names of 13639971

• Cardinal: 13639971 can be written as Thirteen million, six hundred thirty-nine thousand, nine hundred seventy-one.

Scientific notation

• Scientific notation: 1.3639971 × 10⁷

Factors of 13639971

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 54865

Divisors of 13639971

• Number of divisors d(n): 8
• Complete list of divisors:
  1 3 83 249 54779 164337 4546657 13639971
• Sum of all divisors σ(n): 18406080
• Sum of proper divisors (its aliquot sum) s(n): 4766109
• 13639971 is a deficient number, because the sum of its proper divisors (4766109) is less than itself. Its deficiency is 8873862

Bases of 13639971

• Binary: 110100000010000100100011₂
• Hexadecimal: 0xD02123
• Base-36: 84CO3

Squares and roots of 13639971

• 13639971 squared (13639971²) is 186048808880841
• 13639971 cubed (13639971³) is 2537700357719213695611
• The square root of 13639971 is 3693.2331364267
• The cube root of 13639971 is 238.9302563139

Scales and comparisons

• 13,639,971 seconds is equal to 22 weeks, 3 days, 20 hours, 52 minutes, 51 seconds.
• To count from 1 to 13,639,971 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 13639971 cubic inches would be around 19.9 feet tall.

Recreational maths with 13639971

• 13639971 backwards is 17993631
• The number of decimal digits it has is: 8
• The sum of 13639971's digits is 39
• More coming soon!