13639742

Names of 13639742

• Cardinal: 13639742 can be written as Thirteen million, six hundred thirty-nine thousand, seven hundred forty-two.

Scientific notation

• Scientific notation: 1.3639742 × 10⁷

Factors of 13639742

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 10330

Divisors of 13639742

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 709 1418 9619 19238 6819871 13639742
• Sum of all divisors σ(n): 20490600
• Sum of proper divisors (its aliquot sum) s(n): 6850858
• 13639742 is a deficient number, because the sum of its proper divisors (6850858) is less than itself. Its deficiency is 6788884

Bases of 13639742

• Binary: 110100000010000000111110₂
• Hexadecimal: 0xD0203E
• Base-36: 84CHQ

Squares and roots of 13639742

• 13639742 squared (13639742²) is 186042561826564
• 13639742 cubed (13639742³) is 2537572544333381706488
• The square root of 13639742 is 3693.2021336505
• The cube root of 13639742 is 238.9289191817

Scales and comparisons

• 13,639,742 seconds is equal to 22 weeks, 3 days, 20 hours, 49 minutes, 2 seconds.
• To count from 1 to 13,639,742 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 13639742 cubic inches would be around 19.9 feet tall.

Recreational maths with 13639742

• 13639742 backwards is 24793631
• The number of decimal digits it has is: 8
• The sum of 13639742's digits is 35
• More coming soon!