13687742

Names of 13687742

• Cardinal: 13687742 can be written as Thirteen million, six hundred eighty-seven thousand, seven hundred forty-two.

Scientific notation

• Scientific notation: 1.3687742 × 10⁷

Factors of 13687742

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 5674

Divisors of 13687742

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 1741 3482 3931 7862 6843871 13687742
• Sum of all divisors σ(n): 20548632
• Sum of proper divisors (its aliquot sum) s(n): 6860890
• 13687742 is a deficient number, because the sum of its proper divisors (6860890) is less than itself. Its deficiency is 6826852

Bases of 13687742

• Binary: 110100001101101110111110₂
• Hexadecimal: 0xD0DBBE
• Base-36: 85DJ2

Squares and roots of 13687742

• 13687742 squared (13687742²) is 187354281058564
• 13687742 cubed (13687742³) is 2564457061725110922488
• The square root of 13687742 is 3699.6948522817
• The cube root of 13687742 is 239.2088648781

Scales and comparisons

• 13,687,742 seconds is equal to 22 weeks, 4 days, 10 hours, 9 minutes, 2 seconds.
• To count from 1 to 13,687,742 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 13687742 cubic inches would be around 19.9 feet tall.

Recreational maths with 13687742

• 13687742 backwards is 24778631
• The number of decimal digits it has is: 8
• The sum of 13687742's digits is 38
• More coming soon!