13981863

Names of 13981863

• Cardinal: 13981863 can be written as Thirteen million, nine hundred eighty-one thousand, eight hundred sixty-three.

Scientific notation

• Scientific notation: 1.3981863 × 10⁷

Factors of 13981863

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 665813

Divisors of 13981863

• Number of divisors d(n): 8
• Complete list of divisors:
  1 3 7 21 665803 1997409 4660621 13981863
• Sum of all divisors σ(n): 21305728
• Sum of proper divisors (its aliquot sum) s(n): 7323865
• 13981863 is a deficient number, because the sum of its proper divisors (7323865) is less than itself. Its deficiency is 6657998

Bases of 13981863

• Binary: 110101010101100010100111₂
• Hexadecimal: 0xD558A7
• Base-36: 8BOH3

Squares and roots of 13981863

• 13981863 squared (13981863²) is 195492492950769
• 13981863 cubed (13981863³) is 2733349253966117902647
• The square root of 13981863 is 3739.2329427301
• The cube root of 13981863 is 240.9101034641

Scales and comparisons

• 13,981,863 seconds is equal to 23 weeks, 19 hours, 51 minutes, 3 seconds.
• To count from 1 to 13,981,863 would take you about thirty-four 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 13981863 cubic inches would be around 20.1 feet tall.

Recreational maths with 13981863

• 13981863 backwards is 36818931
• The number of decimal digits it has is: 8
• The sum of 13981863's digits is 39
• More coming soon!