13889886

Names of 13889886

• Cardinal: 13889886 can be written as Thirteen million, eight hundred eighty-nine thousand, eight hundred eighty-six.

Scientific notation

• Scientific notation: 1.3889886 × 10⁷

Factors of 13889886

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 15487

Divisors of 13889886

• Number of divisors d(n): 16
• Complete list of divisors:
  1 2 3 6 151 302 453 906 15331 30662 45993 91986 2314981 4629962 6944943 13889886
• Sum of all divisors σ(n): 27965568
• Sum of proper divisors (its aliquot sum) s(n): 14075682
• 13889886 is an abundant number, because the sum of its proper divisors (14075682) is greater than itself. Its abundance is 185796

Bases of 13889886

• Binary: 110100111111000101011110₂
• Hexadecimal: 0xD3F15E
• Base-36: 89PI6

Squares and roots of 13889886

• 13889886 squared (13889886²) is 192928933092996
• 13889886 cubed (13889886³) is 2679760886763341838456
• The square root of 13889886 is 3726.9137365923
• The cube root of 13889886 is 240.3806805793

Scales and comparisons

• 13,889,886 seconds is equal to 22 weeks, 6 days, 18 hours, 18 minutes, 6 seconds.
• To count from 1 to 13,889,886 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 13889886 cubic inches would be around 20 feet tall.

Recreational maths with 13889886

• 13889886 backwards is 68898831
• The number of decimal digits it has is: 8
• The sum of 13889886's digits is 51
• More coming soon!