13909999

Names of 13909999

• Cardinal: 13909999 can be written as Thirteen million, nine hundred nine thousand, nine hundred ninety-nine.

Scientific notation

• Scientific notation: 1.3909999 × 10⁷

Factors of 13909999

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 13909999

Divisors of 13909999

• Number of divisors d(n): 2
• Complete list of divisors:
  1 13909999
• Sum of all divisors σ(n): 13910000
• Sum of proper divisors (its aliquot sum) s(n): 1
• 13909999 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 13909998

Bases of 13909999

• Binary: 110101000011111111101111₂
• Hexadecimal: 0xD43FEF
• Base-36: 8A50V

Squares and roots of 13909999

• 13909999 squared (13909999²) is 193488072180001
• 13909999 cubed (13909999³) is 2691418890535741729999
• The square root of 13909999 is 3729.6111057321
• The cube root of 13909999 is 240.4966509303

Scales and comparisons

• 13,909,999 seconds is equal to 22 weeks, 6 days, 23 hours, 53 minutes, 19 seconds.
• To count from 1 to 13,909,999 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 13909999 cubic inches would be around 20 feet tall.

Recreational maths with 13909999

• 13909999 backwards is 99990931
• The number of decimal digits it has is: 8
• The sum of 13909999's digits is 49
• More coming soon!