13900819

Names of 13900819

• Cardinal: 13900819 can be written as Thirteen million, nine hundred thousand, eight hundred nineteen.

Scientific notation

• Scientific notation: 1.3900819 × 10⁷

Factors of 13900819

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 13900819

Divisors of 13900819

• Number of divisors d(n): 2
• Complete list of divisors:
  1 13900819
• Sum of all divisors σ(n): 13900820
• Sum of proper divisors (its aliquot sum) s(n): 1
• 13900819 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 13900818

Bases of 13900819

• Binary: 110101000001110000010011₂
• Hexadecimal: 0xD41C13
• Base-36: 89XXV

Squares and roots of 13900819

• 13900819 squared (13900819²) is 193232768870761
• 13900819 cubed (13900819³) is 2686093744941283053259
• The square root of 13900819 is 3728.3802112981
• The cube root of 13900819 is 240.4437334785

Scales and comparisons

• 13,900,819 seconds is equal to 22 weeks, 6 days, 21 hours, 20 minutes, 19 seconds.
• To count from 1 to 13,900,819 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 13900819 cubic inches would be around 20 feet tall.

Recreational maths with 13900819

• 13900819 backwards is 91800931
• The number of decimal digits it has is: 8
• The sum of 13900819's digits is 31
• More coming soon!