13878997

Names of 13878997

• Cardinal: 13878997 can be written as Thirteen million, eight hundred seventy-eight thousand, nine hundred ninety-seven.

Scientific notation

• Scientific notation: 1.3878997 × 10⁷

Factors of 13878997

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 4379

Divisors of 13878997

• Number of divisors d(n): 8
• Complete list of divisors:
  1 11 311 3421 4057 44627 1261727 13878997
• Sum of all divisors σ(n): 15193152
• Sum of proper divisors (its aliquot sum) s(n): 1314155
• 13878997 is a deficient number, because the sum of its proper divisors (1314155) is less than itself. Its deficiency is 12564842

Bases of 13878997

• Binary: 110100111100011011010101₂
• Hexadecimal: 0xD3C6D5
• Base-36: 89H3P

Squares and roots of 13878997

• 13878997 squared (13878997²) is 192626557726009
• 13878997 cubed (13878997³) is 2673463416799605732973
• The square root of 13878997 is 3725.4525899547
• The cube root of 13878997 is 240.3178485413

Scales and comparisons

• 13,878,997 seconds is equal to 22 weeks, 6 days, 15 hours, 16 minutes, 37 seconds.
• To count from 1 to 13,878,997 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 13878997 cubic inches would be around 20 feet tall.

Recreational maths with 13878997

• 13878997 backwards is 79987831
• The number of decimal digits it has is: 8
• The sum of 13878997's digits is 52
• More coming soon!