13857005

Names of 13857005

• Cardinal: 13857005 can be written as Thirteen million, eight hundred fifty-seven thousand and five.

Scientific notation

• Scientific notation: 1.3857005 × 10⁷

Factors of 13857005

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 2771406

Divisors of 13857005

• Number of divisors d(n): 4
• Complete list of divisors:
  1 5 2771401 13857005
• Sum of all divisors σ(n): 16628412
• Sum of proper divisors (its aliquot sum) s(n): 2771407
• 13857005 is a deficient number, because the sum of its proper divisors (2771407) is less than itself. Its deficiency is 11085598

Bases of 13857005

• Binary: 110100110111000011101101₂
• Hexadecimal: 0xD370ED
• Base-36: 8904T

Squares and roots of 13857005

• 13857005 squared (13857005²) is 192016587570025
• 13857005 cubed (13857005³) is 2660774814040774275125
• The square root of 13857005 is 3722.4998321021
• The cube root of 13857005 is 240.1908493527

Scales and comparisons

• 13,857,005 seconds is equal to 22 weeks, 6 days, 9 hours, 10 minutes, 5 seconds.
• To count from 1 to 13,857,005 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 13857005 cubic inches would be around 20 feet tall.

Recreational maths with 13857005

• 13857005 backwards is 50075831
• The number of decimal digits it has is: 8
• The sum of 13857005's digits is 29
• More coming soon!