13870985

Names of 13870985

• Cardinal: 13870985 can be written as Thirteen million, eight hundred seventy thousand, nine hundred eighty-five.

Scientific notation

• Scientific notation: 1.3870985 × 10⁷

Factors of 13870985

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 10587

Divisors of 13870985

• Number of divisors d(n): 8
• Complete list of divisors:
  1 5 269 1345 10313 51565 2774197 13870985
• Sum of all divisors σ(n): 16708680
• Sum of proper divisors (its aliquot sum) s(n): 2837695
• 13870985 is a deficient number, because the sum of its proper divisors (2837695) is less than itself. Its deficiency is 11033290

Bases of 13870985

• Binary: 110100111010011110001001₂
• Hexadecimal: 0xD3A789
• Base-36: 89AX5

Squares and roots of 13870985

• 13870985 squared (13870985²) is 192404224870225
• 13870985 cubed (13870985³) is 2668836117111517921625
• The square root of 13870985 is 3724.3771291317
• The cube root of 13870985 is 240.2715964665

Scales and comparisons

• 13,870,985 seconds is equal to 22 weeks, 6 days, 13 hours, 3 minutes, 5 seconds.
• To count from 1 to 13,870,985 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 13870985 cubic inches would be around 20 feet tall.

Recreational maths with 13870985

• 13870985 backwards is 58907831
• The number of decimal digits it has is: 8
• The sum of 13870985's digits is 41
• More coming soon!