13437669987

Names of 13437669987

• Cardinal: 13437669987 can be written as Thirteen billion, four hundred thirty-seven million, six hundred sixty-nine thousand, nine hundred eighty-seven.

Scientific notation

• Scientific notation: 1.3437669987 × 10¹⁰

Factors of 13437669987

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 3197

Divisors of 13437669987

• Number of divisors d(n): 36
• Complete list of divisors:
  1 3 7 9 21 27 49 63 147 189 441 1323 3187 9561 22309 28683 66927 86049 156163 200781 468489 602343 1405467 4216401 10156969 30470907 71098783 91412721 213296349 274238163 497691481 639889047 1493074443 1919667141 4479223329 13437669987
• Sum of all divisors σ(n): 23165157960
• Sum of proper divisors (its aliquot sum) s(n): 9727487973
• 13437669987 is a deficient number, because the sum of its proper divisors (9727487973) is less than itself. Its deficiency is 3710182014

Bases of 13437669987

• Binary: 1100100000111100101001001001100011₂
• Hexadecimal: 0x320F29263
• Base-36: 668FWIR

Squares and roots of 13437669987

• 13437669987 squared (13437669987²) is 180570974679520580169
• 13437669987 cubed (13437669987³) is 2426453166974330643685798687803
• The square root of 13437669987 is 115920.9643981623
• The cube root of 13437669987 is 2377.4313781703

Scales and comparisons

• 13,437,669,987 seconds is equal to 427 years, 14 weeks, 2 days, 14 hours, 6 minutes, 27 seconds.
• To count from 1 to 13,437,669,987 would take you about eight hundred fifty-four years!

  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 13437669987 cubic inches would be around 198.1 feet tall.

Recreational maths with 13437669987

• 13437669987 backwards is 78996673431
• 13437669987 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 13437669987's digits is 63
• More coming soon!