13221697408

Names of 13221697408

• Cardinal: 13221697408 can be written as Thirteen billion, two hundred twenty-one million, six hundred ninety-seven thousand, four hundred eight.

Scientific notation

• Scientific notation: 1.3221697408 × 10¹⁰

Factors of 13221697408

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 4515

Divisors of 13221697408

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 8 16 31 32 62 64 124 128 248 496 941 992 1882 1984 3541 3764 3968 7082 7528 14164 15056 28328 29171 30112 56656 58342 60224 109771 113312 116684 120448 219542 226624 233368 439084 453248 466736 878168 933472 1756336 1866944 3332081 3512672 3733888 6664162 7025344 13328324 14050688 26656648 53313296 103294511 106626592 206589022 213253184 413178044 426506368 826356088 1652712176 3305424352 6610848704 13221697408
• Sum of all divisors σ(n): 27226362240
• Sum of proper divisors (its aliquot sum) s(n): 14004664832
• 13221697408 is an abundant number, because the sum of its proper divisors (14004664832) is greater than itself. Its abundance is 782967424

Bases of 13221697408

• Binary: 1100010100000100110001011110000000₂
• Hexadecimal: 0x314131780
• Base-36: 62NUV0G

Squares and roots of 13221697408

• 13221697408 squared (13221697408²) is 174813282348713918464
• 13221697408 cubed (13221697408³) is 2311328322113962967888992141312
• The square root of 13221697408 is 114985.6400077853
• The cube root of 13221697408 is 2364.6256953137

Scales and comparisons

• 13,221,697,408 seconds is equal to 420 years, 21 weeks, 1 day, 21 hours, 43 minutes, 28 seconds.
• To count from 1 to 13,221,697,408 would take you about eight hundred forty 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 13221697408 cubic inches would be around 197.1 feet tall.

Recreational maths with 13221697408

• 13221697408 backwards is 80479612231
• The number of decimal digits it has is: 11
• The sum of 13221697408's digits is 43
• More coming soon!