13965215121

Names of 13965215121

• Cardinal: 13965215121 can be written as Thirteen billion, nine hundred sixty-five million, two hundred fifteen thousand, one hundred twenty-one.

Scientific notation

• Scientific notation: 1.3965215121 × 10¹⁰

Factors of 13965215121

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 476

Divisors of 13965215121

• Number of divisors d(n): 90
• Complete list of divisors:
  1 3 9 11 13 33 39 99 117 121 143 169 363 429 449 507 1089 1287 1347 1521 1573 1859 2197 4041 4719 4939 5577 5837 6591 14157 14817 16731 17511 19773 20449 24167 28561 44451 52533 54329 61347 64207 72501 75881 85683 162987 184041 192621 217503 227643 257049 265837 314171 488961 577863 682929 706277 797511 834691 942513 986453 2118831 2392533 2504073 2827539 2959359 3455881 6356493 7512219 8878077 9181601 10367643 10850983 12823889 27544803 31102929 32552949 38471667 82634409 97658847 115415001 119360813 141062779 358082439 423188337 1074247317 1269565011 1551690569 4655071707 13965215121
• Sum of all divisors σ(n): 24073645050
• Sum of proper divisors (its aliquot sum) s(n): 10108429929
• 13965215121 is a deficient number, because the sum of its proper divisors (10108429929) is less than itself. Its deficiency is 3856785192

Bases of 13965215121

• Binary: 1101000000011001000100010110010001₂
• Hexadecimal: 0x340644591
• Base-36: 6EYJ0Y9

Squares and roots of 13965215121

• 13965215121 squared (13965215121²) is 195027233375807044641
• 13965215121 cubed (13965215121³) is 2723597268546616415398815216561
• The square root of 13965215121 is 118174.5113000261
• The cube root of 13965215121 is 2408.1445013803

Scales and comparisons

• 13,965,215,121 seconds is equal to 444 years, 2 weeks, 4 days, 10 hours, 25 minutes, 21 seconds.
• To count from 1 to 13,965,215,121 would take you about eight hundred eighty-eight 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 13965215121 cubic inches would be around 200.7 feet tall.

Recreational maths with 13965215121

• 13965215121 backwards is 12151256931
• The number of decimal digits it has is: 11
• The sum of 13965215121's digits is 36
• More coming soon!