13991121430

Names of 13991121430

• Cardinal: 13991121430 can be written as Thirteen billion, nine hundred ninety-one million, one hundred twenty-one thousand, four hundred thirty.

Scientific notation

• Scientific notation: 1.399112143 × 10¹⁰

Factors of 13991121430

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 6433

Divisors of 13991121430

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 5 10 11 13 22 26 55 65 110 130 143 286 715 1430 2521 3881 5042 7762 12605 19405 25210 27731 32773 38810 42691 50453 55462 65546 85382 100906 138655 163865 213455 252265 277310 327730 360503 426910 504530 554983 721006 1109966 1802515 2774915 3605030 5549830 9784001 19568002 48920005 97840010 107624011 127192013 215248022 254384026 538120055 635960065 1076240110 1271920130 1399112143 2798224286 6995560715 13991121430
• Sum of all divisors σ(n): 29606181696
• Sum of proper divisors (its aliquot sum) s(n): 15615060266
• 13991121430 is an abundant number, because the sum of its proper divisors (15615060266) is greater than itself. Its abundance is 1623938836

Bases of 13991121430

• Binary: 1101000001111011111001001000010110₂
• Hexadecimal: 0x341EF9216
• Base-36: 6FDYADY

Squares and roots of 13991121430

• 13991121430 squared (13991121430²) is 195751478869005244900
• 13991121430 cubed (13991121430³) is 2738782710958331444702788207000
• The square root of 13991121430 is 118284.0709055955
• The cube root of 13991121430 is 2409.6326655575

Scales and comparisons

• 13,991,121,430 seconds is equal to 444 years, 45 weeks, 3 days, 6 hours, 37 minutes, 10 seconds.
• To count from 1 to 13,991,121,430 would take you about eight hundred eighty-nine 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 13991121430 cubic inches would be around 200.8 feet tall.

Recreational maths with 13991121430

• 13991121430 backwards is 03412119931
• The number of decimal digits it has is: 11
• The sum of 13991121430's digits is 34
• More coming soon!