13640863838

Names of 13640863838

• Cardinal: 13640863838 can be written as Thirteen billion, six hundred forty million, eight hundred sixty-three thousand, eight hundred thirty-eight.

Scientific notation

• Scientific notation: 1.3640863838 × 10¹⁰

Factors of 13640863838

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 1965

Divisors of 13640863838

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 7 14 19 38 59 118 133 266 413 826 827 1051 1121 1654 2102 2242 5789 7357 7847 11578 14714 15694 15713 19969 31426 39938 48793 62009 97586 109991 124018 139783 219982 279566 341551 434063 683102 868126 869177 927067 1178171 1738354 1854134 2356342 6084239 6489469 8247197 12168478 12978938 16494394 16514363 33028726 51281443 102562886 115600541 231201082 358970101 717940202 974347417 1948694834 6820431919 13640863838
• Sum of all divisors σ(n): 25086412800
• Sum of proper divisors (its aliquot sum) s(n): 11445548962
• 13640863838 is a deficient number, because the sum of its proper divisors (11445548962) is less than itself. Its deficiency is 2195314876

Bases of 13640863838

• Binary: 1100101101000011110001000001011110₂
• Hexadecimal: 0x32D0F105E
• Base-36: 69LF1WE

Squares and roots of 13640863838

• 13640863838 squared (13640863838²) is 186073166246856090244
• 13640863838 cubed (13640863838³) is 2538198724678901422599444196472
• The square root of 13640863838 is 116794.1087469741
• The cube root of 13640863838 is 2389.3546945691

Scales and comparisons

• 13,640,863,838 seconds is equal to 433 years, 38 weeks, 2 days, 8 hours, 50 minutes, 38 seconds.
• To count from 1 to 13,640,863,838 would take you about eight hundred sixty-seven 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 13640863838 cubic inches would be around 199.1 feet tall.

Recreational maths with 13640863838

• 13640863838 backwards is 83836804631
• The number of decimal digits it has is: 11
• The sum of 13640863838's digits is 50
• More coming soon!