13688399424

Names of 13688399424

• Cardinal: 13688399424 can be written as Thirteen billion, six hundred eighty-eight million, three hundred ninety-nine thousand, four hundred twenty-four.

Scientific notation

• Scientific notation: 1.3688399424 × 10¹⁰

Factors of 13688399424

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 10184833

Divisors of 13688399424

• Number of divisors d(n): 56
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 64 84 96 112 168 192 224 336 448 672 1344 10184821 20369642 30554463 40739284 61108926 71293747 81478568 122217852 142587494 162957136 213881241 244435704 285174988 325914272 427762482 488871408 570349976 651828544 855524964 977742816 1140699952 1711049928 1955485632 2281399904 3422099856 4562799808 6844199712 13688399424
• Sum of all divisors σ(n): 41391116608
• Sum of proper divisors (its aliquot sum) s(n): 27702717184
• 13688399424 is an abundant number, because the sum of its proper divisors (27702717184) is greater than itself. Its abundance is 14014317760

Bases of 13688399424

• Binary: 1100101111111001000110011001000000₂
• Hexadecimal: 0x32FE46640
• Base-36: 6ADPWLC

Squares and roots of 13688399424

• 13688399424 squared (13688399424²) is 187372278790963531776
• 13688399424 cubed (13688399424³) is 2564826593075792624767604097024
• The square root of 13688399424 is 116997.4334077463
• The cube root of 13688399424 is 2392.1269456085

Scales and comparisons

• 13,688,399,424 seconds is equal to 435 years, 12 weeks, 6 days, 13 hours, 10 minutes, 24 seconds.
• To count from 1 to 13,688,399,424 would take you about eight hundred seventy 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 13688399424 cubic inches would be around 199.3 feet tall.

Recreational maths with 13688399424

• 13688399424 backwards is 42499388631
• The number of decimal digits it has is: 11
• The sum of 13688399424's digits is 57
• More coming soon!