13186479920

Names of 13186479920

• Cardinal: 13186479920 can be written as Thirteen billion, one hundred eighty-six million, four hundred seventy-nine thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.318647992 × 10¹⁰

Factors of 13186479920

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 48928

Divisors of 13186479920

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 4 5 8 10 16 20 31 40 62 80 109 124 155 218 248 310 436 496 545 620 872 1090 1240 1744 2180 2480 3379 4360 6758 8720 13516 16895 27032 33790 48781 54064 67580 97562 135160 195124 243905 270320 390248 487810 780496 975620 1512211 1951240 3024422 3902480 5317129 6048844 7561055 10634258 12097688 15122110 21268516 24195376 26585645 30244220 42537032 53171290 60488440 85074064 106342580 120976880 164830999 212685160 329661998 425370320 659323996 824154995 1318647992 1648309990 2637295984 3296619980 6593239960 13186479920
• Sum of all divisors σ(n): 31938551040
• Sum of proper divisors (its aliquot sum) s(n): 18752071120
• 13186479920 is an abundant number, because the sum of its proper divisors (18752071120) is greater than itself. Its abundance is 5565591200

Bases of 13186479920

• Binary: 1100010001111110011011011100110000₂
• Hexadecimal: 0x311F9B730
• Base-36: 622W10W

Squares and roots of 13186479920

• 13186479920 squared (13186479920²) is 173883252680563206400
• 13186479920 cubed (13186479920³) is 2292908019896532895484415488000
• The square root of 13186479920 is 114832.3992608357
• The cube root of 13186479920 is 2362.5243457267

Scales and comparisons

• 13,186,479,920 seconds is equal to 419 years, 15 weeks, 7 hours, 5 minutes, 20 seconds.
• To count from 1 to 13,186,479,920 would take you about eight hundred thirty-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 13186479920 cubic inches would be around 196.9 feet tall.

Recreational maths with 13186479920

• 13186479920 backwards is 02997468131
• The number of decimal digits it has is: 11
• The sum of 13186479920's digits is 50
• More coming soon!