18429611720

Names of 18429611720

• Cardinal: 18429611720 can be written as Eighteen billion, four hundred twenty-nine million, six hundred eleven thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 1.842961172 × 10¹⁰

Factors of 18429611720

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 82682

Divisors of 18429611720

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 5 8 10 13 20 26 40 52 65 104 130 260 431 520 862 1724 2155 3448 4310 5603 8620 11206 17240 22412 28015 44824 56030 82231 112060 164462 224120 328924 411155 657848 822310 1069003 1644620 2138006 3289240 4276012 5345015 8552024 10690030 21380060 35441561 42760120 70883122 141766244 177207805 283532488 354415610 460740293 708831220 921480586 1417662440 1842961172 2303701465 3685922344 4607402930 9214805860 18429611720
• Sum of all divisors σ(n): 44760522240
• Sum of proper divisors (its aliquot sum) s(n): 26330910520
• 18429611720 is an abundant number, because the sum of its proper divisors (26330910520) is greater than itself. Its abundance is 7901298800

Bases of 18429611720

• Binary: 10001001010011111011000111011001000₂
• Hexadecimal: 0x44A7D8EC8
• Base-36: 8GSIJEW

Squares and roots of 18429611720

• 18429611720 squared (18429611720²) is 339650588149961358400
• 18429611720 cubed (18429611720³) is 6259628460073420968315760448000
• The square root of 18429611720 is 135755.7060310911
• The cube root of 18429611720 is 2641.4277038113

Scales and comparisons

• 18,429,611,720 seconds is equal to 586 years, 1 day, 16 hours, 35 minutes, 20 seconds.
• To count from 1 to 18,429,611,720 would take you about one thousand, one hundred seventy-two 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 18429611720 cubic inches would be around 220.1 feet tall.

Recreational maths with 18429611720

• 18429611720 backwards is 02711692481
• The number of decimal digits it has is: 11
• The sum of 18429611720's digits is 41
• More coming soon!