18399243080

Names of 18399243080

• Cardinal: 18399243080 can be written as Eighteen billion, three hundred ninety-nine million, two hundred forty-three thousand and eighty.

Scientific notation

• Scientific notation: 1.839924308 × 10¹⁰

Factors of 18399243080

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 110174

Divisors of 18399243080

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 5 8 10 20 37 40 74 113 148 185 226 296 370 452 565 740 904 1130 1480 2260 4181 4520 8362 16724 20905 33448 41810 83620 110017 167240 220034 440068 550085 880136 1100170 2200340 4070629 4400680 8141258 12431921 16282516 20353145 24863842 32565032 40706290 49727684 62159605 81412580 99455368 124319210 162825160 248638420 459981077 497276840 919962154 1839924308 2299905385 3679848616 4599810770 9199621540 18399243080
• Sum of all divisors σ(n): 42893817840
• Sum of proper divisors (its aliquot sum) s(n): 24494574760
• 18399243080 is an abundant number, because the sum of its proper divisors (24494574760) is greater than itself. Its abundance is 6095331680

Bases of 18399243080

• Binary: 10001001000101011100010101101001000₂
• Hexadecimal: 0x448AE2B48
• Base-36: 8GAFMTK

Squares and roots of 18399243080

• 18399243080 squared (18399243080²) is 338532145916927886400
• 18399243080 cubed (18399243080³) is 6228735243119585668704226112000
• The square root of 18399243080 is 135643.8095896751
• The cube root of 18399243080 is 2639.9760424057

Scales and comparisons

• 18,399,243,080 seconds is equal to 585 years, 2 weeks, 4 hours, 51 minutes, 20 seconds.
• To count from 1 to 18,399,243,080 would take you about one thousand, one 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 18399243080 cubic inches would be around 220 feet tall.

Recreational maths with 18399243080

• 18399243080 backwards is 08034299381
• The number of decimal digits it has is: 11
• The sum of 18399243080's digits is 47
• More coming soon!