18385476816

Names of 18385476816

• Cardinal: 18385476816 can be written as Eighteen billion, three hundred eighty-five million, four hundred seventy-six thousand, eight hundred sixteen.

Scientific notation

• Scientific notation: 1.8385476816 × 10¹⁰

Factors of 18385476816

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 27494

Divisors of 18385476816

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 21 24 28 42 48 56 84 112 168 336 2161 4322 6483 8644 12966 15127 17288 25321 25932 30254 34576 45381 50642 51864 60508 75963 90762 101284 103728 121016 151926 177247 181524 202568 242032 303852 354494 363048 405136 531741 607704 708988 726096 1063482 1215408 1417976 2126964 2835952 4253928 8507856 54718681 109437362 164156043 218874724 328312086 383030767 437749448 656624172 766061534 875498896 1149092301 1313248344 1532123068 2298184602 2626496688 3064246136 4596369204 6128492272 9192738408 18385476816
• Sum of all divisors σ(n): 54308194688
• Sum of proper divisors (its aliquot sum) s(n): 35922717872
• 18385476816 is an abundant number, because the sum of its proper divisors (35922717872) is greater than itself. Its abundance is 17537241056

Bases of 18385476816

• Binary: 10001000111110111000001110011010000₂
• Hexadecimal: 0x447DC1CD0
• Base-36: 8G28KPC

Squares and roots of 18385476816

• 18385476816 squared (18385476816²) is 338025757751673497856
• 18385476816 cubed (18385476816³) is 6214764732354225380033113706496
• The square root of 18385476816 is 135593.0559283919
• The cube root of 18385476816 is 2639.3174704819

Scales and comparisons

• 18,385,476,816 seconds is equal to 584 years, 31 weeks, 1 day, 20 hours, 53 minutes, 36 seconds.
• To count from 1 to 18,385,476,816 would take you about one thousand, one hundred sixty-nine 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 18385476816 cubic inches would be around 219.9 feet tall.

Recreational maths with 18385476816

• 18385476816 backwards is 61867458381
• The number of decimal digits it has is: 11
• The sum of 18385476816's digits is 57
• More coming soon!