18363693168

Names of 18363693168

• Cardinal: 18363693168 can be written as Eighteen billion, three hundred sixty-three million, six hundred ninety-three thousand, one hundred sixty-eight.

Scientific notation

• Scientific notation: 1.8363693168 × 10¹⁰

Factors of 18363693168

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 354

Divisors of 18363693168

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 36 48 54 72 108 144 216 349 432 698 1047 1396 2094 2792 3141 4188 5584 6282 8376 9423 12564 16752 18846 25128 37692 50256 75384 121801 150768 243602 365403 487204 730806 974408 1096209 1461612 1948816 2192418 2923224 3288627 4384836 5846448 6577254 8769672 13154508 17539344 26309016 42508549 52618032 85017098 127525647 170034196 255051294 340068392 382576941 510102588 680136784 765153882 1020205176 1147730823 1530307764 2040410352 2295461646 3060615528 4590923292 6121231056 9181846584 18363693168
• Sum of all divisors σ(n): 52862068000
• Sum of proper divisors (its aliquot sum) s(n): 34498374832
• 18363693168 is an abundant number, because the sum of its proper divisors (34498374832) is greater than itself. Its abundance is 16134681664

Bases of 18363693168

• Binary: 10001000110100011111011100001110000₂
• Hexadecimal: 0x4468FB870
• Base-36: 8FP9OC0

Squares and roots of 18363693168

• 18363693168 squared (18363693168²) is 337225226768449876224
• 18363693168 cubed (18363693168³) is 6192700592885033709965114437632
• The square root of 18363693168 is 135512.7048213561
• The cube root of 18363693168 is 2638.2746784799

Scales and comparisons

• 18,363,693,168 seconds is equal to 583 years, 47 weeks, 1 day, 17 hours, 52 minutes, 48 seconds.
• To count from 1 to 18,363,693,168 would take you about one thousand, one hundred sixty-seven 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 18363693168 cubic inches would be around 219.9 feet tall.

Recreational maths with 18363693168

• 18363693168 backwards is 86139636381
• 18363693168 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18363693168's digits is 54
• More coming soon!