18380716216

Names of 18380716216

• Cardinal: 18380716216 can be written as Eighteen billion, three hundred eighty million, seven hundred sixteen thousand, two hundred sixteen.

Scientific notation

• Scientific notation: 1.8380716216 × 10¹⁰

Factors of 18380716216

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1972

Divisors of 18380716216

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 8 67 109 134 197 218 268 394 436 536 788 872 1576 1597 3194 6388 7303 12776 13199 14606 21473 26398 29212 42946 52796 58424 85892 105592 106999 171784 174073 213998 314609 348146 427996 629218 696292 855992 1258436 1392584 1438691 2516872 2877382 5754764 11509528 11662891 21078803 23325782 34292381 42157606 46651564 68584762 84315212 93303128 137169524 168630424 274339048 2297589527 4595179054 9190358108 18380716216
• Sum of all divisors σ(n): 35500528800
• Sum of proper divisors (its aliquot sum) s(n): 17119812584
• 18380716216 is a deficient number, because the sum of its proper divisors (17119812584) is less than itself. Its deficiency is 1260903632

Bases of 18380716216

• Binary: 10001000111100100110111100010111000₂
• Hexadecimal: 0x4479378B8
• Base-36: 8FZEJEG

Squares and roots of 18380716216

• 18380716216 squared (18380716216²) is 337850728613125358656
• 18380716216 cubed (18380716216³) is 6209938366006688470289155165696
• The square root of 18380716216 is 135575.5000580857
• The cube root of 18380716216 is 2639.0896490063

Scales and comparisons

• 18,380,716,216 seconds is equal to 584 years, 23 weeks, 2 days, 18 hours, 30 minutes, 16 seconds.
• To count from 1 to 18,380,716,216 would take you about one thousand, one hundred sixty-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 18380716216 cubic inches would be around 219.9 feet tall.

Recreational maths with 18380716216

• 18380716216 backwards is 61261708381
• The number of decimal digits it has is: 11
• The sum of 18380716216's digits is 43
• More coming soon!