18180401085

Names of 18180401085

• Cardinal: 18180401085 can be written as Eighteen billion, one hundred eighty million, four hundred one thousand and eighty-five.

Scientific notation

• Scientific notation: 1.8180401085 × 10¹⁰

Factors of 18180401085

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 276196

Divisors of 18180401085

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 5 7 9 11 15 19 21 33 35 45 55 57 63 77 95 99 105 133 165 171 209 231 285 315 385 399 495 627 665 693 855 1045 1155 1197 1463 1881 1995 3135 3465 4389 5985 7315 9405 13167 21945 65835 276151 828453 1380755 1933057 2485359 3037661 4142265 5246869 5799171 9112983 9665285 12426795 15188305 15740607 17397513 21263627 26234345 27338949 28995855 36728083 45564915 47221821 57715559 63790881 78703035 86987565 106318135 110184249 136694745 173146677 183640415 191372643 236109105 288577795 318954405 330552747 404008913 519440031 550921245 865733385 956863215 1212026739 1652763735 2020044565 2597200155 3636080217 6060133695 18180401085
• Sum of all divisors σ(n): 41356523520
• Sum of proper divisors (its aliquot sum) s(n): 23176122435
• 18180401085 is an abundant number, because the sum of its proper divisors (23176122435) is greater than itself. Its abundance is 4995721350

Bases of 18180401085

• Binary: 10000111011101000101110011110111101₂
• Hexadecimal: 0x43BA2E7BD
• Base-36: 8CO5399

Squares and roots of 18180401085

• 18180401085 squared (18180401085²) is 330526983611469177225
• 18180401085 cubed (18180401085³) is 6009113131471731448065447289125
• The square root of 18180401085 is 134834.7176546163
• The cube root of 18180401085 is 2629.4675769269

Scales and comparisons

• 18,180,401,085 seconds is equal to 578 years, 4 weeks, 1 day, 7 hours, 24 minutes, 45 seconds.
• To count from 1 to 18,180,401,085 would take you about one thousand, one hundred fifty-six 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 18180401085 cubic inches would be around 219.1 feet tall.

Recreational maths with 18180401085

• 18180401085 backwards is 58010408181
• The number of decimal digits it has is: 11
• The sum of 18180401085's digits is 36
• More coming soon!