18066818

Names of 18066818

• Cardinal: 18066818 can be written as Eighteen million, sixty-six thousand, eight hundred eighteen.

Scientific notation

• Scientific notation: 1.8066818 × 10⁷

Factors of 18066818

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 207

Divisors of 18066818

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 7 11 14 17 22 34 67 77 103 119 134 154 187 206 238 374 469 721 737 938 1133 1139 1309 1442 1474 1751 2266 2278 2618 3502 5159 6901 7931 7973 10318 12257 12529 13802 15862 15946 19261 24514 25058 38522 48307 75911 87703 96614 117317 134827 151822 175406 234634 269654 531377 821219 1062754 1290487 1642438 2580974 9033409 18066818
• Sum of all divisors σ(n): 36661248
• Sum of proper divisors (its aliquot sum) s(n): 18594430
• 18066818 is an abundant number, because the sum of its proper divisors (18594430) is greater than itself. Its abundance is 527612

Bases of 18066818

• Binary: 1000100111010110110000010₂
• Hexadecimal: 0x113AD82
• Base-36: AR8G2

Squares and roots of 18066818

• 18066818 squared (18066818²) is 326409912645124
• 18066818 cubed (18066818³) is 5897188485155353895432
• The square root of 18066818 is 4250.5079696431
• The cube root of 18066818 is 262.3980217635

Scales and comparisons

• 18,066,818 seconds is equal to 29 weeks, 6 days, 2 hours, 33 minutes, 38 seconds.
• To count from 1 to 18,066,818 would take you about forty-four weeks!

  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 18066818 cubic inches would be around 21.9 feet tall.

Recreational maths with 18066818

• 18066818 backwards is 81866081
• The number of decimal digits it has is: 8
• The sum of 18066818's digits is 38
• More coming soon!