18020165

Names of 18020165

• Cardinal: 18020165 can be written as Eighteen million, twenty thousand, one hundred sixty-five.

Scientific notation

• Scientific notation: 1.8020165 × 10⁷

Factors of 18020165

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 124311

Divisors of 18020165

• Number of divisors d(n): 8
• Complete list of divisors:
  1 5 29 145 124277 621385 3604033 18020165
• Sum of all divisors σ(n): 22370040
• Sum of proper divisors (its aliquot sum) s(n): 4349875
• 18020165 is a deficient number, because the sum of its proper divisors (4349875) is less than itself. Its deficiency is 13670290

Bases of 18020165

• Binary: 1000100101111011101000101₂
• Hexadecimal: 0x112F745
• Base-36: AQ8G5

Squares and roots of 18020165

• 18020165 squared (18020165²) is 324726346627225
• 18020165 cubed (18020165³) is 5851622346069787992125
• The square root of 18020165 is 4245.0164899561
• The cube root of 18020165 is 262.1719681763

Scales and comparisons

• 18,020,165 seconds is equal to 29 weeks, 5 days, 13 hours, 36 minutes, 5 seconds.
• To count from 1 to 18,020,165 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 18020165 cubic inches would be around 21.8 feet tall.

Recreational maths with 18020165

• 18020165 backwards is 56102081
• The number of decimal digits it has is: 8
• The sum of 18020165's digits is 23
• More coming soon!