18040857

Names of 18040857

• Cardinal: 18040857 can be written as Eighteen million, forty thousand, eight hundred fifty-seven.

Scientific notation

• Scientific notation: 1.8040857 × 10⁷

Factors of 18040857

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 17583

Divisors of 18040857

• Number of divisors d(n): 8
• Complete list of divisors:
  1 3 349 1047 17231 51693 6013619 18040857
• Sum of all divisors σ(n): 24124800
• Sum of proper divisors (its aliquot sum) s(n): 6083943
• 18040857 is a deficient number, because the sum of its proper divisors (6083943) is less than itself. Its deficiency is 11956914

Bases of 18040857

• Binary: 1000100110100100000011001₂
• Hexadecimal: 0x1134819
• Base-36: AQOEX

Squares and roots of 18040857

• 18040857 squared (18040857²) is 325472521294449
• 18040857 cubed (18040857³) is 5871803214102609302793
• The square root of 18040857 is 4247.4530015057
• The cube root of 18040857 is 262.2722777885

Scales and comparisons

• 18,040,857 seconds is equal to 29 weeks, 5 days, 19 hours, 20 minutes, 57 seconds.
• To count from 1 to 18,040,857 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 18040857 cubic inches would be around 21.9 feet tall.

Recreational maths with 18040857

• 18040857 backwards is 75804081
• The number of decimal digits it has is: 8
• The sum of 18040857's digits is 33
• More coming soon!