18039005

Names of 18039005

• Cardinal: 18039005 can be written as Eighteen million, thirty-nine thousand and five.

Scientific notation

• Scientific notation: 1.8039005 × 10⁷

Factors of 18039005

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 3607806

Divisors of 18039005

• Number of divisors d(n): 4
• Complete list of divisors:
  1 5 3607801 18039005
• Sum of all divisors σ(n): 21646812
• Sum of proper divisors (its aliquot sum) s(n): 3607807
• 18039005 is a deficient number, because the sum of its proper divisors (3607807) is less than itself. Its deficiency is 14431198

Bases of 18039005

• Binary: 1000100110100000011011101₂
• Hexadecimal: 0x11340DD
• Base-36: AQMZH

Squares and roots of 18039005

• 18039005 squared (18039005²) is 325405701390025
• 18039005 cubed (18039005³) is 5869995074403167925125
• The square root of 18039005 is 4247.2349829035
• The cube root of 18039005 is 262.2633028843

Scales and comparisons

• 18,039,005 seconds is equal to 29 weeks, 5 days, 18 hours, 50 minutes, 5 seconds.
• To count from 1 to 18,039,005 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 18039005 cubic inches would be around 21.9 feet tall.

Recreational maths with 18039005

• 18039005 backwards is 50093081
• The number of decimal digits it has is: 8
• The sum of 18039005's digits is 26
• More coming soon!