16399018

Names of 16399018

• Cardinal: 16399018 can be written as Sixteen million, three hundred ninety-nine thousand and eighteen.

Scientific notation

• Scientific notation: 1.6399018 × 10⁷

Factors of 16399018

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 8199511

Divisors of 16399018

• Number of divisors d(n): 4
• Complete list of divisors:
  1 2 8199509 16399018
• Sum of all divisors σ(n): 24598530
• Sum of proper divisors (its aliquot sum) s(n): 8199512
• 16399018 is a deficient number, because the sum of its proper divisors (8199512) is less than itself. Its deficiency is 8199506

Bases of 16399018

• Binary: 111110100011101010101010₂
• Hexadecimal: 0xFA3AAA
• Base-36: 9RHKA

Squares and roots of 16399018

• 16399018 squared (16399018²) is 268927791364324
• 16399018 cubed (16399018³) is 4410151691283793833832
• The square root of 16399018 is 4049.5701006403
• The cube root of 16399018 is 254.0617474449

Scales and comparisons

• 16,399,018 seconds is equal to 27 weeks, 19 hours, 16 minutes, 58 seconds.
• To count from 1 to 16,399,018 would take you about forty 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 16399018 cubic inches would be around 21.2 feet tall.

Recreational maths with 16399018

• 16399018 backwards is 81099361
• The number of decimal digits it has is: 8
• The sum of 16399018's digits is 37
• More coming soon!