18690049

Names of 18690049

• Cardinal: 18690049 can be written as Eighteen million, six hundred ninety thousand and forty-nine.

Scientific notation

• Scientific notation: 1.8690049 × 10⁷

Factors of 18690049

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 4359

Divisors of 18690049

• Number of divisors d(n): 8
• Complete list of divisors:
  1 7 739 3613 5173 25291 2670007 18690049
• Sum of all divisors σ(n): 21394880
• Sum of proper divisors (its aliquot sum) s(n): 2704831
• 18690049 is a deficient number, because the sum of its proper divisors (2704831) is less than itself. Its deficiency is 15985218

Bases of 18690049

• Binary: 1000111010011000000000001₂
• Hexadecimal: 0x11D3001
• Base-36: B4LC1

Squares and roots of 18690049

• 18690049 squared (18690049²) is 349317931622401
• 18690049 cubed (18690049³) is 6528769258601324187649
• The square root of 18690049 is 4323.1989313471
• The cube root of 18690049 is 265.3811957897

Scales and comparisons

• 18,690,049 seconds is equal to 30 weeks, 6 days, 7 hours, 40 minutes, 49 seconds.
• To count from 1 to 18,690,049 would take you about forty-six 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 18690049 cubic inches would be around 22.1 feet tall.

Recreational maths with 18690049

• 18690049 backwards is 94009681
• The number of decimal digits it has is: 8
• The sum of 18690049's digits is 37
• More coming soon!