18329939

Names of 18329939

• Cardinal: 18329939 can be written as Eighteen million, three hundred twenty-nine thousand, nine hundred thirty-nine.

Scientific notation

• Scientific notation: 1.8329939 × 10⁷

Factors of 18329939

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 18329939

Divisors of 18329939

• Number of divisors d(n): 2
• Complete list of divisors:
  1 18329939
• Sum of all divisors σ(n): 18329940
• Sum of proper divisors (its aliquot sum) s(n): 1
• 18329939 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 18329938

Bases of 18329939

• Binary: 1000101111011000101010011₂
• Hexadecimal: 0x117B153
• Base-36: AWVGZ

Squares and roots of 18329939

• 18329939 squared (18329939²) is 335986663743721
• 18329939 cubed (18329939³) is 6158615051235917563019
• The square root of 18329939 is 4281.3478018025
• The cube root of 18329939 is 263.6657222701

Scales and comparisons

• 18,329,939 seconds is equal to 30 weeks, 2 days, 3 hours, 38 minutes, 59 seconds.
• To count from 1 to 18,329,939 would take you about forty-five 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 18329939 cubic inches would be around 22 feet tall.

Recreational maths with 18329939

• 18329939 backwards is 93992381
• The number of decimal digits it has is: 8
• The sum of 18329939's digits is 44
• More coming soon!