18808

Names of 18808

• Cardinal: 18808 can be written as Eighteen thousand, eight hundred eight.

Scientific notation

• Scientific notation: 1.8808 × 10⁴

Factors of 18808

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 2353

Divisors of 18808

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 4 8 2351 4702 9404 18808
• Sum of all divisors σ(n): 35280
• Sum of proper divisors (its aliquot sum) s(n): 16472
• 18808 is a deficient number, because the sum of its proper divisors (16472) is less than itself. Its deficiency is 2336

Bases of 18808

• Binary: 100100101111000₂
• Hexadecimal: 0x4978
• Base-36: EIG

Squares and roots of 18808

• 18808 squared (18808²) is 353740864
• 18808 cubed (18808³) is 6653158170112
• The square root of 18808 is 137.1422619035
• The cube root of 18808 is 26.5938290093

Scales and comparisons

• 18,808 seconds is equal to 5 hours, 13 minutes, 28 seconds.
• To count from 1 to 18,808 would take you about five hours.

  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 18808 cubic inches would be around 2.2 feet tall.

Recreational maths with 18808

• 18808 backwards is 80881
• The number of decimal digits it has is: 5
• The sum of 18808's digits is 25
• More coming soon!