18493

Names of 18493

• Cardinal: 18493 can be written as Eighteen thousand, four hundred ninety-three.

Scientific notation

• Scientific notation: 1.8493 × 10⁴

Factors of 18493

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 18493

Divisors of 18493

• Number of divisors d(n): 2
• Complete list of divisors:
  1 18493
• Sum of all divisors σ(n): 18494
• Sum of proper divisors (its aliquot sum) s(n): 1
• 18493 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 18492

Bases of 18493

• Binary: 100100000111101₂
• Hexadecimal: 0x483D
• Base-36: E9P

Squares and roots of 18493

• 18493 squared (18493²) is 341991049
• 18493 cubed (18493³) is 6324440469157
• The square root of 18493 is 135.9889701409
• The cube root of 18493 is 26.4445261763

Scales and comparisons

• 18,493 seconds is equal to 5 hours, 8 minutes, 13 seconds.
• To count from 1 to 18,493 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 18493 cubic inches would be around 2.2 feet tall.

Recreational maths with 18493

• 18493 backwards is 39481
• The number of decimal digits it has is: 5
• The sum of 18493's digits is 25
• More coming soon!