18008

Names of 18008

• Cardinal: 18008 can be written as Eighteen thousand and eight.

Scientific notation

• Scientific notation: 1.8008 × 10⁴

Factors of 18008

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 2253

Divisors of 18008

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 4 8 2251 4502 9004 18008
• Sum of all divisors σ(n): 33780
• Sum of proper divisors (its aliquot sum) s(n): 15772
• 18008 is a deficient number, because the sum of its proper divisors (15772) is less than itself. Its deficiency is 2236

Bases of 18008

• Binary: 100011001011000₂
• Hexadecimal: 0x4658
• Base-36: DW8

Squares and roots of 18008

• 18008 squared (18008²) is 324288064
• 18008 cubed (18008³) is 5839779456512
• The square root of 18008 is 134.1938895777
• The cube root of 18008 is 26.2112959469

Scales and comparisons

• 18,008 seconds is equal to 5 hours, 8 seconds.
• To count from 1 to 18,008 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 18008 cubic inches would be around 2.2 feet tall.

Recreational maths with 18008

• 18008 backwards is 80081
• The number of decimal digits it has is: 5
• The sum of 18008's digits is 17
• More coming soon!