18007

Names of 18007

• Cardinal: 18007 can be written as Eighteen thousand and seven.

Scientific notation

• Scientific notation: 1.8007 × 10⁴

Factors of 18007

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 1648

Divisors of 18007

• Number of divisors d(n): 4
• Complete list of divisors:
  1 11 1637 18007
• Sum of all divisors σ(n): 19656
• Sum of proper divisors (its aliquot sum) s(n): 1649
• 18007 is a deficient number, because the sum of its proper divisors (1649) is less than itself. Its deficiency is 16358

Bases of 18007

• Binary: 100011001010111₂
• Hexadecimal: 0x4657
• Base-36: DW7

Squares and roots of 18007

• 18007 squared (18007²) is 324252049
• 18007 cubed (18007³) is 5838806646343
• The square root of 18007 is 134.1901635739
• The cube root of 18007 is 26.2108107591

Scales and comparisons

• 18,007 seconds is equal to 5 hours, 7 seconds.
• To count from 1 to 18,007 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 18007 cubic inches would be around 2.2 feet tall.

Recreational maths with 18007

• 18007 backwards is 70081
• The number of decimal digits it has is: 5
• The sum of 18007's digits is 16
• More coming soon!