18004

Names of 18004

• Cardinal: 18004 can be written as Eighteen thousand and four.

Scientific notation

• Scientific notation: 1.8004 × 10⁴

Factors of 18004

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 652

Divisors of 18004

• Number of divisors d(n): 12
• Complete list of divisors:
  1 2 4 7 14 28 643 1286 2572 4501 9002 18004
• Sum of all divisors σ(n): 36064
• Sum of proper divisors (its aliquot sum) s(n): 18060
• 18004 is an abundant number, because the sum of its proper divisors (18060) is greater than itself. Its abundance is 56

Bases of 18004

• Binary: 100011001010100₂
• Hexadecimal: 0x4654
• Base-36: DW4

Squares and roots of 18004

• 18004 squared (18004²) is 324144016
• 18004 cubed (18004³) is 5835888864064
• The square root of 18004 is 134.1789849417
• The cube root of 18004 is 26.2093550883

Scales and comparisons

• 18,004 seconds is equal to 5 hours, 4 seconds.
• To count from 1 to 18,004 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 18004 cubic inches would be around 2.2 feet tall.

Recreational maths with 18004

• 18004 backwards is 40081
• The number of decimal digits it has is: 5
• The sum of 18004's digits is 13
• More coming soon!