18045

Names of 18045

• Cardinal: 18045 can be written as Eighteen thousand and forty-five.

Scientific notation

• Scientific notation: 1.8045 × 10⁴

Factors of 18045

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 409

Divisors of 18045

• Number of divisors d(n): 12
• Complete list of divisors:
  1 3 5 9 15 45 401 1203 2005 3609 6015 18045
• Sum of all divisors σ(n): 31356
• Sum of proper divisors (its aliquot sum) s(n): 13311
• 18045 is a deficient number, because the sum of its proper divisors (13311) is less than itself. Its deficiency is 4734

Bases of 18045

• Binary: 100011001111101₂
• Hexadecimal: 0x467D
• Base-36: DX9

Squares and roots of 18045

• 18045 squared (18045²) is 325622025
• 18045 cubed (18045³) is 5875849441125
• The square root of 18045 is 134.3316790635
• The cube root of 18045 is 26.2292352793

Scales and comparisons

• 18,045 seconds is equal to 5 hours, 45 seconds.
• To count from 1 to 18,045 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 18045 cubic inches would be around 2.2 feet tall.

Recreational maths with 18045

• 18045 backwards is 54081
• The number of decimal digits it has is: 5
• The sum of 18045's digits is 18
• More coming soon!