39018

Names of 39018

• Cardinal: 39018 can be written as Thirty-nine thousand and eighteen.

Scientific notation

• Scientific notation: 3.9018 × 10⁴

Factors of 39018

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 941

Divisors of 39018

• Number of divisors d(n): 16
• Complete list of divisors:
  1 2 3 6 7 14 21 42 929 1858 2787 5574 6503 13006 19509 39018
• Sum of all divisors σ(n): 89280
• Sum of proper divisors (its aliquot sum) s(n): 50262
• 39018 is an abundant number, because the sum of its proper divisors (50262) is greater than itself. Its abundance is 11244

Bases of 39018

• Binary: 1001100001101010₂
• Hexadecimal: 0x986A
• Base-36: U3U

Squares and roots of 39018

• 39018 squared (39018²) is 1522404324
• 39018 cubed (39018³) is 59401171913832
• The square root of 39018 is 197.5297445957
• The cube root of 39018 is 33.9173308763

Scales and comparisons

• 39,018 seconds is equal to 10 hours, 50 minutes, 18 seconds.
• To count from 1 to 39,018 would take you about ten 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 39018 cubic inches would be around 2.8 feet tall.

Recreational maths with 39018

• 39018 backwards is 81093
• 39018 is a Harshad number.
• The number of decimal digits it has is: 5
• The sum of 39018's digits is 21
• More coming soon!