39949

Names of 39949

• Cardinal: 39949 can be written as Thirty-nine thousand, nine hundred forty-nine.

Scientific notation

• Scientific notation: 3.9949 × 10⁴

Factors of 39949

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 459

Divisors of 39949

• Number of divisors d(n): 8
• Complete list of divisors:
  1 7 13 91 439 3073 5707 39949
• Sum of all divisors σ(n): 49280
• Sum of proper divisors (its aliquot sum) s(n): 9331
• 39949 is a deficient number, because the sum of its proper divisors (9331) is less than itself. Its deficiency is 30618

Bases of 39949

• Binary: 1001110000001101₂
• Hexadecimal: 0x9C0D
• Base-36: UTP

Squares and roots of 39949

• 39949 squared (39949²) is 1595922601
• 39949 cubed (39949³) is 63755511987349
• The square root of 39949 is 199.8724593335
• The cube root of 39949 is 34.1849779563

Scales and comparisons

• 39,949 seconds is equal to 11 hours, 5 minutes, 49 seconds.
• To count from 1 to 39,949 would take you about eleven 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 39949 cubic inches would be around 2.8 feet tall.

Recreational maths with 39949

• 39949 backwards is 94993
• The number of decimal digits it has is: 5
• The sum of 39949's digits is 34
• More coming soon!