72949

Names of 72949

• Cardinal: 72949 can be written as Seventy-two thousand, nine hundred forty-nine.

Scientific notation

• Scientific notation: 7.2949 × 10⁴

Factors of 72949

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 72949

Divisors of 72949

• Number of divisors d(n): 2
• Complete list of divisors:
  1 72949
• Sum of all divisors σ(n): 72950
• Sum of proper divisors (its aliquot sum) s(n): 1
• 72949 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 72948

Bases of 72949

• Binary: 10001110011110101₂
• Hexadecimal: 0x11CF5
• Base-36: 1KAD

Squares and roots of 72949

• 72949 squared (72949²) is 5321556601
• 72949 cubed (72949³) is 388202232486349
• The square root of 72949 is 270.0907254979
• The cube root of 72949 is 41.7836569887

Scales and comparisons

• 72,949 seconds is equal to 20 hours, 15 minutes, 49 seconds.
• To count from 1 to 72,949 would take you about twenty 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 72949 cubic inches would be around 3.5 feet tall.

Recreational maths with 72949

• 72949 backwards is 94927
• The number of decimal digits it has is: 5
• The sum of 72949's digits is 31
• More coming soon!