249989

Names of 249989

• Cardinal: 249989 can be written as Two hundred forty-nine thousand, nine hundred eighty-nine.

Scientific notation

• Scientific notation: 2.49989 × 10⁵

Factors of 249989

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 249989

Divisors of 249989

• Number of divisors d(n): 2
• Complete list of divisors:
  1 249989
• Sum of all divisors σ(n): 249990
• Sum of proper divisors (its aliquot sum) s(n): 1
• 249989 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 249988

Bases of 249989

• Binary: 111101000010000101₂
• Hexadecimal: 0x3D085
• Base-36: 5CW5

Squares and roots of 249989

• 249989 squared (249989²) is 62494500121
• 249989 cubed (249989³) is 15622937590748669
• The square root of 249989 is 499.9889998791
• The cube root of 249989 is 62.9951285391

Scales and comparisons

• 249,989 seconds is equal to 2 days, 21 hours, 26 minutes, 29 seconds.
• To count from 1 to 249,989 would take you about two days.

  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 249989 cubic inches would be around 5.2 feet tall.

Recreational maths with 249989

• 249989 backwards is 989942
• The number of decimal digits it has is: 6
• The sum of 249989's digits is 41
• More coming soon!