243989

Names of 243989

• Cardinal: 243989 can be written as Two hundred forty-three thousand, nine hundred eighty-nine.

Scientific notation

• Scientific notation: 2.43989 × 10⁵

Factors of 243989

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 243989

Divisors of 243989

• Number of divisors d(n): 2
• Complete list of divisors:
  1 243989
• Sum of all divisors σ(n): 243990
• Sum of proper divisors (its aliquot sum) s(n): 1
• 243989 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 243988

Bases of 243989

• Binary: 111011100100010101₂
• Hexadecimal: 0x3B915
• Base-36: 589H

Squares and roots of 243989

• 243989 squared (243989²) is 59530632121
• 243989 cubed (243989³) is 14524819400570669
• The square root of 243989 is 493.9524268591
• The cube root of 243989 is 62.4870586537

Scales and comparisons

• 243,989 seconds is equal to 2 days, 19 hours, 46 minutes, 29 seconds.
• To count from 1 to 243,989 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 243989 cubic inches would be around 5.2 feet tall.

Recreational maths with 243989

• 243989 backwards is 989342
• The number of decimal digits it has is: 6
• The sum of 243989's digits is 35
• More coming soon!