424

Names of 424

• Cardinal: 424 can be written as Four hundred twenty-four.

Scientific notation

• Scientific notation: 4.24 × 10²

Factors of 424

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 55

Divisors of 424

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 4 8 53 106 212 424
• Sum of all divisors σ(n): 810
• Sum of proper divisors (its aliquot sum) s(n): 386
• 424 is a deficient number, because the sum of its proper divisors (386) is less than itself. Its deficiency is 38

Bases of 424

• Binary: 110101000₂
• Hexadecimal: 0x1A8
• Base-36: BS

Squares and roots of 424

• 424 squared (424²) is 179776
• 424 cubed (424³) is 76225024
• The square root of 424 is 20.5912602819
• The cube root of 424 is 7.5125715085

Scales and comparisons

• 424 seconds is equal to 7 minutes, 4 seconds.
• To count from 1 to 424 would take you about three minutes.

  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 424 cubic inches would be around 0.6 feet tall.

Recreational maths with 424

• 424 is the same when its digits are reversed! That makes it a palindromic number.
• The number of decimal digits it has is: 3
• The sum of 424's digits is 10
• More coming soon!