428224

Names of 428224

• Cardinal: 428224 can be written as Four hundred twenty-eight thousand, two hundred twenty-four.

Scientific notation

• Scientific notation: 4.28224 × 10⁵

Factors of 428224

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 6693

Divisors of 428224

• Number of divisors d(n): 14
• Complete list of divisors:
  1 2 4 8 16 32 64 6691 13382 26764 53528 107056 214112 428224
• Sum of all divisors σ(n): 849884
• Sum of proper divisors (its aliquot sum) s(n): 421660
• 428224 is a deficient number, because the sum of its proper divisors (421660) is less than itself. Its deficiency is 6564

Bases of 428224

• Binary: 1101000100011000000₂
• Hexadecimal: 0x688C0
• Base-36: 96F4

Squares and roots of 428224

• 428224 squared (428224²) is 183375794176
• 428224 cubed (428224³) is 78525916085223424
• The square root of 428224 is 654.3882639535
• The cube root of 428224 is 75.3743652697

Scales and comparisons

• 428,224 seconds is equal to 4 days, 22 hours, 57 minutes, 4 seconds.
• To count from 1 to 428,224 would take you about four 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 428224 cubic inches would be around 6.3 feet tall.

Recreational maths with 428224

• 428224 backwards is 422824
• The number of decimal digits it has is: 6
• The sum of 428224's digits is 22
• More coming soon!