428221

Names of 428221

• Cardinal: 428221 can be written as Four hundred twenty-eight thousand, two hundred twenty-one.

Scientific notation

• Scientific notation: 4.28221 × 10⁵

Factors of 428221

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 428221

Divisors of 428221

• Number of divisors d(n): 2
• Complete list of divisors:
  1 428221
• Sum of all divisors σ(n): 428222
• Sum of proper divisors (its aliquot sum) s(n): 1
• 428221 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 428220

Bases of 428221

• Binary: 1101000100010111101₂
• Hexadecimal: 0x688BD
• Base-36: 96F1

Squares and roots of 428221

• 428221 squared (428221²) is 183373224841
• 428221 cubed (428221³) is 78524265714637861
• The square root of 428221 is 654.3859717321
• The cube root of 428221 is 75.3741892531

Scales and comparisons

• 428,221 seconds is equal to 4 days, 22 hours, 57 minutes, 1 second.
• To count from 1 to 428,221 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 428221 cubic inches would be around 6.3 feet tall.

Recreational maths with 428221

• 428221 backwards is 122824
• The number of decimal digits it has is: 6
• The sum of 428221's digits is 19
• More coming soon!