2428221

Names of 2428221

• Cardinal: 2428221 can be written as Two million, four hundred twenty-eight thousand, two hundred twenty-one.

Scientific notation

• Scientific notation: 2.428221 × 10⁶

Factors of 2428221

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 809410

Divisors of 2428221

• Number of divisors d(n): 4
• Complete list of divisors:
  1 3 809407 2428221
• Sum of all divisors σ(n): 3237632
• Sum of proper divisors (its aliquot sum) s(n): 809411
• 2428221 is a deficient number, because the sum of its proper divisors (809411) is less than itself. Its deficiency is 1618810

Bases of 2428221

• Binary: 1001010000110100111101₂
• Hexadecimal: 0x250D3D
• Base-36: 1G1ML

Squares and roots of 2428221

• 2428221 squared (2428221²) is 5896257224841
• 2428221 cubed (2428221³) is 14317415614760637861
• The square root of 2428221 is 1558.2750078211
• The cube root of 2428221 is 134.4093260783

Scales and comparisons

• 2,428,221 seconds is equal to 4 weeks, 2 hours, 30 minutes, 21 seconds.
• To count from 1 to 2,428,221 would take you about six weeks!

  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 2428221 cubic inches would be around 11.2 feet tall.

Recreational maths with 2428221

• 2428221 backwards is 1228242
• The number of decimal digits it has is: 7
• The sum of 2428221's digits is 21
• More coming soon!