5728021

Names of 5728021

• Cardinal: 5728021 can be written as Five million, seven hundred twenty-eight thousand and twenty-one.

Scientific notation

• Scientific notation: 5.728021 × 10⁶

Factors of 5728021

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 1395

Divisors of 5728021

• Number of divisors d(n): 8
• Complete list of divisors:
  1 13 499 883 6487 11479 440617 5728021
• Sum of all divisors σ(n): 6188000
• Sum of proper divisors (its aliquot sum) s(n): 459979
• 5728021 is a deficient number, because the sum of its proper divisors (459979) is less than itself. Its deficiency is 5268042

Bases of 5728021

• Binary: 10101110110011100010101₂
• Hexadecimal: 0x576715
• Base-36: 3ERRP

Squares and roots of 5728021

• 5728021 squared (5728021²) is 32810224576441
• 5728021 cubed (5728021³) is 187937655388570153261
• The square root of 5728021 is 2393.3284354639
• The cube root of 5728021 is 178.9238359739

Scales and comparisons

• 5,728,021 seconds is equal to 9 weeks, 3 days, 7 hours, 7 minutes, 1 second.
• To count from 1 to 5,728,021 would take you about fourteen 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 5728021 cubic inches would be around 14.9 feet tall.

Recreational maths with 5728021

• 5728021 backwards is 1208275
• The number of decimal digits it has is: 7
• The sum of 5728021's digits is 25
• More coming soon!