20428529

Names of 20428529

• Cardinal: 20428529 can be written as Twenty million, four hundred twenty-eight thousand, five hundred twenty-nine.

Scientific notation

• Scientific notation: 2.0428529 × 10⁷

Factors of 20428529

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 1857150

Divisors of 20428529

• Number of divisors d(n): 4
• Complete list of divisors:
  1 11 1857139 20428529
• Sum of all divisors σ(n): 22285680
• Sum of proper divisors (its aliquot sum) s(n): 1857151
• 20428529 is a deficient number, because the sum of its proper divisors (1857151) is less than itself. Its deficiency is 18571378

Bases of 20428529

• Binary: 1001101111011011011110001₂
• Hexadecimal: 0x137B6F1
• Base-36: C5UR5

Squares and roots of 20428529

• 20428529 squared (20428529²) is 417324797103841
• 20428529 cubed (20428529³) is 8525331720054931879889
• The square root of 20428529 is 4519.7930262347
• The cube root of 20428529 is 273.3667556129

Scales and comparisons

• 20,428,529 seconds is equal to 33 weeks, 5 days, 10 hours, 35 minutes, 29 seconds.
• To count from 1 to 20,428,529 would take you about fifty 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 20428529 cubic inches would be around 22.8 feet tall.

Recreational maths with 20428529

• 20428529 backwards is 92582402
• The number of decimal digits it has is: 8
• The sum of 20428529's digits is 32
• More coming soon!