20428413

Names of 20428413

• Cardinal: 20428413 can be written as Twenty million, four hundred twenty-eight thousand, four hundred thirteen.

Scientific notation

• Scientific notation: 2.0428413 × 10⁷

Factors of 20428413

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 49131

Divisors of 20428413

• Number of divisors d(n): 8
• Complete list of divisors:
  1 3 139 417 48989 146967 6809471 20428413
• Sum of all divisors σ(n): 27434400
• Sum of proper divisors (its aliquot sum) s(n): 7005987
• 20428413 is a deficient number, because the sum of its proper divisors (7005987) is less than itself. Its deficiency is 13422426

Bases of 20428413

• Binary: 1001101111011011001111101₂
• Hexadecimal: 0x137B67D
• Base-36: C5UNX

Squares and roots of 20428413

• 20428413 squared (20428413²) is 417320057698569
• 20428413 cubed (20428413³) is 8525186491850197040997
• The square root of 20428413 is 4519.7801937705
• The cube root of 20428413 is 273.3662381895

Scales and comparisons

• 20,428,413 seconds is equal to 33 weeks, 5 days, 10 hours, 33 minutes, 33 seconds.
• To count from 1 to 20,428,413 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 20428413 cubic inches would be around 22.8 feet tall.

Recreational maths with 20428413

• 20428413 backwards is 31482402
• The number of decimal digits it has is: 8
• The sum of 20428413's digits is 24
• More coming soon!