20521429

Names of 20521429

• Cardinal: 20521429 can be written as Twenty million, five hundred twenty-one thousand, four hundred twenty-nine.

Scientific notation

• Scientific notation: 2.0521429 × 10⁷

Factors of 20521429

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 20521429

Divisors of 20521429

• Number of divisors d(n): 2
• Complete list of divisors:
  1 20521429
• Sum of all divisors σ(n): 20521430
• Sum of proper divisors (its aliquot sum) s(n): 1
• 20521429 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 20521428

Bases of 20521429

• Binary: 1001110010010000111010101₂
• Hexadecimal: 0x13921D5
• Base-36: C7UFP

Squares and roots of 20521429

• 20521429 squared (20521429²) is 421129048202041
• 20521429 cubed (20521429³) is 8642169862515762036589
• The square root of 20521429 is 4530.0583881447
• The cube root of 20521429 is 273.7805131293

Scales and comparisons

• 20,521,429 seconds is equal to 33 weeks, 6 days, 12 hours, 23 minutes, 49 seconds.
• To count from 1 to 20,521,429 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 20521429 cubic inches would be around 22.8 feet tall.

Recreational maths with 20521429

• 20521429 backwards is 92412502
• The number of decimal digits it has is: 8
• The sum of 20521429's digits is 25
• More coming soon!