20021249

Names of 20021249

• Cardinal: 20021249 can be written as Twenty million, twenty-one thousand, two hundred forty-nine.

Scientific notation

• Scientific notation: 2.0021249 × 10⁷

Factors of 20021249

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 10686

Divisors of 20021249

• Number of divisors d(n): 4
• Complete list of divisors:
  1 2423 8263 20021249
• Sum of all divisors σ(n): 20031936
• Sum of proper divisors (its aliquot sum) s(n): 10687
• 20021249 is a deficient number, because the sum of its proper divisors (10687) is less than itself. Its deficiency is 20010562

Bases of 20021249

• Binary: 1001100011000000000000001₂
• Hexadecimal: 0x1318001
• Base-36: BX4HT

Squares and roots of 20021249

• 20021249 squared (20021249²) is 400850411520001
• 20021249 cubed (20021249³) is 8025525900794408501249
• The square root of 20021249 is 4474.5110347389
• The cube root of 20021249 is 271.5378587347

Scales and comparisons

• 20,021,249 seconds is equal to 33 weeks, 17 hours, 27 minutes, 29 seconds.
• To count from 1 to 20,021,249 would take you about forty-nine 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 20021249 cubic inches would be around 22.6 feet tall.

Recreational maths with 20021249

• 20021249 backwards is 94212002
• The number of decimal digits it has is: 8
• The sum of 20021249's digits is 20
• More coming soon!