20021383

Names of 20021383

• Cardinal: 20021383 can be written as Twenty million, twenty-one thousand, three hundred eighty-three.

Scientific notation

• Scientific notation: 2.0021383 × 10⁷

Factors of 20021383

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 1053776

Divisors of 20021383

• Number of divisors d(n): 4
• Complete list of divisors:
  1 19 1053757 20021383
• Sum of all divisors σ(n): 21075160
• Sum of proper divisors (its aliquot sum) s(n): 1053777
• 20021383 is a deficient number, because the sum of its proper divisors (1053777) is less than itself. Its deficiency is 18967606

Bases of 20021383

• Binary: 1001100011000000010000111₂
• Hexadecimal: 0x1318087
• Base-36: BX4LJ

Squares and roots of 20021383

• 20021383 squared (20021383²) is 400855777232689
• 20021383 cubed (20021383³) is 8025687043738346588887
• The square root of 20021383 is 4474.5260084169
• The cube root of 20021383 is 271.5384645243

Scales and comparisons

• 20,021,383 seconds is equal to 33 weeks, 17 hours, 29 minutes, 43 seconds.
• To count from 1 to 20,021,383 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 20021383 cubic inches would be around 22.6 feet tall.

Recreational maths with 20021383

• 20021383 backwards is 38312002
• 20021383 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 20021383's digits is 19
• More coming soon!