20645427

Names of 20645427

• Cardinal: 20645427 can be written as Twenty million, six hundred forty-five thousand, four hundred twenty-seven.

Scientific notation

• Scientific notation: 2.0645427 × 10⁷

Factors of 20645427

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 15314

Divisors of 20645427

• Number of divisors d(n): 16
• Complete list of divisors:
  1 3 11 33 41 123 451 1353 15259 45777 167849 503547 625619 1876857 6881809 20645427
• Sum of all divisors σ(n): 30764160
• Sum of proper divisors (its aliquot sum) s(n): 10118733
• 20645427 is a deficient number, because the sum of its proper divisors (10118733) is less than itself. Its deficiency is 10526694

Bases of 20645427

• Binary: 1001110110000011000110011₂
• Hexadecimal: 0x13B0633
• Base-36: CAI43

Squares and roots of 20645427

• 20645427 squared (20645427²) is 426233656012329
• 20645427 cubed (20645427³) is 8799775830145649469483
• The square root of 20645427 is 4543.7239132677
• The cube root of 20645427 is 274.3308336227

Scales and comparisons

• 20,645,427 seconds is equal to 34 weeks, 22 hours, 50 minutes, 27 seconds.
• To count from 1 to 20,645,427 would take you about fifty-one 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 20645427 cubic inches would be around 22.9 feet tall.

Recreational maths with 20645427

• 20645427 backwards is 72454602
• The number of decimal digits it has is: 8
• The sum of 20645427's digits is 30
• More coming soon!