20389346

Names of 20389346

• Cardinal: 20389346 can be written as Twenty million, three hundred eighty-nine thousand, three hundred forty-six.

Scientific notation

• Scientific notation: 2.0389346 × 10⁷

Factors of 20389346

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 6388

Divisors of 20389346

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 3169 3217 6338 6434 10194673 20389346
• Sum of all divisors σ(n): 30603180
• Sum of proper divisors (its aliquot sum) s(n): 10213834
• 20389346 is a deficient number, because the sum of its proper divisors (10213834) is less than itself. Its deficiency is 10175512

Bases of 20389346

• Binary: 1001101110001110111100010₂
• Hexadecimal: 0x1371DE2
• Base-36: C50IQ

Squares and roots of 20389346

• 20389346 squared (20389346²) is 415725430307716
• 20389346 cubed (20389346³) is 8476369639542907993736
• The square root of 20389346 is 4515.4563446013
• The cube root of 20389346 is 273.1918664471

Scales and comparisons

• 20,389,346 seconds is equal to 33 weeks, 4 days, 23 hours, 42 minutes, 26 seconds.
• To count from 1 to 20,389,346 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 20389346 cubic inches would be around 22.8 feet tall.

Recreational maths with 20389346

• 20389346 backwards is 64398302
• The number of decimal digits it has is: 8
• The sum of 20389346's digits is 35
• More coming soon!