20428741

Names of 20428741

• Cardinal: 20428741 can be written as Twenty million, four hundred twenty-eight thousand, seven hundred forty-one.

Scientific notation

• Scientific notation: 2.0428741 × 10⁷

Factors of 20428741

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 2315

Divisors of 20428741

• Number of divisors d(n): 8
• Complete list of divisors:
  1 43 233 2039 10019 87677 475087 20428741
• Sum of all divisors σ(n): 21003840
• Sum of proper divisors (its aliquot sum) s(n): 575099
• 20428741 is a deficient number, because the sum of its proper divisors (575099) is less than itself. Its deficiency is 19853642

Bases of 20428741

• Binary: 1001101111011011111000101₂
• Hexadecimal: 0x137B7C5
• Base-36: C5UX1

Squares and roots of 20428741

• 20428741 squared (20428741²) is 417333458845081
• 20428741 cubed (20428741³) is 8525597141380318873021
• The square root of 20428741 is 4519.8164785753
• The cube root of 20428741 is 273.3677012439

Scales and comparisons

• 20,428,741 seconds is equal to 33 weeks, 5 days, 10 hours, 39 minutes, 1 second.
• To count from 1 to 20,428,741 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 20428741 cubic inches would be around 22.8 feet tall.

Recreational maths with 20428741

• 20428741 backwards is 14782402
• The number of decimal digits it has is: 8
• The sum of 20428741's digits is 28
• More coming soon!