20771728

20,771,728 is an even composite number composed of three prime numbers multiplied together.

What does the number 20771728 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 20 divisors.

20771728 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twenty divisors.

Prime factorization of 20771728:

2⁴ × 157 × 8269

(2 × 2 × 2 × 2 × 157 × 8269)

See below for interesting mathematical facts about the number 20771728 from the Numbermatics database.

Names of 20771728

Cardinal: 20771728 can be written as Twenty million, seven hundred seventy-one thousand, seven hundred twenty-eight.

Scientific notation

Scientific notation: 2.0771728 × 10⁷

Factors of 20771728

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 6
Sum of prime factors: 8428

Divisors of 20771728

Number of divisors d(n): 20
Complete list of divisors:
1 2 4 8 16 157 314 628 1256 2512 8269 16538 33076 66152 132304 1298233 2596466 5192932 10385864 20771728
Sum of all divisors σ(n): 40506460
Sum of proper divisors (its aliquot sum) s(n): 19734732
20771728 is a deficient number, because the sum of its proper divisors (19734732) is less than itself. Its deficiency is 1036996

Bases of 20771728

Binary: 1001111001111001110010000₂
Hexadecimal: 0x13CF390
Base-36: CD7KG

Squares and roots of 20771728

20771728 squared (20771728²) is 431464684105984
20771728 cubed (20771728³) is 8962267059855422820352
The square root of 20771728 is 4557.6011233983
The cube root of 20771728 is 274.8891145233

Scales and comparisons

How big is 20771728?

20,771,728 seconds is equal to 34 weeks, 2 days, 9 hours, 55 minutes, 28 seconds.
To count from 1 to 20,771,728 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 20771728 cubic inches would be around 22.9 feet tall.

Recreational maths with 20771728

20771728 backwards is 82717702
The number of decimal digits it has is: 8
The sum of 20771728's digits is 34
More coming soon!

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The information we have on file for 20771728 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!

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