20556

20,556 is an even composite number composed of three prime numbers multiplied together.

What does the number 20556 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 18 divisors.

20556 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of eighteen divisors.

Prime factorization of 20556:

2² × 3² × 571

(2 × 2 × 3 × 3 × 571)

See below for interesting mathematical facts about the number 20556 from the Numbermatics database.

Names of 20556

Cardinal: 20556 can be written as Twenty thousand, five hundred fifty-six.

Scientific notation

Scientific notation: 2.0556 × 10⁴

Factors of 20556

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 5
Sum of prime factors: 576

Divisors of 20556

Number of divisors d(n): 18
Complete list of divisors:
1 2 3 4 6 9 12 18 36 571 1142 1713 2284 3426 5139 6852 10278 20556
Sum of all divisors σ(n): 52052
Sum of proper divisors (its aliquot sum) s(n): 31496
20556 is an abundant number, because the sum of its proper divisors (31496) is greater than itself. Its abundance is 10940

Bases of 20556

Binary: 101000001001100₂
Hexadecimal: 0x504C
Base-36: FV0

Squares and roots of 20556

20556 squared (20556²) is 422549136
20556 cubed (20556³) is 8685920039616
The square root of 20556 is 143.3736377441
The cube root of 20556 is 27.3934166435

Scales and comparisons

How big is 20556?

20,556 seconds is equal to 5 hours, 42 minutes, 36 seconds.
To count from 1 to 20,556 would take you about five hours.

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 20556 cubic inches would be around 2.3 feet tall.

Recreational maths with 20556

20556 backwards is 65502
20556 is a Harshad number.
The number of decimal digits it has is: 5
The sum of 20556's digits is 18
More coming soon!

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The information we have on file for 20556 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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