20668

20,668 is an even composite number composed of two prime numbers multiplied together.

What does the number 20668 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 6 divisors.

20668 is an even composite number. It is composed of two distinct prime numbers multiplied together. It has a total of six divisors.

Prime factorization of 20668:

2² × 5167

(2 × 2 × 5167)

See below for interesting mathematical facts about the number 20668 from the Numbermatics database.

Names of 20668

Cardinal: 20668 can be written as Twenty thousand, six hundred sixty-eight.

Scientific notation

Scientific notation: 2.0668 × 10⁴

Factors of 20668

Number of distinct prime factors ω(n): 2
Total number of prime factors Ω(n): 3
Sum of prime factors: 5169

Divisors of 20668

Number of divisors d(n): 6
Complete list of divisors:
1 2 4 5167 10334 20668
Sum of all divisors σ(n): 36176
Sum of proper divisors (its aliquot sum) s(n): 15508
20668 is a deficient number, because the sum of its proper divisors (15508) is less than itself. Its deficiency is 5160

Bases of 20668

Binary: 101000010111100₂
Hexadecimal: 0x50BC
Base-36: FY4

Squares and roots of 20668

20668 squared (20668²) is 427166224
20668 cubed (20668³) is 8828671517632
The square root of 20668 is 143.7636949997
The cube root of 20668 is 27.4430778507

Scales and comparisons

How big is 20668?

20,668 seconds is equal to 5 hours, 44 minutes, 28 seconds.
To count from 1 to 20,668 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 20668 cubic inches would be around 2.3 feet tall.

Recreational maths with 20668

20668 backwards is 86602
The number of decimal digits it has is: 5
The sum of 20668's digits is 22
More coming soon!

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The information we have on file for 20668 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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