21416

21,416 is an even composite number composed of two prime numbers multiplied together.

What does the number 21416 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 8 divisors.

21416 is an even composite number. It is composed of two distinct prime numbers multiplied together. It has a total of eight divisors.

Prime factorization of 21416:

2³ × 2677

(2 × 2 × 2 × 2677)

See below for interesting mathematical facts about the number 21416 from the Numbermatics database.

Names of 21416

Cardinal: 21416 can be written as Twenty-one thousand, four hundred sixteen.

Scientific notation

Scientific notation: 2.1416 × 10⁴

Factors of 21416

Number of distinct prime factors ω(n): 2
Total number of prime factors Ω(n): 4
Sum of prime factors: 2679

Divisors of 21416

Number of divisors d(n): 8
Complete list of divisors:
1 2 4 8 2677 5354 10708 21416
Sum of all divisors σ(n): 40170
Sum of proper divisors (its aliquot sum) s(n): 18754
21416 is a deficient number, because the sum of its proper divisors (18754) is less than itself. Its deficiency is 2662

Bases of 21416

Binary: 101001110101000₂
Hexadecimal: 0x53A8
Base-36: GIW

Squares and roots of 21416

21416 squared (21416²) is 458645056
21416 cubed (21416³) is 9822342519296
The square root of 21416 is 146.3420650395
The cube root of 21416 is 27.7702284669

Scales and comparisons

How big is 21416?

21,416 seconds is equal to 5 hours, 56 minutes, 56 seconds.
To count from 1 to 21,416 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 21416 cubic inches would be around 2.3 feet tall.

Recreational maths with 21416

21416 backwards is 61412
The number of decimal digits it has is: 5
The sum of 21416's digits is 14
More coming soon!

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The information we have on file for 21416 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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