21413

21,413 is an odd composite number composed of three prime numbers multiplied together.

What does the number 21413 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 12 divisors.

21413 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twelve divisors.

Prime factorization of 21413:

7² × 19 × 23

(7 × 7 × 19 × 23)

See below for interesting mathematical facts about the number 21413 from the Numbermatics database.

Names of 21413

Cardinal: 21413 can be written as Twenty-one thousand, four hundred thirteen.

Scientific notation

Scientific notation: 2.1413 × 10⁴

Factors of 21413

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 4
Sum of prime factors: 49

Divisors of 21413

Number of divisors d(n): 12
Complete list of divisors:
1 7 19 23 49 133 161 437 931 1127 3059 21413
Sum of all divisors σ(n): 27360
Sum of proper divisors (its aliquot sum) s(n): 5947
21413 is a deficient number, because the sum of its proper divisors (5947) is less than itself. Its deficiency is 15466

Bases of 21413

Binary: 101001110100101₂
Hexadecimal: 0x53A5
Base-36: GIT

Squares and roots of 21413

21413 squared (21413²) is 458516569
21413 cubed (21413³) is 9818215291997
The square root of 21413 is 146.3318147225
The cube root of 21413 is 27.7689317015

Scales and comparisons

How big is 21413?

21,413 seconds is equal to 5 hours, 56 minutes, 53 seconds.
To count from 1 to 21,413 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 21413 cubic inches would be around 2.3 feet tall.

Recreational maths with 21413

21413 backwards is 31412
The number of decimal digits it has is: 5
The sum of 21413's digits is 11
More coming soon!

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The information we have on file for 21413 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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