# 21834

## 21,834 is an even composite number composed of three prime numbers multiplied together.

What does the number 21834 look like?

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

21834 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twelve divisors.

## Prime factorization of 21834:

### 2 × 32 × 1213

(2 × 3 × 3 × 1213)

See below for interesting mathematical facts about the number 21834 from the Numbermatics database.

### Names of 21834

• Cardinal: 21834 can be written as Twenty-one thousand, eight hundred thirty-four.

### Scientific notation

• Scientific notation: 2.1834 × 104

### Factors of 21834

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 1218

### Divisors of 21834

• Number of divisors d(n): 12
• Complete list of divisors:
• Sum of all divisors σ(n): 47346
• Sum of proper divisors (its aliquot sum) s(n): 25512
• 21834 is an abundant number, because the sum of its proper divisors (25512) is greater than itself. Its abundance is 3678

### Bases of 21834

• Binary: 1010101010010102
• Base-36: GUI

### Squares and roots of 21834

• 21834 squared (218342) is 476723556
• 21834 cubed (218343) is 10408782121704
• The square root of 21834 is 147.7633242723
• The cube root of 21834 is 27.9497397685

### Scales and comparisons

How big is 21834?
• 21,834 seconds is equal to 6 hours, 3 minutes, 54 seconds.
• To count from 1 to 21,834 would take you about six 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 21834 cubic inches would be around 2.3 feet tall.

### Recreational maths with 21834

• 21834 backwards is 43812
• 21834 is a Harshad number.
• The number of decimal digits it has is: 5
• The sum of 21834's digits is 18
• More coming soon!

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The information we have on file for 21834 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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