# 21252

## 21,252 is an even composite number composed of five prime numbers multiplied together.

What does the number 21252 look like?

This visualization shows the relationship between its 5 prime factors (large circles) and 48 divisors.

21252 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of forty-eight divisors.

## Prime factorization of 21252:

### 22 × 3 × 7 × 11 × 23

(2 × 2 × 3 × 7 × 11 × 23)

See below for interesting mathematical facts about the number 21252 from the Numbermatics database.

### Names of 21252

• Cardinal: 21252 can be written as Twenty-one thousand, two hundred fifty-two.

### Scientific notation

• Scientific notation: 2.1252 × 104

### Factors of 21252

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 46

### Divisors of 21252

• Number of divisors d(n): 48
• Complete list of divisors:
• Sum of all divisors σ(n): 64512
• Sum of proper divisors (its aliquot sum) s(n): 43260
• 21252 is an abundant number, because the sum of its proper divisors (43260) is greater than itself. Its abundance is 22008

### Bases of 21252

• Binary: 1010011000001002
• Base-36: GEC

### Squares and roots of 21252

• 21252 squared (212522) is 451647504
• 21252 cubed (212523) is 9598412755008
• The square root of 21252 is 145.7806571531
• The cube root of 21252 is 27.6991602225

### Scales and comparisons

How big is 21252?
• 21,252 seconds is equal to 5 hours, 54 minutes, 12 seconds.
• To count from 1 to 21,252 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 21252 cubic inches would be around 2.3 feet tall.

### Recreational maths with 21252

• 21252 backwards is 25212
• 21252 is a Harshad number.
• The number of decimal digits it has is: 5
• The sum of 21252's digits is 12
• More coming soon!