# 21952

## 21,952 is an even composite number composed of two prime numbers multiplied together.

What does the number 21952 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 28 divisors.

21952 is an even composite number. It is composed of two distinct prime numbers multiplied together. It has a total of twenty-eight divisors.

## Prime factorization of 21952:

### 26 × 73

(2 × 2 × 2 × 2 × 2 × 2 × 7 × 7 × 7)

See below for interesting mathematical facts about the number 21952 from the Numbermatics database.

### Names of 21952

• Cardinal: 21952 can be written as Twenty-one thousand, nine hundred fifty-two.

### Scientific notation

• Scientific notation: 2.1952 × 104

### Factors of 21952

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 9

### Divisors of 21952

• Number of divisors d(n): 28
• Complete list of divisors:
• Sum of all divisors σ(n): 50800
• Sum of proper divisors (its aliquot sum) s(n): 28848
• 21952 is an abundant number, because the sum of its proper divisors (28848) is greater than itself. Its abundance is 6896

### Bases of 21952

• Binary: 1010101110000002
• Base-36: GXS

### Squares and roots of 21952

• 21952 squared (219522) is 481890304
• 21952 cubed (219523) is 10578455953408
• The square root of 21952 is 148.1620734197
• 21952 is a perfect cube number. Its cube root is 28

### Scales and comparisons

How big is 21952?
• 21,952 seconds is equal to 6 hours, 5 minutes, 52 seconds.
• To count from 1 to 21,952 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 21952 cubic inches would be around 2.3 feet tall.

### Recreational maths with 21952

• 21952 backwards is 25912
• The number of decimal digits it has is: 5
• The sum of 21952's digits is 19
• More coming soon!