# 21160

## 21,160 is an even composite number composed of three prime numbers multiplied together.

What does the number 21160 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 24 divisors.

21160 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twenty-four divisors.

## Prime factorization of 21160:

### 23 × 5 × 232

(2 × 2 × 2 × 5 × 23 × 23)

See below for interesting mathematical facts about the number 21160 from the Numbermatics database.

### Names of 21160

• Cardinal: 21160 can be written as Twenty-one thousand, one hundred sixty.

### Scientific notation

• Scientific notation: 2.116 × 104

### Factors of 21160

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 30

### Divisors of 21160

• Number of divisors d(n): 24
• Complete list of divisors:
• Sum of all divisors σ(n): 49770
• Sum of proper divisors (its aliquot sum) s(n): 28610
• 21160 is an abundant number, because the sum of its proper divisors (28610) is greater than itself. Its abundance is 7450

### Bases of 21160

• Binary: 1010010101010002
• Base-36: GBS

### Squares and roots of 21160

• 21160 squared (211602) is 447745600
• 21160 cubed (211603) is 9474296896000
• The square root of 21160 is 145.4647723679
• The cube root of 21160 is 27.6591324787

### Scales and comparisons

How big is 21160?
• 21,160 seconds is equal to 5 hours, 52 minutes, 40 seconds.
• To count from 1 to 21,160 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 21160 cubic inches would be around 2.3 feet tall.

### Recreational maths with 21160

• 21160 backwards is 06112
• 21160 is a Harshad number.
• The number of decimal digits it has is: 5
• The sum of 21160's digits is 10
• More coming soon!