# 21676

## 21,676 is an even composite number composed of two prime numbers multiplied together.

What does the number 21676 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 6 divisors.

21676 is an even composite number. It is composed of two distinct prime numbers multiplied together. It has a total of six divisors.

## Prime factorization of 21676:

### 22 × 5419

(2 × 2 × 5419)

See below for interesting mathematical facts about the number 21676 from the Numbermatics database.

### Names of 21676

• Cardinal: 21676 can be written as Twenty-one thousand, six hundred seventy-six.

### Scientific notation

• Scientific notation: 2.1676 × 104

### Factors of 21676

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 5421

### Divisors of 21676

• Number of divisors d(n): 6
• Complete list of divisors:
• Sum of all divisors σ(n): 37940
• Sum of proper divisors (its aliquot sum) s(n): 16264
• 21676 is a deficient number, because the sum of its proper divisors (16264) is less than itself. Its deficiency is 5412

### Bases of 21676

• Binary: 1010100101011002
• Base-36: GQ4

### Squares and roots of 21676

• 21676 squared (216762) is 469848976
• 21676 cubed (216763) is 10184446403776
• The square root of 21676 is 147.2277147823
• The cube root of 21676 is 27.8821578005

### Scales and comparisons

How big is 21676?
• 21,676 seconds is equal to 6 hours, 1 minute, 16 seconds.
• To count from 1 to 21,676 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 21676 cubic inches would be around 2.3 feet tall.

### Recreational maths with 21676

• 21676 backwards is 67612
• The number of decimal digits it has is: 5
• The sum of 21676's digits is 22
• More coming soon!