# 6638

## 6,638 is an even composite number composed of two prime numbers multiplied together.

What does the number 6638 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 4 divisors.

6638 is an even composite number. It is composed of two distinct prime numbers multiplied together. It has a total of four divisors.

## Prime factorization of 6638:

### 2 × 3319

See below for interesting mathematical facts about the number 6638 from the Numbermatics database.

### Names of 6638

• Cardinal: 6638 can be written as Six thousand, six hundred thirty-eight.

### Scientific notation

• Scientific notation: 6.638 × 103

### Factors of 6638

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 3321

### Divisors of 6638

• Number of divisors d(n): 4
• Complete list of divisors:
• Sum of all divisors σ(n): 9960
• Sum of proper divisors (its aliquot sum) s(n): 3322
• 6638 is a deficient number, because the sum of its proper divisors (3322) is less than itself. Its deficiency is 3316

### Bases of 6638

• Binary: 11001111011102
• Base-36: 54E

### Squares and roots of 6638

• 6638 squared (66382) is 44063044
• 6638 cubed (66383) is 292490486072
• The square root of 6638 is 81.4739222083
• The cube root of 6638 is 18.7937054525

### Scales and comparisons

How big is 6638?
• 6,638 seconds is equal to 1 hour, 50 minutes, 38 seconds.
• To count from 1 to 6,638 would take you about fifty minutes.

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 6638 cubic inches would be around 1.6 feet tall.

### Recreational maths with 6638

• 6638 backwards is 8366
• The number of decimal digits it has is: 4
• The sum of 6638's digits is 23
• More coming soon!