# 3218

## 3,218 is an even composite number composed of two prime numbers multiplied together.

What does the number 3218 look like?

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

3218 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 3218:

### 2 × 1609

See below for interesting mathematical facts about the number 3218 from the Numbermatics database.

### Names of 3218

• Cardinal: 3218 can be written as Three thousand, two hundred eighteen.

### Scientific notation

• Scientific notation: 3.218 × 103

### Factors of 3218

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 1611

### Divisors of 3218

• Number of divisors d(n): 4
• Complete list of divisors:
• Sum of all divisors σ(n): 4830
• Sum of proper divisors (its aliquot sum) s(n): 1612
• 3218 is a deficient number, because the sum of its proper divisors (1612) is less than itself. Its deficiency is 1606

### Bases of 3218

• Binary: 1100100100102
• Base-36: 2HE

### Squares and roots of 3218

• 3218 squared (32182) is 10355524
• 3218 cubed (32183) is 33324076232
• The square root of 3218 is 56.7274184147
• The cube root of 3218 is 14.7637045855

### Scales and comparisons

How big is 3218?
• 3,218 seconds is equal to 53 minutes, 38 seconds.
• To count from 1 to 3,218 would take you about fifty-three 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 3218 cubic inches would be around 1.2 feet tall.

### Recreational maths with 3218

• 3218 backwards is 8123
• The number of decimal digits it has is: 4
• The sum of 3218's digits is 14
• More coming soon!

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