# 7216

## 7,216 is an even composite number composed of three prime numbers multiplied together.

What does the number 7216 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 20 divisors.

7216 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twenty divisors.

## Prime factorization of 7216:

### 24 × 11 × 41

(2 × 2 × 2 × 2 × 11 × 41)

See below for interesting mathematical facts about the number 7216 from the Numbermatics database.

### Names of 7216

• Cardinal: 7216 can be written as Seven thousand, two hundred sixteen.

### Scientific notation

• Scientific notation: 7.216 × 103

### Factors of 7216

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 54

### Divisors of 7216

• Number of divisors d(n): 20
• Complete list of divisors:
• Sum of all divisors σ(n): 15624
• Sum of proper divisors (its aliquot sum) s(n): 8408
• 7216 is an abundant number, because the sum of its proper divisors (8408) is greater than itself. Its abundance is 1192

### Bases of 7216

• Binary: 11100001100002
• Base-36: 5KG

### Squares and roots of 7216

• 7216 squared (72162) is 52070656
• 7216 cubed (72163) is 375741853696
• The square root of 7216 is 84.9470423263
• The cube root of 7216 is 19.3240806563

### Scales and comparisons

How big is 7216?
• 7,216 seconds is equal to 2 hours, 16 seconds.
• To count from 1 to 7,216 would take you about two 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 7216 cubic inches would be around 1.6 feet tall.

### Recreational maths with 7216

• 7216 backwards is 6127
• 7216 is a Harshad number.
• The number of decimal digits it has is: 4
• The sum of 7216's digits is 16
• More coming soon!