# 7228

## 7,228 is an even composite number composed of three prime numbers multiplied together.

What does the number 7228 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 12 divisors.

7228 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twelve divisors.

## Prime factorization of 7228:

### 22 × 13 × 139

(2 × 2 × 13 × 139)

See below for interesting mathematical facts about the number 7228 from the Numbermatics database.

### Names of 7228

• Cardinal: 7228 can be written as Seven thousand, two hundred twenty-eight.

### Scientific notation

• Scientific notation: 7.228 × 103

### Factors of 7228

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 154

### Divisors of 7228

• Number of divisors d(n): 12
• Complete list of divisors:
• Sum of all divisors σ(n): 13720
• Sum of proper divisors (its aliquot sum) s(n): 6492
• 7228 is a deficient number, because the sum of its proper divisors (6492) is less than itself. Its deficiency is 736

### Bases of 7228

• Binary: 11100001111002
• Base-36: 5KS

### Squares and roots of 7228

• 7228 squared (72282) is 52243984
• 7228 cubed (72283) is 377619516352
• The square root of 7228 is 85.0176452273
• The cube root of 7228 is 19.3347865205

### Scales and comparisons

How big is 7228?
• 7,228 seconds is equal to 2 hours, 28 seconds.
• To count from 1 to 7,228 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 7228 cubic inches would be around 1.6 feet tall.

### Recreational maths with 7228

• 7228 backwards is 8227
• The number of decimal digits it has is: 4
• The sum of 7228's digits is 19
• More coming soon!