# 7120

## 7,120 is an even composite number composed of three prime numbers multiplied together.

What does the number 7120 look like?

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

7120 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 7120:

### 24 × 5 × 89

(2 × 2 × 2 × 2 × 5 × 89)

See below for interesting mathematical facts about the number 7120 from the Numbermatics database.

### Names of 7120

• Cardinal: 7120 can be written as Seven thousand, one hundred twenty.

### Scientific notation

• Scientific notation: 7.12 × 103

### Factors of 7120

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 96

### Divisors of 7120

• Number of divisors d(n): 20
• Complete list of divisors:
• Sum of all divisors σ(n): 16740
• Sum of proper divisors (its aliquot sum) s(n): 9620
• 7120 is an abundant number, because the sum of its proper divisors (9620) is greater than itself. Its abundance is 2500

### Bases of 7120

• Binary: 11011110100002
• Base-36: 5HS

### Squares and roots of 7120

• 7120 squared (71202) is 50694400
• 7120 cubed (71203) is 360944128000
• The square root of 7120 is 84.3800924389
• The cube root of 7120 is 19.2380034321

### Scales and comparisons

How big is 7120?
• 7,120 seconds is equal to 1 hour, 58 minutes, 40 seconds.
• To count from 1 to 7,120 would take you about fifty-eight 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 7120 cubic inches would be around 1.6 feet tall.

### Recreational maths with 7120

• 7120 backwards is 0217
• 7120 is a Harshad number.
• The number of decimal digits it has is: 4
• The sum of 7120's digits is 10
• More coming soon!

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