# 7290

## 7,290 is an even composite number composed of three prime numbers multiplied together.

What does the number 7290 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 28 divisors.

7290 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twenty-eight divisors.

## Prime factorization of 7290:

### 2 × 36 × 5

(2 × 3 × 3 × 3 × 3 × 3 × 3 × 5)

See below for interesting mathematical facts about the number 7290 from the Numbermatics database.

### Names of 7290

• Cardinal: 7290 can be written as Seven thousand, two hundred ninety.

### Scientific notation

• Scientific notation: 7.29 × 103

### Factors of 7290

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 10

### Divisors of 7290

• Number of divisors d(n): 28
• Complete list of divisors:
• Sum of all divisors σ(n): 19674
• Sum of proper divisors (its aliquot sum) s(n): 12384
• 7290 is an abundant number, because the sum of its proper divisors (12384) is greater than itself. Its abundance is 5094

### Bases of 7290

• Binary: 11100011110102
• Base-36: 5MI

### Squares and roots of 7290

• 7290 squared (72902) is 53144100
• 7290 cubed (72903) is 387420489000
• The square root of 7290 is 85.3814968247
• The cube root of 7290 is 19.3899122103

### Scales and comparisons

How big is 7290?
• 7,290 seconds is equal to 2 hours, 1 minute, 30 seconds.
• To count from 1 to 7,290 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 7290 cubic inches would be around 1.6 feet tall.

### Recreational maths with 7290

• 7290 backwards is 0927
• 7290 is a Harshad number.
• The number of decimal digits it has is: 4
• The sum of 7290's digits is 18
• More coming soon!