# 290

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

What does the number 290 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 8 divisors.

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

## Prime factorization of 290:

### 2 × 5 × 29

See below for interesting mathematical facts about the number 290 from the Numbermatics database.

### Names of 290

• Cardinal: 290 can be written as Two hundred ninety.

### Scientific notation

• Scientific notation: 2.9 × 102

### Factors of 290

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 36

### Divisors of 290

• Number of divisors d(n): 8
• Complete list of divisors:
• Sum of all divisors σ(n): 540
• Sum of proper divisors (its aliquot sum) s(n): 250
• 290 is a deficient number, because the sum of its proper divisors (250) is less than itself. Its deficiency is 40

### Bases of 290

• Binary: 1001000102
• Base-36: 82

### Squares and roots of 290

• 290 squared (2902) is 84100
• 290 cubed (2903) is 24389000
• The square root of 290 is 17.0293863659
• The cube root of 290 is 6.6191059481

### Scales and comparisons

How big is 290?
• 290 seconds is equal to 4 minutes, 50 seconds.
• To count from 1 to 290 would take you about two 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 290 cubic inches would be around 0.6 feet tall.

### Recreational maths with 290

• 290 backwards is 092
• The number of decimal digits it has is: 3
• The sum of 290's digits is 11
• More coming soon!