# 28090

## 28,090 is an even composite number composed of three prime numbers multiplied together.

What does the number 28090 look like?

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

28090 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 28090:

### 2 × 5 × 532

(2 × 5 × 53 × 53)

See below for interesting mathematical facts about the number 28090 from the Numbermatics database.

### Names of 28090

• Cardinal: 28090 can be written as Twenty-eight thousand and ninety.

### Scientific notation

• Scientific notation: 2.809 × 104

### Factors of 28090

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 60

### Divisors of 28090

• Number of divisors d(n): 12
• Complete list of divisors:
• Sum of all divisors σ(n): 51534
• Sum of proper divisors (its aliquot sum) s(n): 23444
• 28090 is a deficient number, because the sum of its proper divisors (23444) is less than itself. Its deficiency is 4646

### Bases of 28090

• Binary: 1101101101110102
• Base-36: LOA

### Squares and roots of 28090

• 28090 squared (280902) is 789048100
• 28090 cubed (280903) is 22164361129000
• The square root of 28090 is 167.6007159889
• The cube root of 28090 is 30.3983898039

### Scales and comparisons

How big is 28090?
• 28,090 seconds is equal to 7 hours, 48 minutes, 10 seconds.
• To count from 1 to 28,090 would take you about seven 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 28090 cubic inches would be around 2.5 feet tall.

### Recreational maths with 28090

• 28090 backwards is 09082
• The number of decimal digits it has is: 5
• The sum of 28090's digits is 19
• More coming soon!