# 28700

## 28,700 is an even composite number composed of four prime numbers multiplied together.

What does the number 28700 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 36 divisors.

28700 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of thirty-six divisors.

## Prime factorization of 28700:

### 22 × 52 × 7 × 41

(2 × 2 × 5 × 5 × 7 × 41)

See below for interesting mathematical facts about the number 28700 from the Numbermatics database.

### Names of 28700

• Cardinal: 28700 can be written as Twenty-eight thousand, seven hundred.

### Scientific notation

• Scientific notation: 2.87 × 104

### Factors of 28700

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 55

### Divisors of 28700

• Number of divisors d(n): 36
• Complete list of divisors:
• Sum of all divisors σ(n): 72912
• Sum of proper divisors (its aliquot sum) s(n): 44212
• 28700 is an abundant number, because the sum of its proper divisors (44212) is greater than itself. Its abundance is 15512

### Bases of 28700

• Binary: 1110000000111002
• Base-36: M58

### Squares and roots of 28700

• 28700 squared (287002) is 823690000
• 28700 cubed (287003) is 23639903000000
• The square root of 28700 is 169.4107434609
• The cube root of 28700 is 30.6168588661

### Scales and comparisons

How big is 28700?
• 28,700 seconds is equal to 7 hours, 58 minutes, 20 seconds.
• To count from 1 to 28,700 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 28700 cubic inches would be around 2.6 feet tall.

### Recreational maths with 28700

• 28700 backwards is 00782
• The number of decimal digits it has is: 5
• The sum of 28700's digits is 17
• More coming soon!