# 28512

## 28,512 is an even composite number composed of three prime numbers multiplied together.

What does the number 28512 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 60 divisors.

28512 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of sixty divisors.

## Prime factorization of 28512:

### 25 × 34 × 11

(2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 11)

See below for interesting mathematical facts about the number 28512 from the Numbermatics database.

### Names of 28512

• Cardinal: 28512 can be written as Twenty-eight thousand, five hundred twelve.

### Scientific notation

• Scientific notation: 2.8512 × 104

### Factors of 28512

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 16

### Divisors of 28512

• Number of divisors d(n): 60
• Complete list of divisors:
• Sum of all divisors σ(n): 91476
• Sum of proper divisors (its aliquot sum) s(n): 62964
• 28512 is an abundant number, because the sum of its proper divisors (62964) is greater than itself. Its abundance is 34452

### Bases of 28512

• Binary: 1101111011000002
• Base-36: M00

### Squares and roots of 28512

• 28512 squared (285122) is 812934144
• 28512 cubed (285123) is 23178378313728
• The square root of 28512 is 168.8549673537
• The cube root of 28512 is 30.5498602179

### Scales and comparisons

How big is 28512?
• 28,512 seconds is equal to 7 hours, 55 minutes, 12 seconds.
• To count from 1 to 28,512 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 28512 cubic inches would be around 2.5 feet tall.

### Recreational maths with 28512

• 28512 backwards is 21582
• 28512 is a Harshad number.
• The number of decimal digits it has is: 5
• The sum of 28512's digits is 18
• More coming soon!