# 28672

## 28,672 is an even composite number composed of two prime numbers multiplied together.

What does the number 28672 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 26 divisors.

28672 is an even composite number. It is composed of two distinct prime numbers multiplied together. It has a total of twenty-six divisors.

## Prime factorization of 28672:

### 212 × 7

(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 7)

See below for interesting mathematical facts about the number 28672 from the Numbermatics database.

### Names of 28672

• Cardinal: 28672 can be written as Twenty-eight thousand, six hundred seventy-two.

### Scientific notation

• Scientific notation: 2.8672 × 104

### Factors of 28672

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 9

### Divisors of 28672

• Number of divisors d(n): 26
• Complete list of divisors:
• Sum of all divisors σ(n): 65528
• Sum of proper divisors (its aliquot sum) s(n): 36856
• 28672 is an abundant number, because the sum of its proper divisors (36856) is greater than itself. Its abundance is 8184

### Bases of 28672

• Binary: 1110000000000002
• Base-36: M4G

### Squares and roots of 28672

• 28672 squared (286722) is 822083584
• 28672 cubed (286723) is 23570780520448
• The square root of 28672 is 169.3280839083
• The cube root of 28672 is 30.6068989243

### Scales and comparisons

How big is 28672?
• 28,672 seconds is equal to 7 hours, 57 minutes, 52 seconds.
• To count from 1 to 28,672 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 28672 cubic inches would be around 2.6 feet tall.

### Recreational maths with 28672

• 28672 backwards is 27682
• The number of decimal digits it has is: 5
• The sum of 28672's digits is 25
• More coming soon!

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