# 28864

## 28,864 is an even composite number composed of three prime numbers multiplied together.

What does the number 28864 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 28 divisors.

28864 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twenty-eight divisors.

## Prime factorization of 28864:

### 26 × 11 × 41

(2 × 2 × 2 × 2 × 2 × 2 × 11 × 41)

See below for interesting mathematical facts about the number 28864 from the Numbermatics database.

### Names of 28864

• Cardinal: 28864 can be written as Twenty-eight thousand, eight hundred sixty-four.

### Scientific notation

• Scientific notation: 2.8864 × 104

### Factors of 28864

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 54

### Divisors of 28864

• Number of divisors d(n): 28
• Complete list of divisors:
• Sum of all divisors σ(n): 64008
• Sum of proper divisors (its aliquot sum) s(n): 35144
• 28864 is an abundant number, because the sum of its proper divisors (35144) is greater than itself. Its abundance is 6280

### Bases of 28864

• Binary: 1110000110000002
• Hexadecimal: 0x70C0
• Base-36: M9S

### Squares and roots of 28864

• 28864 squared (288642) is 833130496
• 28864 cubed (288643) is 24047478636544
• The square root of 28864 is 169.8940846529
• The cube root of 28864 is 30.6750659623

### Scales and comparisons

How big is 28864?
• 28,864 seconds is equal to 8 hours, 1 minute, 4 seconds.
• To count from 1 to 28,864 would take you about eight 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 28864 cubic inches would be around 2.6 feet tall.

### Recreational maths with 28864

• 28864 backwards is 46882
• The number of decimal digits it has is: 5
• The sum of 28864's digits is 28
• More coming soon!

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The information we have on file for 28864 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!

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