# 2816

## 2,816 is an even composite number composed of two prime numbers multiplied together.

What does the number 2816 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 18 divisors.

2816 is an even composite number. It is composed of two distinct prime numbers multiplied together. It has a total of eighteen divisors.

## Prime factorization of 2816:

### 28 × 11

(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 11)

See below for interesting mathematical facts about the number 2816 from the Numbermatics database.

### Names of 2816

• Cardinal: 2816 can be written as Two thousand, eight hundred sixteen.

### Scientific notation

• Scientific notation: 2.816 × 103

### Factors of 2816

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

### Divisors of 2816

• Number of divisors d(n): 18
• Complete list of divisors:
• Sum of all divisors σ(n): 6132
• Sum of proper divisors (its aliquot sum) s(n): 3316
• 2816 is an abundant number, because the sum of its proper divisors (3316) is greater than itself. Its abundance is 500

### Bases of 2816

• Binary: 1011000000002
• Base-36: 268

### Squares and roots of 2816

• 2816 squared (28162) is 7929856
• 2816 cubed (28163) is 22330474496
• The square root of 2816 is 53.0659966457
• The cube root of 2816 is 14.1213933413

### Scales and comparisons

How big is 2816?
• 2,816 seconds is equal to 46 minutes, 56 seconds.
• To count from 1 to 2,816 would take you about forty-six minutes.

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 2816 cubic inches would be around 1.2 feet tall.

### Recreational maths with 2816

• 2816 backwards is 6182
• The number of decimal digits it has is: 4
• The sum of 2816's digits is 17
• More coming soon!

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The information we have on file for 2816 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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