# 1816

## 1,816 is an even composite number composed of two prime numbers multiplied together.

What does the number 1816 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 8 divisors.

1816 is an even composite number. It is composed of two distinct prime numbers multiplied together. It has a total of eight divisors.

## Prime factorization of 1816:

### 23 × 227

(2 × 2 × 2 × 227)

See below for interesting mathematical facts about the number 1816 from the Numbermatics database.

### Names of 1816

• Cardinal: 1816 can be written as One thousand, eight hundred sixteen.

### Scientific notation

• Scientific notation: 1.816 × 103

### Factors of 1816

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 229

### Divisors of 1816

• Number of divisors d(n): 8
• Complete list of divisors:
• Sum of all divisors σ(n): 3420
• Sum of proper divisors (its aliquot sum) s(n): 1604
• 1816 is a deficient number, because the sum of its proper divisors (1604) is less than itself. Its deficiency is 212

### Bases of 1816

• Binary: 111000110002
• Base-36: 1EG

### Squares and roots of 1816

• 1816 squared (18162) is 3297856
• 1816 cubed (18163) is 5988906496
• The square root of 1816 is 42.6145515053
• The cube root of 1816 is 12.2003404007

### Scales and comparisons

How big is 1816?
• 1,816 seconds is equal to 30 minutes, 16 seconds.
• To count from 1 to 1,816 would take you about thirty 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 1816 cubic inches would be around 1 feet tall.

### Recreational maths with 1816

• 1816 backwards is 6181
• The number of decimal digits it has is: 4
• The sum of 1816's digits is 16
• More coming soon!

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"Number 1816 - Facts about the integer". Numbermatics.com. 2021. Web. 28 November 2021.

APA style:
Numbermatics. (2021). Number 1816 - Facts about the integer. Retrieved 28 November 2021, from https://numbermatics.com/n/1816/

Chicago style:
Numbermatics. 2021. "Number 1816 - Facts about the integer". https://numbermatics.com/n/1816/

The information we have on file for 1816 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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