# 16816

## 16,816 is an even composite number composed of two prime numbers multiplied together.

What does the number 16816 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 10 divisors.

16816 is an even composite number. It is composed of two distinct prime numbers multiplied together. It has a total of ten divisors.

## Prime factorization of 16816:

### 24 × 1051

(2 × 2 × 2 × 2 × 1051)

See below for interesting mathematical facts about the number 16816 from the Numbermatics database.

### Names of 16816

• Cardinal: 16816 can be written as Sixteen thousand, eight hundred sixteen.

### Scientific notation

• Scientific notation: 1.6816 × 104

### Factors of 16816

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 1053

### Divisors of 16816

• Number of divisors d(n): 10
• Complete list of divisors:
• Sum of all divisors σ(n): 32612
• Sum of proper divisors (its aliquot sum) s(n): 15796
• 16816 is a deficient number, because the sum of its proper divisors (15796) is less than itself. Its deficiency is 1020

### Bases of 16816

• Binary: 1000001101100002
• Base-36: CZ4

### Squares and roots of 16816

• 16816 squared (168162) is 282777856
• 16816 cubed (168163) is 4755192426496
• The square root of 16816 is 129.6765206195
• The cube root of 16816 is 25.6197113813

### Scales and comparisons

How big is 16816?
• 16,816 seconds is equal to 4 hours, 40 minutes, 16 seconds.
• To count from 1 to 16,816 would take you about four 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 16816 cubic inches would be around 2.1 feet tall.

### Recreational maths with 16816

• 16816 backwards is 61861
• The number of decimal digits it has is: 5
• The sum of 16816's digits is 22
• More coming soon!

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