# 19664

## 19,664 is an even composite number composed of two prime numbers multiplied together.

What does the number 19664 look like?

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

19664 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 19664:

### 24 × 1229

(2 × 2 × 2 × 2 × 1229)

See below for interesting mathematical facts about the number 19664 from the Numbermatics database.

### Names of 19664

• Cardinal: 19664 can be written as Nineteen thousand, six hundred sixty-four.

### Scientific notation

• Scientific notation: 1.9664 × 104

### Factors of 19664

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 1231

### Divisors of 19664

• Number of divisors d(n): 10
• Complete list of divisors:
• Sum of all divisors σ(n): 38130
• Sum of proper divisors (its aliquot sum) s(n): 18466
• 19664 is a deficient number, because the sum of its proper divisors (18466) is less than itself. Its deficiency is 1198

### Bases of 19664

• Binary: 1001100110100002
• Base-36: F68

### Squares and roots of 19664

• 19664 squared (196642) is 386672896
• 19664 cubed (196643) is 7603535826944
• The square root of 19664 is 140.2283851437
• The cube root of 19664 is 26.9913095029

### Scales and comparisons

How big is 19664?
• 19,664 seconds is equal to 5 hours, 27 minutes, 44 seconds.
• To count from 1 to 19,664 would take you about five 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 19664 cubic inches would be around 2.2 feet tall.

### Recreational maths with 19664

• 19664 backwards is 46691
• The number of decimal digits it has is: 5
• The sum of 19664's digits is 26
• More coming soon!