# 18964

## 18,964 is an even composite number composed of three prime numbers multiplied together.

What does the number 18964 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 12 divisors.

18964 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twelve divisors.

## Prime factorization of 18964:

### 22 × 11 × 431

(2 × 2 × 11 × 431)

See below for interesting mathematical facts about the number 18964 from the Numbermatics database.

### Names of 18964

• Cardinal: 18964 can be written as Eighteen thousand, nine hundred sixty-four.

### Scientific notation

• Scientific notation: 1.8964 × 104

### Factors of 18964

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 444

### Divisors of 18964

• Number of divisors d(n): 12
• Complete list of divisors:
• Sum of all divisors σ(n): 36288
• Sum of proper divisors (its aliquot sum) s(n): 17324
• 18964 is a deficient number, because the sum of its proper divisors (17324) is less than itself. Its deficiency is 1640

### Bases of 18964

• Binary: 1001010000101002
• Base-36: EMS

### Squares and roots of 18964

• 18964 squared (189642) is 359633296
• 18964 cubed (189643) is 6820085825344
• The square root of 18964 is 137.7098398805
• The cube root of 18964 is 26.6671527689

### Scales and comparisons

How big is 18964?
• 18,964 seconds is equal to 5 hours, 16 minutes, 4 seconds.
• To count from 1 to 18,964 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 18964 cubic inches would be around 2.2 feet tall.

### Recreational maths with 18964

• 18964 backwards is 46981
• The number of decimal digits it has is: 5
• The sum of 18964's digits is 28
• More coming soon!