# 13994640

## 13,994,640 is an even composite number composed of six prime numbers multiplied together.

What does the number 13994640 look like?

This visualization shows the relationship between its 6 prime factors (large circles) and 320 divisors.

13994640 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred twenty divisors.

## Prime factorization of 13994640:

### 24 × 33 × 5 × 11 × 19 × 31

(2 × 2 × 2 × 2 × 3 × 3 × 3 × 5 × 11 × 19 × 31)

See below for interesting mathematical facts about the number 13994640 from the Numbermatics database.

### Names of 13994640

• Cardinal: 13994640 can be written as Thirteen million, nine hundred ninety-four thousand, six hundred forty.

### Scientific notation

• Scientific notation: 1.399464 × 107

### Factors of 13994640

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 71

### Divisors of 13994640

• Number of divisors d(n): 320
• Complete list of divisors:
• Sum of all divisors σ(n): 57139200
• Sum of proper divisors (its aliquot sum) s(n): 43144560
• 13994640 is an abundant number, because the sum of its proper divisors (43144560) is greater than itself. Its abundance is 29149920

### Bases of 13994640

• Binary: 1101010110001010100100002
• Base-36: 8BYC0

### Squares and roots of 13994640

• 13994640 squared (139946402) is 195849948729600
• 13994640 cubed (139946403) is 2740849526489209344000
• The square root of 13994640 is 3740.9410580761
• The cube root of 13994640 is 240.9834644855

### Scales and comparisons

How big is 13994640?
• 13,994,640 seconds is equal to 23 weeks, 23 hours, 24 minutes.
• To count from 1 to 13,994,640 would take you about thirty-four weeks!

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 13994640 cubic inches would be around 20.1 feet tall.

### Recreational maths with 13994640

• 13994640 backwards is 04649931
• 13994640 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 13994640's digits is 36
• More coming soon!