# 9940

## 9,940 is an even composite number composed of four prime numbers multiplied together.

What does the number 9940 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 24 divisors.

9940 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of twenty-four divisors.

## Prime factorization of 9940:

### 22 × 5 × 7 × 71

(2 × 2 × 5 × 7 × 71)

See below for interesting mathematical facts about the number 9940 from the Numbermatics database.

### Names of 9940

• Cardinal: 9940 can be written as Nine thousand, nine hundred forty.

### Scientific notation

• Scientific notation: 9.94 × 103

### Factors of 9940

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 85

### Divisors of 9940

• Number of divisors d(n): 24
• Complete list of divisors:
• Sum of all divisors σ(n): 24192
• Sum of proper divisors (its aliquot sum) s(n): 14252
• 9940 is an abundant number, because the sum of its proper divisors (14252) is greater than itself. Its abundance is 4312

### Bases of 9940

• Binary: 100110110101002
• Base-36: 7O4

### Squares and roots of 9940

• 9940 squared (99402) is 98803600
• 9940 cubed (99403) is 982107784000
• The square root of 9940 is 99.6995486451
• The cube root of 9940 is 21.5011717407

### Scales and comparisons

How big is 9940?
• 9,940 seconds is equal to 2 hours, 45 minutes, 40 seconds.
• To count from 1 to 9,940 would take you about two 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 9940 cubic inches would be around 1.8 feet tall.

### Recreational maths with 9940

• 9940 backwards is 0499
• The number of decimal digits it has is: 4
• The sum of 9940's digits is 22
• More coming soon!