# 7481

## 7,481 is a prime number. Like all primes greater than two, it is odd and has no factors apart from itself and one.

What does the number 7481 look like?

As a prime, it is not composed of any other numbers and has no internal structure.

7481 is a prime number. Like all primes (except two), it is an odd number.

## Prime factorization of 7481:

### 7481

See below for interesting mathematical facts about the number 7481 from the Numbermatics database.

### Names of 7481

• Cardinal: 7481 can be written as Seven thousand, four hundred eighty-one.

### Scientific notation

• Scientific notation: 7.481 × 103

### Factors of 7481

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 7481

### Divisors of 7481

• Number of divisors d(n): 2
• Complete list of divisors:
• Sum of all divisors σ(n): 7482
• Sum of proper divisors (its aliquot sum) s(n): 1
• 7481 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 7480

### Bases of 7481

• Binary: 11101001110012
• Base-36: 5RT

### Squares and roots of 7481

• 7481 squared (74812) is 55965361
• 7481 cubed (74813) is 418676865641
• The square root of 7481 is 86.4927742647
• The cube root of 7481 is 19.5577947871

### Scales and comparisons

How big is 7481?
• 7,481 seconds is equal to 2 hours, 4 minutes, 41 seconds.
• To count from 1 to 7,481 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 7481 cubic inches would be around 1.6 feet tall.

### Recreational maths with 7481

• 7481 backwards is 1847
• The number of decimal digits it has is: 4
• The sum of 7481's digits is 20
• More coming soon!