# 6447

## 6,447 is an odd composite number composed of three prime numbers multiplied together.

What does the number 6447 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 8 divisors.

6447 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of eight divisors.

## Prime factorization of 6447:

### 3 × 7 × 307

See below for interesting mathematical facts about the number 6447 from the Numbermatics database.

### Names of 6447

• Cardinal: 6447 can be written as Six thousand, four hundred forty-seven.

### Scientific notation

• Scientific notation: 6.447 × 103

### Factors of 6447

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 317

### Divisors of 6447

• Number of divisors d(n): 8
• Complete list of divisors:
• Sum of all divisors σ(n): 9856
• Sum of proper divisors (its aliquot sum) s(n): 3409
• 6447 is a deficient number, because the sum of its proper divisors (3409) is less than itself. Its deficiency is 3038

### Bases of 6447

• Binary: 11001001011112
• Base-36: 4Z3

### Squares and roots of 6447

• 6447 squared (64472) is 41563809
• 6447 cubed (64473) is 267961876623
• The square root of 6447 is 80.2932126645
• The cube root of 6447 is 18.6116934217

### Scales and comparisons

How big is 6447?
• 6,447 seconds is equal to 1 hour, 47 minutes, 27 seconds.
• To count from 1 to 6,447 would take you about forty-seven minutes.

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 6447 cubic inches would be around 1.6 feet tall.

### Recreational maths with 6447

• 6447 backwards is 7446
• 6447 is a Harshad number.
• The number of decimal digits it has is: 4
• The sum of 6447's digits is 21
• More coming soon!