# 644427

## 644,427 is an odd composite number composed of four prime numbers multiplied together.

644427 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of twenty-four divisors.

## Prime factorization of 644427:

### 32 × 7 × 53 × 193

(3 × 3 × 7 × 53 × 193)

See below for interesting mathematical facts about the number 644427 from the Numbermatics database.

### Names of 644427

• Cardinal: 644427 can be written as Six hundred forty-four thousand, four hundred twenty-seven.

### Scientific notation

• Scientific notation: 6.44427 × 105

### Factors of 644427

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 256

### Divisors of 644427

• Number of divisors d(n): 24
• Complete list of divisors:
• Sum of all divisors σ(n): 1089504
• Sum of proper divisors (its aliquot sum) s(n): 445077
• 644427 is a deficient number, because the sum of its proper divisors (445077) is less than itself. Its deficiency is 199350

### Bases of 644427

• Binary: 10011101010101001011 2

### Squares and roots of 644427

• 644427 squared (6444272) is 415286158329
• 644427 cubed (6444273) is 267621613153482483
• The square root of 644427 is 802.7621067291
• The cube root of 644427 is 86.3756329177

### Scales and comparisons

How big is 644427?
• 644,427 seconds is equal to 1 week, 11 hours, 27 seconds.
• To count from 1 to 644,427 would take you about one week!

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.

Note: we do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!

• A cube with a volume of 644427 cubic inches would be around 7.2 feet tall.

### Recreational maths with 644427

• 644427 backwards is 724446
• The number of decimal digits it has is: 6
• The sum of 644427's digits is 27
• More coming soon!

The information we have on file for 644427 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!

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