# 8140442

## 8,140,442 is an even composite number composed of two prime numbers multiplied together.

What does the number 8140442 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 4 divisors.

8140442 is an even composite number. It is composed of two distinct prime numbers multiplied together. It has a total of four divisors.

## Prime factorization of 8140442:

### 2 × 4070221

See below for interesting mathematical facts about the number 8140442 from the Numbermatics database.

### Names of 8140442

• Cardinal: 8140442 can be written as Eight million, one hundred forty thousand, four hundred forty-two.

### Scientific notation

• Scientific notation: 8.140442 × 106

### Factors of 8140442

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 4070223

### Divisors of 8140442

• Number of divisors d(n): 4
• Complete list of divisors:
• Sum of all divisors σ(n): 12210666
• Sum of proper divisors (its aliquot sum) s(n): 4070224
• 8140442 is a deficient number, because the sum of its proper divisors (4070224) is less than itself. Its deficiency is 4070218

### Bases of 8140442

• Binary: 111110000110110100110102
• Base-36: 4UH7E

### Squares and roots of 8140442

• 8140442 squared (81404422) is 66266795955364
• 8140442 cubed (81404423) is 539441009000475230888
• The square root of 8140442 is 2853.1459829459
• The cube root of 8140442 is 201.1635674263

### Scales and comparisons

How big is 8140442?
• 8,140,442 seconds is equal to 13 weeks, 3 days, 5 hours, 14 minutes, 2 seconds.
• To count from 1 to 8,140,442 would take you about twenty 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 8140442 cubic inches would be around 16.8 feet tall.

### Recreational maths with 8140442

• 8140442 backwards is 2440418
• The number of decimal digits it has is: 7
• The sum of 8140442's digits is 23
• More coming soon!