# 838

## 838 is an even composite number composed of two prime numbers multiplied together.

What does the number 838 look like?

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

838 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 838:

### 2 × 419

See below for interesting mathematical facts about the number 838 from the Numbermatics database.

### Names of 838

• Cardinal: 838 can be written as Eight hundred thirty-eight.

### Scientific notation

• Scientific notation: 8.38 × 102

### Factors of 838

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 421

### Divisors of 838

• Number of divisors d(n): 4
• Complete list of divisors:
• Sum of all divisors σ(n): 1260
• Sum of proper divisors (its aliquot sum) s(n): 422
• 838 is a deficient number, because the sum of its proper divisors (422) is less than itself. Its deficiency is 416

### Bases of 838

• Binary: 11010001102
• Base-36: NA

### Squares and roots of 838

• 838 squared (8382) is 702244
• 838 cubed (8383) is 588480472
• The square root of 838 is 28.9482296523
• The cube root of 838 is 9.4278936065

### Scales and comparisons

How big is 838?
• 838 seconds is equal to 13 minutes, 58 seconds.
• To count from 1 to 838 would take you about six 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 838 cubic inches would be around 0.8 feet tall.

### Recreational maths with 838

• 838 is the same when its digits are reversed! That makes it a palindromic number.
• The number of decimal digits it has is: 3
• The sum of 838's digits is 19
• More coming soon!

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The information we have on file for 838 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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