# 20838

## 20,838 is an even composite number composed of four prime numbers multiplied together.

What does the number 20838 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 16 divisors.

20838 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixteen divisors.

## Prime factorization of 20838:

### 2 × 3 × 23 × 151

See below for interesting mathematical facts about the number 20838 from the Numbermatics database.

### Names of 20838

• Cardinal: 20838 can be written as Twenty thousand, eight hundred thirty-eight.

### Scientific notation

• Scientific notation: 2.0838 × 104

### Factors of 20838

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 179

### Divisors of 20838

• Number of divisors d(n): 16
• Complete list of divisors:
• Sum of all divisors σ(n): 43776
• Sum of proper divisors (its aliquot sum) s(n): 22938
• 20838 is an abundant number, because the sum of its proper divisors (22938) is greater than itself. Its abundance is 2100

### Bases of 20838

• Binary: 1010001011001102
• Hexadecimal: 0x5166
• Base-36: G2U

### Squares and roots of 20838

• 20838 squared (208382) is 434222244
• 20838 cubed (208383) is 9048323120472
• The square root of 20838 is 144.3537321997
• The cube root of 20838 is 27.5181147865

### Scales and comparisons

How big is 20838?
• 20,838 seconds is equal to 5 hours, 47 minutes, 18 seconds.
• To count from 1 to 20,838 would take you about five 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 20838 cubic inches would be around 2.3 feet tall.

### Recreational maths with 20838

• 20838 backwards is 83802
• The number of decimal digits it has is: 5
• The sum of 20838's digits is 21
• More coming soon!

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The information we have on file for 20838 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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