# 841

## 841 is an odd composite number. It is composed of a single prime number multiplied by itself.

What does the number 841 look like?

This visualization shows the relationship between its 1 prime factors (large circles) and 3 divisors.

841 is an odd composite number. It has a total of three divisors.

## Prime factorization of 841:

### 292

(29 × 29)

See below for interesting mathematical facts about the number 841 from the Numbermatics database.

### Names of 841

• Cardinal: 841 can be written as Eight hundred forty-one.

### Scientific notation

• Scientific notation: 8.41 × 102

### Factors of 841

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 29

### Divisors of 841

• Number of divisors d(n): 3
• Complete list of divisors:
• Sum of all divisors σ(n): 871
• Sum of proper divisors (its aliquot sum) s(n): 30
• 841 is a deficient number, because the sum of its proper divisors (30) is less than itself. Its deficiency is 811

### Bases of 841

• Binary: 11010010012
• Base-36: ND

### Squares and roots of 841

• 841 squared (8412) is 707281
• 841 cubed (8413) is 594823321
• 841 is a perfect square number. Its square root is 29
• The cube root of 841 is 9.4391306773

### Scales and comparisons

How big is 841?
• 841 seconds is equal to 14 minutes, 1 second.
• To count from 1 to 841 would take you about 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 841 cubic inches would be around 0.8 feet tall.

### Recreational maths with 841

• 841 backwards is 148
• The number of decimal digits it has is: 3
• The sum of 841's digits is 13
• More coming soon!

MLA style:
"Number 841 - Facts about the integer". Numbermatics.com. 2021. Web. 19 October 2021.

APA style:
Numbermatics. (2021). Number 841 - Facts about the integer. Retrieved 19 October 2021, from https://numbermatics.com/n/841/

Chicago style:
Numbermatics. 2021. "Number 841 - Facts about the integer". https://numbermatics.com/n/841/

The information we have on file for 841 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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