# 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!