# 671

## 671 is an odd composite number composed of two prime numbers multiplied together.

What does the number 671 look like?

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

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

## Prime factorization of 671:

### 11 × 61

See below for interesting mathematical facts about the number 671 from the Numbermatics database.

### Names of 671

• Cardinal: 671 can be written as Six hundred seventy-one.

### Scientific notation

• Scientific notation: 6.71 × 102

### Factors of 671

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 72

### Divisors of 671

• Number of divisors d(n): 4
• Complete list of divisors:
• Sum of all divisors σ(n): 744
• Sum of proper divisors (its aliquot sum) s(n): 73
• 671 is a deficient number, because the sum of its proper divisors (73) is less than itself. Its deficiency is 598

### Bases of 671

• Binary: 10100111112
• Base-36: IN

### Squares and roots of 671

• 671 squared (6712) is 450241
• 671 cubed (6713) is 302111711
• The square root of 671 is 25.9036676941
• The cube root of 671 is 8.7546913619

### Scales and comparisons

How big is 671?
• 671 seconds is equal to 11 minutes, 11 seconds.
• To count from 1 to 671 would take you about five 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 671 cubic inches would be around 0.7 feet tall.

### Recreational maths with 671

• 671 backwards is 176
• The number of decimal digits it has is: 3
• The sum of 671's digits is 14
• More coming soon!

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The information we have on file for 671 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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