# 2978

## 2,978 is an even composite number composed of two prime numbers multiplied together.

What does the number 2978 look like?

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

2978 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 2978:

### 2 × 1489

See below for interesting mathematical facts about the number 2978 from the Numbermatics database.

### Names of 2978

• Cardinal: 2978 can be written as Two thousand, nine hundred seventy-eight.

### Scientific notation

• Scientific notation: 2.978 × 103

### Factors of 2978

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 1491

### Divisors of 2978

• Number of divisors d(n): 4
• Complete list of divisors:
• Sum of all divisors σ(n): 4470
• Sum of proper divisors (its aliquot sum) s(n): 1492
• 2978 is a deficient number, because the sum of its proper divisors (1492) is less than itself. Its deficiency is 1486

### Bases of 2978

• Binary: 1011101000102
• Base-36: 2AQ

### Squares and roots of 2978

• 2978 squared (29782) is 8868484
• 2978 cubed (29783) is 26410345352
• The square root of 2978 is 54.5710545987
• The cube root of 2978 is 14.3871541819

### Scales and comparisons

How big is 2978?
• 2,978 seconds is equal to 49 minutes, 38 seconds.
• To count from 1 to 2,978 would take you about forty-nine 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 2978 cubic inches would be around 1.2 feet tall.

### Recreational maths with 2978

• 2978 backwards is 8792
• The number of decimal digits it has is: 4
• The sum of 2978's digits is 26
• More coming soon!

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The information we have on file for 2978 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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