# 1290

## 1,290 is an even composite number composed of four prime numbers multiplied together.

What does the number 1290 look like?

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

1290 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 1290:

### 2 × 3 × 5 × 43

See below for interesting mathematical facts about the number 1290 from the Numbermatics database.

### Names of 1290

• Cardinal: 1290 can be written as One thousand, two hundred ninety.

### Scientific notation

• Scientific notation: 1.29 × 103

### Factors of 1290

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 53

### Divisors of 1290

• Number of divisors d(n): 16
• Complete list of divisors:
• Sum of all divisors σ(n): 3168
• Sum of proper divisors (its aliquot sum) s(n): 1878
• 1290 is an abundant number, because the sum of its proper divisors (1878) is greater than itself. Its abundance is 588

### Bases of 1290

• Binary: 101000010102
• Base-36: ZU

### Squares and roots of 1290

• 1290 squared (12902) is 1664100
• 1290 cubed (12903) is 2146689000
• The square root of 1290 is 35.9165699921
• The cube root of 1290 is 10.8858723349

### Scales and comparisons

How big is 1290?
• 1,290 seconds is equal to 21 minutes, 30 seconds.
• To count from 1 to 1,290 would take you about twenty-one 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 1290 cubic inches would be around 0.9 feet tall.

### Recreational maths with 1290

• 1290 backwards is 0921
• The number of decimal digits it has is: 4
• The sum of 1290's digits is 12
• More coming soon!

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Chicago style:
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The information we have on file for 1290 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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