# 1556

## 1,556 is an even composite number composed of two prime numbers multiplied together.

What does the number 1556 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 6 divisors.

1556 is an even composite number. It is composed of two distinct prime numbers multiplied together. It has a total of six divisors.

## Prime factorization of 1556:

### 22 × 389

(2 × 2 × 389)

See below for interesting mathematical facts about the number 1556 from the Numbermatics database.

### Names of 1556

• Cardinal: 1556 can be written as One thousand, five hundred fifty-six.

### Scientific notation

• Scientific notation: 1.556 × 103

### Factors of 1556

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 391

### Divisors of 1556

• Number of divisors d(n): 6
• Complete list of divisors:
• Sum of all divisors σ(n): 2730
• Sum of proper divisors (its aliquot sum) s(n): 1174
• 1556 is a deficient number, because the sum of its proper divisors (1174) is less than itself. Its deficiency is 382

### Bases of 1556

• Binary: 110000101002
• Hexadecimal: 0x614
• Base-36: 178

### Squares and roots of 1556

• 1556 squared (15562) is 2421136
• 1556 cubed (15563) is 3767287616
• The square root of 1556 is 39.4461658467
• The cube root of 1556 is 11.5878588783

### Scales and comparisons

How big is 1556?
• 1,556 seconds is equal to 25 minutes, 56 seconds.
• To count from 1 to 1,556 would take you about twenty-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 1556 cubic inches would be around 1 feet tall.

### Recreational maths with 1556

• 1556 backwards is 6551
• The number of decimal digits it has is: 4
• The sum of 1556's digits is 17
• More coming soon!

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The information we have on file for 1556 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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