1580

1,580 is an even composite number composed of three prime numbers multiplied together.

What does the number 1580 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 12 divisors.

1580 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twelve divisors.

Prime factorization of 1580:

2² × 5 × 79

(2 × 2 × 5 × 79)

See below for interesting mathematical facts about the number 1580 from the Numbermatics database.

Names of 1580

Cardinal: 1580 can be written as One thousand, five hundred eighty.

Scientific notation

Scientific notation: 1.58 × 10³

Factors of 1580

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 4
Sum of prime factors: 86

Divisors of 1580

Number of divisors d(n): 12
Complete list of divisors:
1 2 4 5 10 20 79 158 316 395 790 1580
Sum of all divisors σ(n): 3360
Sum of proper divisors (its aliquot sum) s(n): 1780
1580 is an abundant number, because the sum of its proper divisors (1780) is greater than itself. Its abundance is 200

Bases of 1580

Binary: 11000101100₂
Hexadecimal: 0x62C
Base-36: 17W

Squares and roots of 1580

1580 squared (1580²) is 2496400
1580 cubed (1580³) is 3944312000
The square root of 1580 is 39.7492138287
The cube root of 1580 is 11.6471328451

Scales and comparisons

How big is 1580?

1,580 seconds is equal to 26 minutes, 20 seconds.
To count from 1 to 1,580 would take you about twenty-six 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 1580 cubic inches would be around 1 feet tall.

Recreational maths with 1580

1580 backwards is 0851
The number of decimal digits it has is: 4
The sum of 1580's digits is 14
More coming soon!

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The information we have on file for 1580 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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