1806

1,806 is an even composite number composed of four prime numbers multiplied together.

What does the number 1806 look like?

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

1806 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 1806:

2 × 3 × 7 × 43

See below for interesting mathematical facts about the number 1806 from the Numbermatics database.

Names of 1806

Cardinal: 1806 can be written as One thousand, eight hundred six.

Scientific notation

Scientific notation: 1.806 × 10³

Factors of 1806

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 4
Sum of prime factors: 55

Divisors of 1806

Number of divisors d(n): 16
Complete list of divisors:
1 2 3 6 7 14 21 42 43 86 129 258 301 602 903 1806
Sum of all divisors σ(n): 4224
Sum of proper divisors (its aliquot sum) s(n): 2418
1806 is an abundant number, because the sum of its proper divisors (2418) is greater than itself. Its abundance is 612

Bases of 1806

Binary: 11100001110₂
Hexadecimal: 0x70E
Base-36: 1E6

Squares and roots of 1806

1806 squared (1806²) is 3261636
1806 cubed (1806³) is 5890514616
The square root of 1806 is 42.4970587217
The cube root of 1806 is 12.1779050055

Scales and comparisons

How big is 1806?

1,806 seconds is equal to 30 minutes, 6 seconds.
To count from 1 to 1,806 would take you about thirty 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 1806 cubic inches would be around 1 feet tall.

Recreational maths with 1806

1806 backwards is 6081
The number of decimal digits it has is: 4
The sum of 1806's digits is 15
More coming soon!

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The information we have on file for 1806 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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