161808

161,808 is an even composite number composed of three prime numbers multiplied together.

What does the number 161808 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 20 divisors.

161808 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twenty divisors.

Prime factorization of 161808:

2⁴ × 3 × 3371

(2 × 2 × 2 × 2 × 3 × 3371)

See below for interesting mathematical facts about the number 161808 from the Numbermatics database.

Names of 161808

Cardinal: 161808 can be written as One hundred sixty-one thousand, eight hundred eight.

Scientific notation

Scientific notation: 1.61808 × 10⁵

Factors of 161808

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 6
Sum of prime factors: 3376

Divisors of 161808

Number of divisors d(n): 20
Complete list of divisors:
1 2 3 4 6 8 12 16 24 48 3371 6742 10113 13484 20226 26968 40452 53936 80904 161808
Sum of all divisors σ(n): 418128
Sum of proper divisors (its aliquot sum) s(n): 256320
161808 is an abundant number, because the sum of its proper divisors (256320) is greater than itself. Its abundance is 94512

Bases of 161808

Binary: 100111100000010000₂
Hexadecimal: 0x27810
Base-36: 3GUO

Squares and roots of 161808

161808 squared (161808²) is 26181828864
161808 cubed (161808³) is 4236429364826112
The square root of 161808 is 402.2536513197
The cube root of 161808 is 54.4920730271

Scales and comparisons

How big is 161808?

161,808 seconds is equal to 1 day, 20 hours, 56 minutes, 48 seconds.
To count from 1 to 161,808 would take you about twenty hours.

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 161808 cubic inches would be around 4.5 feet tall.

Recreational maths with 161808

161808 backwards is 808161
161808 is a Harshad number.
The number of decimal digits it has is: 6
The sum of 161808's digits is 24
More coming soon!

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The information we have on file for 161808 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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