221065

221,065 is an odd composite number composed of four prime numbers multiplied together.

What does the number 221065 look like?

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

221065 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixteen divisors.

Prime factorization of 221065:

5 × 13 × 19 × 179

See below for interesting mathematical facts about the number 221065 from the Numbermatics database.

Names of 221065

Cardinal: 221065 can be written as Two hundred twenty-one thousand and sixty-five.

Scientific notation

Scientific notation: 2.21065 × 10⁵

Factors of 221065

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 4
Sum of prime factors: 216

Divisors of 221065

Number of divisors d(n): 16
Complete list of divisors:
1 5 13 19 65 95 179 247 895 1235 2327 3401 11635 17005 44213 221065
Sum of all divisors σ(n): 302400
Sum of proper divisors (its aliquot sum) s(n): 81335
221065 is a deficient number, because the sum of its proper divisors (81335) is less than itself. Its deficiency is 139730

Bases of 221065

Binary: 110101111110001001₂
Hexadecimal: 0x35F89
Base-36: 4QKP

Squares and roots of 221065

221065 squared (221065²) is 48869734225
221065 cubed (221065³) is 10803387796449625
The square root of 221065 is 470.1754991489
The cube root of 221065 is 60.4653627749

Scales and comparisons

How big is 221065?

221,065 seconds is equal to 2 days, 13 hours, 24 minutes, 25 seconds.
To count from 1 to 221,065 would take you about two days.

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 221065 cubic inches would be around 5 feet tall.

Recreational maths with 221065

221065 backwards is 560122
The number of decimal digits it has is: 6
The sum of 221065's digits is 16
More coming soon!

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The information we have on file for 221065 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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