221968

221,968 is an even composite number composed of two prime numbers multiplied together.

What does the number 221968 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 10 divisors.

221968 is an even composite number. It is composed of two distinct prime numbers multiplied together. It has a total of ten divisors.

Prime factorization of 221968:

2⁴ × 13873

(2 × 2 × 2 × 2 × 13873)

See below for interesting mathematical facts about the number 221968 from the Numbermatics database.

Names of 221968

Cardinal: 221968 can be written as Two hundred twenty-one thousand, nine hundred sixty-eight.

Scientific notation

Scientific notation: 2.21968 × 10⁵

Factors of 221968

Number of distinct prime factors ω(n): 2
Total number of prime factors Ω(n): 5
Sum of prime factors: 13875

Divisors of 221968

Number of divisors d(n): 10
Complete list of divisors:
1 2 4 8 16 13873 27746 55492 110984 221968
Sum of all divisors σ(n): 430094
Sum of proper divisors (its aliquot sum) s(n): 208126
221968 is a deficient number, because the sum of its proper divisors (208126) is less than itself. Its deficiency is 13842

Bases of 221968

Binary: 110110001100010000₂
Hexadecimal: 0x36310
Base-36: 4R9S

Squares and roots of 221968

221968 squared (221968²) is 49269793024
221968 cubed (221968³) is 10936317417951232
The square root of 221968 is 471.1348002429
The cube root of 221968 is 60.5475799923

Scales and comparisons

How big is 221968?

221,968 seconds is equal to 2 days, 13 hours, 39 minutes, 28 seconds.
To count from 1 to 221,968 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 221968 cubic inches would be around 5 feet tall.

Recreational maths with 221968

221968 backwards is 869122
The number of decimal digits it has is: 6
The sum of 221968's digits is 28
More coming soon!

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The information we have on file for 221968 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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