216831

216,831 is an odd composite number composed of two prime numbers multiplied together.

What does the number 216831 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 4 divisors.

216831 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of four divisors.

Prime factorization of 216831:

3 × 72277

See below for interesting mathematical facts about the number 216831 from the Numbermatics database.

Names of 216831

Cardinal: 216831 can be written as Two hundred sixteen thousand, eight hundred thirty-one.

Scientific notation

Scientific notation: 2.16831 × 10⁵

Factors of 216831

Number of distinct prime factors ω(n): 2
Total number of prime factors Ω(n): 2
Sum of prime factors: 72280

Divisors of 216831

Number of divisors d(n): 4
Complete list of divisors:
1 3 72277 216831
Sum of all divisors σ(n): 289112
Sum of proper divisors (its aliquot sum) s(n): 72281
216831 is a deficient number, because the sum of its proper divisors (72281) is less than itself. Its deficiency is 144550

Bases of 216831

Binary: 110100111011111111₂
Hexadecimal: 0x34EFF
Base-36: 4NB3

Squares and roots of 216831

216831 squared (216831²) is 47015682561
216831 cubed (216831³) is 10194457465384191
The square root of 216831 is 465.6511569835
The cube root of 216831 is 60.0768459807

Scales and comparisons

How big is 216831?

216,831 seconds is equal to 2 days, 12 hours, 13 minutes, 51 seconds.
To count from 1 to 216,831 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 216831 cubic inches would be around 5 feet tall.

Recreational maths with 216831

216831 backwards is 138612
The number of decimal digits it has is: 6
The sum of 216831's digits is 21
More coming soon!

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The information we have on file for 216831 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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