216729

216,729 is an odd composite number composed of three prime numbers multiplied together.

What does the number 216729 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 16 divisors.

216729 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of sixteen divisors.

Prime factorization of 216729:

3³ × 23 × 349

(3 × 3 × 3 × 23 × 349)

See below for interesting mathematical facts about the number 216729 from the Numbermatics database.

Names of 216729

Cardinal: 216729 can be written as Two hundred sixteen thousand, seven hundred twenty-nine.

Scientific notation

Scientific notation: 2.16729 × 10⁵

Factors of 216729

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 5
Sum of prime factors: 375

Divisors of 216729

Number of divisors d(n): 16
Complete list of divisors:
1 3 9 23 27 69 207 349 621 1047 3141 8027 9423 24081 72243 216729
Sum of all divisors σ(n): 336000
Sum of proper divisors (its aliquot sum) s(n): 119271
216729 is a deficient number, because the sum of its proper divisors (119271) is less than itself. Its deficiency is 97458

Bases of 216729

Binary: 110100111010011001₂
Hexadecimal: 0x34E99
Base-36: 4N89

Squares and roots of 216729

216729 squared (216729²) is 46971459441
216729 cubed (216729³) is 10180077433188489
The square root of 216729 is 465.5416200515
The cube root of 216729 is 60.0674242045

Scales and comparisons

How big is 216729?

216,729 seconds is equal to 2 days, 12 hours, 12 minutes, 9 seconds.
To count from 1 to 216,729 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 216729 cubic inches would be around 5 feet tall.

Recreational maths with 216729

216729 backwards is 927612
216729 is a Harshad number.
The number of decimal digits it has is: 6
The sum of 216729's digits is 27
More coming soon!

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The information we have on file for 216729 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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