216409

216,409 is an odd composite number composed of two prime numbers multiplied together.

What does the number 216409 look like?

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

216409 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 216409:

379 × 571

See below for interesting mathematical facts about the number 216409 from the Numbermatics database.

Names of 216409

Cardinal: 216409 can be written as Two hundred sixteen thousand, four hundred nine.

Scientific notation

Scientific notation: 2.16409 × 10⁵

Factors of 216409

Number of distinct prime factors ω(n): 2
Total number of prime factors Ω(n): 2
Sum of prime factors: 950

Divisors of 216409

Number of divisors d(n): 4
Complete list of divisors:
1 379 571 216409
Sum of all divisors σ(n): 217360
Sum of proper divisors (its aliquot sum) s(n): 951
216409 is a deficient number, because the sum of its proper divisors (951) is less than itself. Its deficiency is 215458

Bases of 216409

Binary: 110100110101011001₂
Hexadecimal: 0x34D59
Base-36: 4MZD

Squares and roots of 216409

216409 squared (216409²) is 46832855281
216409 cubed (216409³) is 10135051378505929
The square root of 216409 is 465.1978073895
The cube root of 216409 is 60.0378464927

Scales and comparisons

How big is 216409?

216,409 seconds is equal to 2 days, 12 hours, 6 minutes, 49 seconds.
To count from 1 to 216,409 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 216409 cubic inches would be around 5 feet tall.

Recreational maths with 216409

216409 backwards is 904612
The number of decimal digits it has is: 6
The sum of 216409's digits is 22
More coming soon!

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The information we have on file for 216409 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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