216408

216,408 is an even composite number composed of four prime numbers multiplied together.

What does the number 216408 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 32 divisors.

216408 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of thirty-two divisors.

Prime factorization of 216408:

2³ × 3 × 71 × 127

(2 × 2 × 2 × 3 × 71 × 127)

See below for interesting mathematical facts about the number 216408 from the Numbermatics database.

Names of 216408

Cardinal: 216408 can be written as Two hundred sixteen thousand, four hundred eight.

Scientific notation

Scientific notation: 2.16408 × 10⁵

Factors of 216408

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 6
Sum of prime factors: 203

Divisors of 216408

Number of divisors d(n): 32
Complete list of divisors:
1 2 3 4 6 8 12 24 71 127 142 213 254 284 381 426 508 568 762 852 1016 1524 1704 3048 9017 18034 27051 36068 54102 72136 108204 216408
Sum of all divisors σ(n): 552960
Sum of proper divisors (its aliquot sum) s(n): 336552
216408 is an abundant number, because the sum of its proper divisors (336552) is greater than itself. Its abundance is 120144

Bases of 216408

Binary: 110100110101011000₂
Hexadecimal: 0x34D58
Base-36: 4MZC

Squares and roots of 216408

216408 squared (216408²) is 46832422464
216408 cubed (216408³) is 10134910880589312
The square root of 216408 is 465.1967325767
The cube root of 216408 is 60.0377540167

Scales and comparisons

How big is 216408?

216,408 seconds is equal to 2 days, 12 hours, 6 minutes, 48 seconds.
To count from 1 to 216,408 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 216408 cubic inches would be around 5 feet tall.

Recreational maths with 216408

216408 backwards is 804612
The number of decimal digits it has is: 6
The sum of 216408's digits is 21
More coming soon!

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The information we have on file for 216408 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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