What equals 408?

408 can be expressed as the product of its prime factors: 2 x 2 x 2 x 3 x 17. It is also the sum of the first 20 positive even numbers (2 + 4 + 6 + ... + 38 + 40). Additionally, 408 can be represented as the cube of the square root of 6 (6^(1/2))^3.