What is the center and radius of 2x^2+2y^2=32?

What is the center and radius of 2x^2+2y^2=32?

$2x^2+2y^2=32 \quad | \quad : 2\\ x^2+y^2=16\\ (x-0)^2+(y-0)^2 = 4^2$

center = (0,0)

radius = 4