How many cores is 1 billion dollars?

Excuse me, I've been reading about cryptocurrency investments and their relation to hardware capabilities, but I'm a bit confused. I've heard people talk about the number of cores a system has when discussing mining cryptocurrencies, but I'm not sure how it translates to real-world value. Could you possibly explain to me how many cores would be equivalent to, say, 1 billion dollars? I'm trying to get a sense of the scale and potential return on investment, but the terminology is throwing me off a bit.