How long will it take me to count one Billion?

first question- what is abillion? is it a million times a million or a thousand times a million?
second question -assume at the age of 20, i start counting one billion shillings coins at the rate of one shilling per second for 8 hours each day, at what age will i finish counting?

Comments on "How long will it take me to count one Billion?"
More: Consider f(z) = |z|^2. Show that f is differentiable at z=0 & f '(0)=0, but f fails to be differentiable for any z that doesn't equal 0.? A structure subjected to gravity loads where will be the shear force ? Math help please? Find the domain of j(x)=x/(pi x x^3) + (pi x x^2) - (9 x pix) - (9 x pi)? Write an equation for the func graph below if u cant see the image just copy and paste it?