Frequency & wavelength question.

If you divide the speed of light, 3.00e-34 Js, by the wavelength, 4.59e-7, then you'll get the frequency. I think its (6.54e-28) power but I'm not completely sure.

I think I've got it

The speed of light is 299,792,458 metres per second
Blue light : 459 x 10 ^-9 metres/wavelength

frequency is measured in Hertz which is wavelengths per second
(m/s) divided by (m/wavelengths) gives (wavelengths per second) The metres cancel out.

So frequency
=wavelengths / sec
=speed of light / wavelength
=299,792,458 / (459 x 10 ^-9)
=6.5314261 x 10 ¹⁴ Hertz
=653,143 GHz (to the nearest GHz)

I'm pretty sure that this is correct.

Thanks!