What is the momentum of photon of energy 3 Mev in $kgms^{-1}$?

Question

$\begin{array}{1 1} 1.6 \times 10^{-21} kg ms^{-1} \\ 1.6 \times 10^{-20} kg ms^{-1} \\ 1.6 \times 10^{-19} kg ms^{-1} \\ 1.6 \times 10^{-22} kg ms^{-1} \end{array}$