A photon has an energy of $1\mathrm{.}57{10}^{-13}J.$ What is its frequency in hertz?

$2\mathrm{.}37{10}^{20}Hz$

$1\mathrm{.}04{10}^{-46}Hz$

$4\mathrm{.}70{10}^{-5}Hz$

$2\mathrm{.}37{10}^{-48}Hz$