3.0 times 10^23 multiplied by 169.91 in scientific notation

$${\mathtt{3}}{\mathtt{\,\times\,}}{{\mathtt{10}}}^{{\mathtt{23}}}{\mathtt{\,\times\,}}{\mathtt{169.91}} = {\mathtt{5.097\: \!3}}{\mathtt{\,\times\,}}{{\mathtt{10}}}^{{\mathtt{26}}}$$