In a pure semiconductor, $n = p = n_i$, the intrinsic conductivity is: $\sigma_i = (n\mu_n+p\mu_p) e = (\mu_n+\mu_p) \times e\;n_i$.

$\Rightarrow \sigma_p = 2.4 \times 10^{19} \times 1.6 \times 10^{-19} (0.39+0.19)$

$\quad \sigma_p = 2.22 \;\Omega^{-1}\;m^{-1}$