∫0π/2∫0π/2∫04ρ6senϕdρdϕdθ\int_0^{\pi/2}\int_0^{\pi/2}\int_0^4 \rho^6 sen\phi d\rho d\phi d\theta∫0π/2∫0π/2∫04ρ6senϕdρdϕdθ