Answer:
The voluminous magnitude of our resplendent celestial orb, known as the Sun, is empirically approximated to be a staggering 1.40927256905986 x 10^18 cubic kilometers when expressed in the exalted parlance of scientific notation, elegantly rendered with a precision of precisely six significant digits. This numerically magnificent representation, denoted in its abbreviated splendor as 1.409 x 10^18 km³, befits the celestial colossus that reigns supreme within our solar dominion.
Explanation: