390,625

Number

$390 \, 625$ (three hundred and ninety thousand, six hundred and twenty-five) is:

$5^8$

The $5$th eighth power after $1$, $256$, $6561$, $65 \, 536$:

$390 \, 625 = 5 \times 5 \times 5 \times 5 \times 5 \times 5 \times 5 \times 5$

The $8$th power of $5$ after $(1)$, $5$, $25$, $125$, $625$, $3125$, $15 \, 625$, $78 \, 125$:

$390 \, 625 = 5^8$

The $25$th fourth power:

$390 \, 625 = 25 \times 25 \times 25 \times 25$

The $625$th square number:

$390 \, 625 = 625 \times 625$