5 to the power of 8 (5⁸) equals 390,625. This means 5 x 5 x 5 x 5 x 5 x 5 x 5 x 5 = 390,625. Result has 6 digits, prime factorisation 5 x 5 x 5 x 5 x 5 x 5 x 5 x 5....
5 TO THE POWER OF 8
390,625
5⁸ = 5 × 5 × 5 × 5 × 5 × 5 × 5 × 5 = 390,625
Value
390,625
Base
5
Exponent
8
Number of digits
6
Digit sum
25
Even or odd?
Odd
Divisible by 10?
No
Perfect square?
Yes ✓
STEP-BY-STEP
5⁸ means multiply 5 by itself 8 times
5
5 × 5 = 25
25 × 5 = 125
125 × 5 = 625
625 × 5 = 3,125
3,125 × 5 = 15,625
15,625 × 5 = 78,125
78,125 × 5 = 390,625
5⁸ = 390,625
PRIME FACTORISATION
390,625 = 5 × 5 × 5 × 5 × 5 × 5 × 5 × 5
= 5⁸ (all factors are 5, which is prime)
FUN FACT
390625 equals 625 squared.
POWERS OF 5 (1 → 8)
ALL POWERS OF 5 (1–10)
EXPONENT LAWS
5⁸ means multiply 5 by itself 8 times.
Multiplication chain: 5 x 5 x 5 x 5 x 5 x 5 x 5 x 5 = 390,625.
The result is 390,625 - 6 digits, prime factorisation: 5 x 5 x 5 x 5 x 5 x 5 x 5 x 5.
Check: 5⁷ x 5 = 78,125 x 5 = 390,625.
5⁸ = 5 x 5 x 5 x 5 x 5 x 5 x 5 x 5 = 390,625. Digits: 6. Prime factors: 5 x 5 x 5 x 5 x 5 x 5 x 5 x 5.
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Last updated: April 28, 2026 · Verified by EagleCalculator team · Eagle-eyed accuracy for every calculation.