9 to the power of 3 (9³) equals 729. This means 9 x 9 x 9 = 729. Result has 3 digits, prime factorisation 3 x 3 x 3 x 3 x 3 x 3....
9 TO THE POWER OF 3
729
9³ = 9 × 9 × 9 = 729
Value
729
Base
9
Exponent
3
Number of digits
3
Digit sum
18
Even or odd?
Odd
Divisible by 10?
No
Perfect square?
Yes ✓
STEP-BY-STEP
9³ means multiply 9 by itself 3 times
9
9 × 9 = 81
81 × 9 = 729
9³ = 729
PRIME FACTORISATION
729 = 3 × 3 × 3 × 3 × 3 × 3
= 9³ (all factors are 9)
SAME VALUE — OTHER BASES
3⁶ = 729
FUN FACT
729 equals 3 to the 6 and 27 squared.
POWERS OF 9 (1 → 3)
ALL POWERS OF 9 (1–10)
EXPONENT LAWS
9³ means multiply 9 by itself 3 times.
Multiplication chain: 9 x 9 x 9 = 729.
The result is 729 - 3 digits, prime factorisation: 3 x 3 x 3 x 3 x 3 x 3.
Check: 9² x 9 = 81 x 9 = 729.
9³ = 9 x 9 x 9 = 729. Digits: 3. Prime factors: 3 x 3 x 3 x 3 x 3 x 3. Also: 3⁶ = 729.
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Last updated: April 28, 2026 · Verified by EagleCalculator team · Eagle-eyed accuracy for every calculation.