90 (number)

natural number

90 (ninety) is an even number. It is divisible by 1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, and 90.

← 89 90 91 →
Cardinalninety
Ordinal90th
(ninetieth)
Factorization2 × 32× 5
Greek numeralϞ´
Roman numeralXC
Binary10110102
Ternary101003
Quaternary11224
Quinary3305
Senary2306
Octal1328
Duodecimal7612
Hexadecimal5A16
Vigesimal4A20
Base 362I36