489 in words
489
four hundred and eighty-nine
489 is written four hundred and eighty-nine.
Ways to write it
- As an ordinal
- four hundred and eighty-ninth
- Roman numeral
- CDLXXXIX
- Expanded form
- 400 + 80 + 9
Place value
| Place | Digit | Value |
|---|---|---|
| hundreds | 4 | 400 |
| tens | 8 | 80 |
| ones | 9 | 9 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Composite
- Factors
- 1, 3, 163 and 489 (4 factors)
- First 10 multiples
- 489, 978, 1,467, 1,956, 2,445, 2,934, 3,423, 3,912, 4,401, 4,890
- Square
- 489 × 489 = 239,121
- Square root
- ≈ 22.11
- Sum of the digits
- 4 + 8 + 9 = 21
- Rounded to the nearest 10
- 490
- Rounded to the nearest 100
- 500
- Number before
- 488
- Number after
- 490
- In binary
111101001
Quick check
What number comes just after 489?
Show the answer
490
Is 489 even or odd?
Show the answer
Odd
What is 489 + 10?
Show the answer
499
Practise with a game
Factors, Multiples & Primes
Multiples, factors, prime numbers, square numbers and prime factors.
Roman Numerals
Read and write Roman numerals from I to 3,999.Frequently asked questions
How do you write 489 in words?
489 is written "four hundred and eighty-nine".
Is 489 a prime number?
No. 489 is a composite number, because it has more than two factors.
What are the factors of 489?
The factors of 489 are 1, 3, 163 and 489.
How do you write 489 in Roman numerals?
489 in Roman numerals is CDLXXXIX.