490 in words
490
four hundred ninety
490 is written four hundred ninety.
Ways to write it
- As an ordinal
- four hundred ninetieth
- Roman numeral
- CDXC
- Expanded form
- 400 + 90
Place value
| Place | Digit | Value |
|---|---|---|
| hundreds | 4 | 400 |
| tens | 9 | 90 |
| ones | 0 | 0 |
Number facts
- Even or odd
- Even
- Prime or composite
- Composite
- Factors
- 1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245 and 490 (12 factors)
- First 10 multiples
- 490, 980, 1,470, 1,960, 2,450, 2,940, 3,430, 3,920, 4,410, 4,900
- Square
- 490 × 490 = 240,100
- Square root
- ≈ 22.14
- Sum of the digits
- 4 + 9 + 0 = 13
- Rounded to the nearest 10
- 490
- Rounded to the nearest 100
- 500
- Number before
- 489
- Number after
- 491
- In binary
111101010
Quick check
What number comes just after 490?
Show the answer
491
Is 490 even or odd?
Show the answer
Even
What is 490 + 10?
Show the answer
500
Practice 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 490 in words?
490 is written "four hundred ninety".
Is 490 a prime number?
No. 490 is a composite number, because it has more than two factors.
What are the factors of 490?
The factors of 490 are 1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245 and 490.
How do you write 490 in Roman numerals?
490 in Roman numerals is CDXC.