290 in words
290
two hundred and ninety
290 is written two hundred and ninety.
Ways to write it
- As an ordinal
- two hundred and ninetieth
- Roman numeral
- CCXC
- Expanded form
- 200 + 90
Place value
| Place | Digit | Value |
|---|---|---|
| hundreds | 2 | 200 |
| tens | 9 | 90 |
| ones | 0 | 0 |
Number facts
- Even or odd
- Even
- Prime or composite
- Composite
- Factors
- 1, 2, 5, 10, 29, 58, 145 and 290 (8 factors)
- First 10 multiples
- 290, 580, 870, 1,160, 1,450, 1,740, 2,030, 2,320, 2,610, 2,900
- Square
- 290 × 290 = 84,100
- Square root
- ≈ 17.03
- Sum of the digits
- 2 + 9 + 0 = 11
- Rounded to the nearest 10
- 290
- Rounded to the nearest 100
- 300
- Number before
- 289
- Number after
- 291
- In binary
100100010
Quick check
What number comes just after 290?
Show the answer
291
Is 290 even or odd?
Show the answer
Even
What is 290 + 10?
Show the answer
300
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 290 in words?
290 is written "two hundred and ninety".
Is 290 a prime number?
No. 290 is a composite number, because it has more than two factors.
What are the factors of 290?
The factors of 290 are 1, 2, 5, 10, 29, 58, 145 and 290.
How do you write 290 in Roman numerals?
290 in Roman numerals is CCXC.