20,790 in words
20,790
twenty thousand seven hundred ninety
20,790 is written twenty thousand seven hundred ninety.
Ways to write it
- As an ordinal
- twenty thousand seven hundred ninetieth
- Expanded form
- 20,000 + 700 + 90
Place value
| Place | Digit | Value |
|---|---|---|
| ten thousands | 2 | 20,000 |
| thousands | 0 | 0 |
| hundreds | 7 | 700 |
| tens | 9 | 90 |
| ones | 0 | 0 |
Number facts
- Even or odd
- Even
- Prime or composite
- Composite
- Factors
- 64 factors: too many to list
- First 10 multiples
- 20,790, 41,580, 62,370, 83,160, 103,950, 124,740, 145,530, 166,320, 187,110, 207,900
- Square
- 20,790 × 20,790 = 432,224,100
- Square root
- ≈ 144.19
- Sum of the digits
- 2 + 0 + 7 + 9 + 0 = 18
- Rounded to the nearest 10
- 20,790
- Rounded to the nearest 100
- 20,800
- Rounded to the nearest 1000
- 21,000
- Number before
- 20,789
- Number after
- 20,791
- In binary
101000100110110
Quick check
What number comes just after 20,790?
Show the answer
20,791
Is 20,790 even or odd?
Show the answer
Even
What is 20,790 + 10?
Show the answer
20,800
Practise with a game
Factors, Multiples & Primes
Multiples, factors, prime numbers, square numbers and prime factors.
Number Patterns
Find the missing number in a sequence.Frequently asked questions
How do you write 20,790 in words?
20,790 is written "twenty thousand seven hundred ninety".
Is 20,790 a prime number?
No. 20,790 is a composite number, because it has more than two factors.