18,040 in words
18,040
eighteen thousand forty
18,040 is written eighteen thousand forty.
Ways to write it
- As an ordinal
- eighteen thousand fortieth
- Expanded form
- 10,000 + 8,000 + 40
Place value
| Place | Digit | Value |
|---|---|---|
| ten thousands | 1 | 10,000 |
| thousands | 8 | 8,000 |
| hundreds | 0 | 0 |
| tens | 4 | 40 |
| ones | 0 | 0 |
Number facts
- Even or odd
- Even
- Prime or composite
- Composite
- Factors
- 1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 41, 44, 55, 82, 88, 110, 164, 205, 220, 328, 410, 440, 451, 820, 902, 1,640, 1,804, 2,255, 3,608, 4,510, 9,020 and 18,040 (32 factors)
- First 10 multiples
- 18,040, 36,080, 54,120, 72,160, 90,200, 108,240, 126,280, 144,320, 162,360, 180,400
- Square
- 18,040 × 18,040 = 325,441,600
- Square root
- ≈ 134.31
- Sum of the digits
- 1 + 8 + 0 + 4 + 0 = 13
- Rounded to the nearest 10
- 18,040
- Rounded to the nearest 100
- 18,000
- Rounded to the nearest 1000
- 18,000
- Number before
- 18,039
- Number after
- 18,041
- In binary
100011001111000
Quick check
What number comes just after 18,040?
Show the answer
18,041
Is 18,040 even or odd?
Show the answer
Even
What is 18,040 + 10?
Show the answer
18,050
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 18,040 in words?
18,040 is written "eighteen thousand forty".
Is 18,040 a prime number?
No. 18,040 is a composite number, because it has more than two factors.
What are the factors of 18,040?
The factors of 18,040 are 1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 41, 44, 55, 82, 88, 110, 164, 205, 220, 328, 410, 440, 451, 820, 902, 1,640, 1,804, 2,255, 3,608, 4,510, 9,020 and 18,040.