840,240 in words
840,240
eight hundred forty thousand two hundred forty
840,240 is written eight hundred forty thousand two hundred forty.
Ways to write it
- As an ordinal
- eight hundred forty thousand two hundred fortieth
- Expanded form
- 800,000 + 40,000 + 200 + 40
Place value
| Place | Digit | Value |
|---|---|---|
| hundred thousands | 8 | 800,000 |
| ten thousands | 4 | 40,000 |
| thousands | 0 | 0 |
| hundreds | 2 | 200 |
| tens | 4 | 40 |
| ones | 0 | 0 |
Number facts
- Even or odd
- Even
- Prime or composite
- Composite
- Factors
- 80 factors: too many to list
- First 10 multiples
- 840,240, 1,680,480, 2,520,720, 3,360,960, 4,201,200, 5,041,440, 5,881,680, 6,721,920, 7,562,160, 8,402,400
- Square
- 840,240 × 840,240 = 706,003,257,600
- Square root
- ≈ 916.65
- Sum of the digits
- 8 + 4 + 0 + 2 + 4 + 0 = 18
- Rounded to the nearest 10
- 840,240
- Rounded to the nearest 100
- 840,200
- Rounded to the nearest 1000
- 840,000
- Number before
- 840,239
- Number after
- 840,241
- In binary
11001101001000110000
Quick check
What number comes just after 840,240?
Show the answer
840,241
Is 840,240 even or odd?
Show the answer
Even
What is 840,240 + 10?
Show the answer
840,250
Practice 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 840,240 in words?
840,240 is written "eight hundred forty thousand two hundred forty".
Is 840,240 a prime number?
No. 840,240 is a composite number, because it has more than two factors.