3,40,921 in words
3,40,921
three lakh forty thousand nine hundred and twenty-one
3,40,921 is written three lakh forty thousand nine hundred and twenty-one.
Ways to write it
- International system
- three hundred and forty thousand nine hundred and twenty-one
- Indian system
- three lakh forty thousand nine hundred and twenty-one
- As an ordinal
- three lakh forty thousand nine hundred and twenty-first
- Expanded form
- 3,00,000 + 40,000 + 900 + 20 + 1
Place value
| Place | Digit | Value |
|---|---|---|
| lakhs | 3 | 3,00,000 |
| ten thousands | 4 | 40,000 |
| thousands | 0 | 0 |
| hundreds | 9 | 900 |
| tens | 2 | 20 |
| ones | 1 | 1 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Composite
- Factors
- 1, 7, 113, 431, 791, 3,017, 48,703 and 3,40,921 (8 factors)
- First 10 multiples
- 3,40,921, 6,81,842, 10,22,763, 13,63,684, 17,04,605, 20,45,526, 23,86,447, 27,27,368, 30,68,289, 34,09,210
- Square
- 3,40,921 × 3,40,921 = 1,16,22,71,28,241
- Square root
- ≈ 583.88
- Sum of the digits
- 3 + 4 + 0 + 9 + 2 + 1 = 19
- Rounded to the nearest 10
- 3,40,920
- Rounded to the nearest 100
- 3,40,900
- Rounded to the nearest 1000
- 3,41,000
- Number before
- 3,40,920
- Number after
- 3,40,922
- In binary
1010011001110111001
Quick check
What number comes just after 3,40,921?
Show the answer
3,40,922
Is 3,40,921 even or odd?
Show the answer
Odd
What is 3,40,921 + 10?
Show the answer
3,40,931
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 3,40,921 in words?
3,40,921 is written "three lakh forty thousand nine hundred and twenty-one".
Is 3,40,921 a prime number?
No. 3,40,921 is a composite number, because it has more than two factors.
What are the factors of 3,40,921?
The factors of 3,40,921 are 1, 7, 113, 431, 791, 3,017, 48,703 and 3,40,921.