3,40,721 in words
3,40,721
three lakh forty thousand seven hundred and twenty-one
3,40,721 is written three lakh forty thousand seven hundred and twenty-one.
Ways to write it
- International system
- three hundred and forty thousand seven hundred and twenty-one
- Indian system
- three lakh forty thousand seven hundred and twenty-one
- As an ordinal
- three lakh forty thousand seven hundred and twenty-first
- Expanded form
- 3,00,000 + 40,000 + 700 + 20 + 1
Place value
| Place | Digit | Value |
|---|---|---|
| lakhs | 3 | 3,00,000 |
| ten thousands | 4 | 40,000 |
| thousands | 0 | 0 |
| hundreds | 7 | 700 |
| tens | 2 | 20 |
| ones | 1 | 1 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Composite
- Factors
- 1, 29, 31, 379, 899, 10,991, 11,749 and 3,40,721 (8 factors)
- First 10 multiples
- 3,40,721, 6,81,442, 10,22,163, 13,62,884, 17,03,605, 20,44,326, 23,85,047, 27,25,768, 30,66,489, 34,07,210
- Square
- 3,40,721 × 3,40,721 = 1,16,09,07,99,841
- Square root
- ≈ 583.71
- Sum of the digits
- 3 + 4 + 0 + 7 + 2 + 1 = 17
- Rounded to the nearest 10
- 3,40,720
- Rounded to the nearest 100
- 3,40,700
- Rounded to the nearest 1000
- 3,41,000
- Number before
- 3,40,720
- Number after
- 3,40,722
- In binary
1010011001011110001
Quick check
What number comes just after 3,40,721?
Show the answer
3,40,722
Is 3,40,721 even or odd?
Show the answer
Odd
What is 3,40,721 + 10?
Show the answer
3,40,731
Practise with a game
Factors, Multiples & Primes
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Number Patterns
Find the missing number in a sequence.Frequently asked questions
How do you write 3,40,721 in words?
3,40,721 is written "three lakh forty thousand seven hundred and twenty-one".
Is 3,40,721 a prime number?
No. 3,40,721 is a composite number, because it has more than two factors.
What are the factors of 3,40,721?
The factors of 3,40,721 are 1, 29, 31, 379, 899, 10,991, 11,749 and 3,40,721.