489,721 in words
489,721
four hundred and eighty-nine thousand seven hundred and twenty-one
489,721 is written four hundred and eighty-nine thousand seven hundred and twenty-one.
Ways to write it
- As an ordinal
- four hundred and eighty-nine thousand seven hundred and twenty-first
- Expanded form
- 400,000 + 80,000 + 9,000 + 700 + 20 + 1
Place value
| Place | Digit | Value |
|---|---|---|
| hundred thousands | 4 | 400,000 |
| ten thousands | 8 | 80,000 |
| thousands | 9 | 9,000 |
| hundreds | 7 | 700 |
| tens | 2 | 20 |
| ones | 1 | 1 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Composite
- Factors
- 1, 79, 6,199 and 489,721 (4 factors)
- First 10 multiples
- 489,721, 979,442, 1,469,163, 1,958,884, 2,448,605, 2,938,326, 3,428,047, 3,917,768, 4,407,489, 4,897,210
- Square
- 489,721 × 489,721 = 239,826,657,841
- Square root
- ≈ 699.80
- Sum of the digits
- 4 + 8 + 9 + 7 + 2 + 1 = 31
- Rounded to the nearest 10
- 489,720
- Rounded to the nearest 100
- 489,700
- Rounded to the nearest 1000
- 490,000
- Number before
- 489,720
- Number after
- 489,722
- In binary
1110111100011111001
Quick check
What number comes just after 489,721?
Show the answer
489,722
Is 489,721 even or odd?
Show the answer
Odd
What is 489,721 + 10?
Show the answer
489,731
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 489,721 in words?
489,721 is written "four hundred and eighty-nine thousand seven hundred and twenty-one".
Is 489,721 a prime number?
No. 489,721 is a composite number, because it has more than two factors.
What are the factors of 489,721?
The factors of 489,721 are 1, 79, 6,199 and 489,721.