428,988 in words
428,988
four hundred twenty-eight thousand nine hundred eighty-eight
428,988 is written four hundred twenty-eight thousand nine hundred eighty-eight.
Ways to write it
- As an ordinal
- four hundred twenty-eight thousand nine hundred eighty-eighth
- Expanded form
- 400,000 + 20,000 + 8,000 + 900 + 80 + 8
Place value
| Place | Digit | Value |
|---|---|---|
| hundred thousands | 4 | 400,000 |
| ten thousands | 2 | 20,000 |
| thousands | 8 | 8,000 |
| hundreds | 9 | 900 |
| tens | 8 | 80 |
| ones | 8 | 8 |
Number facts
- Even or odd
- Even
- Prime or composite
- Composite
- Factors
- 1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 5,107, 10,214, 15,321, 20,428, 30,642, 35,749, 61,284, 71,498, 107,247, 142,996, 214,494 and 428,988 (24 factors)
- First 10 multiples
- 428,988, 857,976, 1,286,964, 1,715,952, 2,144,940, 2,573,928, 3,002,916, 3,431,904, 3,860,892, 4,289,880
- Square
- 428,988 × 428,988 = 184,030,704,144
- Square root
- ≈ 654.97
- Sum of the digits
- 4 + 2 + 8 + 9 + 8 + 8 = 39
- Rounded to the nearest 10
- 428,990
- Rounded to the nearest 100
- 429,000
- Rounded to the nearest 1000
- 429,000
- Number before
- 428,987
- Number after
- 428,989
- In binary
1101000101110111100
Quick check
What number comes just after 428,988?
Show the answer
428,989
Is 428,988 even or odd?
Show the answer
Even
What is 428,988 + 10?
Show the answer
428,998
Practise with a game
Factors, Multiples & Primes
Multiples, factors, prime numbers, square numbers and prime factors.
Number Patterns
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How do you write 428,988 in words?
428,988 is written "four hundred twenty-eight thousand nine hundred eighty-eight".
Is 428,988 a prime number?
No. 428,988 is a composite number, because it has more than two factors.
What are the factors of 428,988?
The factors of 428,988 are 1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 5,107, 10,214, 15,321, 20,428, 30,642, 35,749, 61,284, 71,498, 107,247, 142,996, 214,494 and 428,988.