388,009 in words
388,009
three hundred eighty-eight thousand nine
388,009 is written three hundred eighty-eight thousand nine.
Ways to write it
- As an ordinal
- three hundred eighty-eight thousand ninth
- Expanded form
- 300,000 + 80,000 + 8,000 + 9
Place value
| Place | Digit | Value |
|---|---|---|
| hundred thousands | 3 | 300,000 |
| ten thousands | 8 | 80,000 |
| thousands | 8 | 8,000 |
| hundreds | 0 | 0 |
| tens | 0 | 0 |
| ones | 9 | 9 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Prime
- Factors
- 1 and 388,009 (2 factors)
- First 10 multiples
- 388,009, 776,018, 1,164,027, 1,552,036, 1,940,045, 2,328,054, 2,716,063, 3,104,072, 3,492,081, 3,880,090
- Square
- 388,009 × 388,009 = 150,550,984,081
- Square root
- ≈ 622.90
- Sum of the digits
- 3 + 8 + 8 + 0 + 0 + 9 = 28
- Rounded to the nearest 10
- 388,010
- Rounded to the nearest 100
- 388,000
- Rounded to the nearest 1000
- 388,000
- Number before
- 388,008
- Number after
- 388,010
- In binary
1011110101110101001
Quick check
What number comes just after 388,009?
Show the answer
388,010
Is 388,009 even or odd?
Show the answer
Odd
What is 388,009 + 10?
Show the answer
388,019
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 388,009 in words?
388,009 is written "three hundred eighty-eight thousand nine".
Is 388,009 a prime number?
Yes. 388,009 is a prime number: its only factors are 1 and 388,009.
What are the factors of 388,009?
The factors of 388,009 are 1 and 388,009.