388,021 in words
388,021
three hundred and eighty-eight thousand and twenty-one
388,021 is written three hundred and eighty-eight thousand and twenty-one.
Ways to write it
- As an ordinal
- three hundred and eighty-eight thousand and twenty-first
- Expanded form
- 300,000 + 80,000 + 8,000 + 20 + 1
Place value
| Place | Digit | Value |
|---|---|---|
| hundred thousands | 3 | 300,000 |
| ten thousands | 8 | 80,000 |
| thousands | 8 | 8,000 |
| hundreds | 0 | 0 |
| tens | 2 | 20 |
| ones | 1 | 1 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Composite
- Factors
- 1, 61, 6,361 and 388,021 (4 factors)
- First 10 multiples
- 388,021, 776,042, 1,164,063, 1,552,084, 1,940,105, 2,328,126, 2,716,147, 3,104,168, 3,492,189, 3,880,210
- Square
- 388,021 × 388,021 = 150,560,296,441
- Square root
- ≈ 622.91
- Sum of the digits
- 3 + 8 + 8 + 0 + 2 + 1 = 22
- Rounded to the nearest 10
- 388,020
- Rounded to the nearest 100
- 388,000
- Rounded to the nearest 1000
- 388,000
- Number before
- 388,020
- Number after
- 388,022
- In binary
1011110101110110101
Quick check
What number comes just after 388,021?
Show the answer
388,022
Is 388,021 even or odd?
Show the answer
Odd
What is 388,021 + 10?
Show the answer
388,031
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 388,021 in words?
388,021 is written "three hundred and eighty-eight thousand and twenty-one".
Is 388,021 a prime number?
No. 388,021 is a composite number, because it has more than two factors.
What are the factors of 388,021?
The factors of 388,021 are 1, 61, 6,361 and 388,021.