801,009 in words
801,009
eight hundred one thousand nine
801,009 is written eight hundred one thousand nine.
Ways to write it
- As an ordinal
- eight hundred one thousand ninth
- Expanded form
- 800,000 + 1,000 + 9
Place value
| Place | Digit | Value |
|---|---|---|
| hundred thousands | 8 | 800,000 |
| ten thousands | 0 | 0 |
| thousands | 1 | 1,000 |
| hundreds | 0 | 0 |
| tens | 0 | 0 |
| ones | 9 | 9 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Composite
- Factors
- 1, 3, 9, 11, 27, 29, 31, 33, 81, 87, 93, 99, 261, 279, 297, 319, 341, 783, 837, 891, 899, 957, 1,023, 2,349, 2,511, 2,697, 2,871, 3,069, 8,091, 8,613, 9,207, 9,889, 24,273, 25,839, 27,621, 29,667, 72,819, 89,001, 267,003 and 801,009 (40 factors)
- First 10 multiples
- 801,009, 1,602,018, 2,403,027, 3,204,036, 4,005,045, 4,806,054, 5,607,063, 6,408,072, 7,209,081, 8,010,090
- Square
- 801,009 × 801,009 = 641,615,418,081
- Square root
- ≈ 894.99
- Sum of the digits
- 8 + 0 + 1 + 0 + 0 + 9 = 18
- Rounded to the nearest 10
- 801,010
- Rounded to the nearest 100
- 801,000
- Rounded to the nearest 1000
- 801,000
- Number before
- 801,008
- Number after
- 801,010
- In binary
11000011100011110001
Quick check
What number comes just after 801,009?
Show the answer
801,010
Is 801,009 even or odd?
Show the answer
Odd
What is 801,009 + 10?
Show the answer
801,019
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 801,009 in words?
801,009 is written "eight hundred one thousand nine".
Is 801,009 a prime number?
No. 801,009 is a composite number, because it has more than two factors.
What are the factors of 801,009?
The factors of 801,009 are 1, 3, 9, 11, 27, 29, 31, 33, 81, 87, 93, 99, 261, 279, 297, 319, 341, 783, 837, 891, 899, 957, 1,023, 2,349, 2,511, 2,697, 2,871, 3,069, 8,091, 8,613, 9,207, 9,889, 24,273, 25,839, 27,621, 29,667, 72,819, 89,001, 267,003 and 801,009.