138,420 in words
138,420
one hundred thirty-eight thousand four hundred twenty
138,420 is written one hundred thirty-eight thousand four hundred twenty.
Ways to write it
- As an ordinal
- one hundred thirty-eight thousand four hundred twentieth
- Expanded form
- 100,000 + 30,000 + 8,000 + 400 + 20
Place value
| Place | Digit | Value |
|---|---|---|
| hundred thousands | 1 | 100,000 |
| ten thousands | 3 | 30,000 |
| thousands | 8 | 8,000 |
| hundreds | 4 | 400 |
| tens | 2 | 20 |
| ones | 0 | 0 |
Number facts
- Even or odd
- Even
- Prime or composite
- Composite
- Factors
- 1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 769, 1,538, 2,307, 3,076, 3,845, 4,614, 6,921, 7,690, 9,228, 11,535, 13,842, 15,380, 23,070, 27,684, 34,605, 46,140, 69,210 and 138,420 (36 factors)
- First 10 multiples
- 138,420, 276,840, 415,260, 553,680, 692,100, 830,520, 968,940, 1,107,360, 1,245,780, 1,384,200
- Square
- 138,420 × 138,420 = 19,160,096,400
- Square root
- ≈ 372.05
- Sum of the digits
- 1 + 3 + 8 + 4 + 2 + 0 = 18
- Rounded to the nearest 10
- 138,420
- Rounded to the nearest 100
- 138,400
- Rounded to the nearest 1000
- 138,000
- Number before
- 138,419
- Number after
- 138,421
- In binary
100001110010110100
Quick check
What number comes just after 138,420?
Show the answer
138,421
Is 138,420 even or odd?
Show the answer
Even
What is 138,420 + 10?
Show the answer
138,430
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 138,420 in words?
138,420 is written "one hundred thirty-eight thousand four hundred twenty".
Is 138,420 a prime number?
No. 138,420 is a composite number, because it has more than two factors.
What are the factors of 138,420?
The factors of 138,420 are 1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 769, 1,538, 2,307, 3,076, 3,845, 4,614, 6,921, 7,690, 9,228, 11,535, 13,842, 15,380, 23,070, 27,684, 34,605, 46,140, 69,210 and 138,420.