138,720 in words
138,720
one hundred thirty-eight thousand seven hundred twenty
138,720 is written one hundred thirty-eight thousand seven hundred twenty.
Ways to write it
- As an ordinal
- one hundred thirty-eight thousand seven hundred twentieth
- Expanded form
- 100,000 + 30,000 + 8,000 + 700 + 20
Place value
| Place | Digit | Value |
|---|---|---|
| hundred thousands | 1 | 100,000 |
| ten thousands | 3 | 30,000 |
| thousands | 8 | 8,000 |
| hundreds | 7 | 700 |
| tens | 2 | 20 |
| ones | 0 | 0 |
Number facts
- Even or odd
- Even
- Prime or composite
- Composite
- Factors
- 72 factors: too many to list
- First 10 multiples
- 138,720, 277,440, 416,160, 554,880, 693,600, 832,320, 971,040, 1,109,760, 1,248,480, 1,387,200
- Square
- 138,720 × 138,720 = 19,243,238,400
- Square root
- ≈ 372.45
- Sum of the digits
- 1 + 3 + 8 + 7 + 2 + 0 = 21
- Rounded to the nearest 10
- 138,720
- Rounded to the nearest 100
- 138,700
- Rounded to the nearest 1000
- 139,000
- Number before
- 138,719
- Number after
- 138,721
- In binary
100001110111100000
Quick check
What number comes just after 138,720?
Show the answer
138,721
Is 138,720 even or odd?
Show the answer
Even
What is 138,720 + 10?
Show the answer
138,730
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 138,720 in words?
138,720 is written "one hundred thirty-eight thousand seven hundred twenty".
Is 138,720 a prime number?
No. 138,720 is a composite number, because it has more than two factors.