810
Number 810: Properties, Factors, and Mathematical Facts
Short answer
The number 810 is an even composite number with 20 positive divisors. Its prime factorization is 2 × 3⁴ × 5. It is also an abundant number, which gives it several notable mathematical relationships.
Is 810 prime?
ClassificationCompositeParityEvenDivisor count20AbundanceAbundant
What is the prime factorization of 810?
Prime factorization
2 times 3 to the power of 4 times 5
What are the divisors of 810?
Divisor count
20
Divisor sum
2,178
Proper divisor sum
1,368
- 1
- 2
- 3
- 5
- 6
- 9
- 10
- 15
- 18
- 27
- 30
- 45
- 54
- 81
- 90
- 135
- 162
- 270
- 405
- 810
How is 810 classified?
How is 810 represented in other numeral systems?
Decimal
810
Binary
1100101010
Octal
1452
Hexadecimal
32A
Roman
DCCCXLearn more →
In words
eight hundred ten
Roots and powers
Square root
28.460499 Approximate
Cube root
9.321698 Approximate
Nearest lower square
784
Nearest higher square
841
Nearest lower cube
729
Nearest higher cube
1000
What are the digit properties of 810?
Which numbers are related to 810?
Why these results are true
- 810 is composite because it has positive divisors other than 1 and itself.
- 810 is abundant because the sum of its proper divisors (1368) is greater than 810.
Compare this number
FAQ for 810
- Is 810 prime?
- No
- What is the prime factorization of 810?
- 2 × 3⁴ × 5
- Is 810 a perfect square?
- No
- What is 810 in binary?
- 1100101010
- What is 810 in Roman numerals?
- DCCCX