1840
Number 1840: Properties, Factors, and Mathematical Facts
Short answer
The number 1840 is an even composite number with 20 positive divisors. Its prime factorization is 2⁴ × 5 × 23. It is also an abundant number, which gives it several notable mathematical relationships.
Is 1840 prime?
ClassificationCompositeParityEvenDivisor count20AbundanceAbundant
What is the prime factorization of 1840?
Prime factorization
2 to the power of 4 times 5 times 23
What are the divisors of 1840?
Divisor count
20
Divisor sum
4,464
Proper divisor sum
2,624
- 1
- 2
- 4
- 5
- 8
- 10
- 16
- 20
- 23
- 40
- 46
- 80
- 92
- 115
- 184
- 230
- 368
- 460
- 920
- 1840
How is 1840 classified?
How is 1840 represented in other numeral systems?
Decimal
1840
Binary
11100110000
Octal
3460
Hexadecimal
730
Roman
MDCCCXLLearn more →
In words
one thousand eight hundred forty
Roots and powers
Square root
42.895221 Approximate
Cube root
12.253851 Approximate
Nearest lower square
1764
Nearest higher square
1849
Nearest lower cube
1728
Nearest higher cube
2197
What are the digit properties of 1840?
Which numbers are related to 1840?
Why these results are true
- 1840 is composite because it has positive divisors other than 1 and itself.
- 1840 is abundant because the sum of its proper divisors (2624) is greater than 1840.
Compare this number
FAQ for 1840
- Is 1840 prime?
- No
- What is the prime factorization of 1840?
- 2⁴ × 5 × 23
- Is 1840 a perfect square?
- No
- What is 1840 in binary?
- 11100110000
- What is 1840 in Roman numerals?
- MDCCCXL