1890
Number 1890 properties
- 1890 is an even number.
- 1890 is a Harshad number, which means it is divisible by the sum of its digits (1890 = 18, and 1890 is divisible by 18).
Number 1890 - properties and curiosities
1890 (number)
Prime factorization
Prime factorization of 1890: 2 × 3^3 × 5 × 7.
Divisors
Divisor count: 32
1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890
Factors of 1890 are: 1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630.
Representations
In octal, 1890 is represented as 3542.
In binary, 1890 is represented as 11101100010.
In hex, 1890 is represented as 762.
Roman numeral: MDCCCXC
Curiosities
- 1890 is divisible by the sum of its digits.
Related numbers
Quick answers
Is 1890 prime?
No, 1890 is not prime.
What are the factors of 1890?
1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630
What is 1890 in binary?
11101100010