18002000

18002000 is the integer 18,002,000 in decimal notation. It is the product of 1000 and 18,002, i.e., 18,002 × 1000, and equals eighteen million two thousand.

It is an even composite number. Its prime factorization is 2^4 × 5^3 × 9001, where 9001 is prime. Consequently, it is divisible by 2^4 (16), 5^3 (125), and 1000, among many other divisors. The sum of its digits is 11, so it is not divisible by 3 or 9. The number has 40 positive divisors.

In mathematical contexts, numbers ending with three zeros are often encountered in measurements or scaled values; 18002000 could represent 18,002 units of a base thousand, or 18,002 × 10^3. In decimal form it displays a pattern of a large leading block followed by zeros.

There is no widely known constant, theorem, or historical event associated specifically with the number 18,002,000. It is primarily of interest as an example of a large composite integer with factorization including a sizable prime factor (9001) and a multiple of 1000.