19000000

19000000, written as 19,000,000 and spoken as nineteen million, is the integer that results from multiplying nineteen by one million. In scientific notation it is 1.9 × 10^7. It is an even, composite number. The prime factorization is 2^6 × 5^6 × 19, since 1,000,000 equals 2^6 × 5^6 and 19 is prime. Thus 19,000,000 = 19 × 1,000,000 and ends with six zeros.

It is divisible by 2, 4, 5, 8, 10, and, in particular, by 10^6. In decimal terms the last six digits are zeros, reflecting its status as a multiple of a million. It is not divisible by 3 or 9, as the sum of its digits is 10. The scientific form is 1.9 × 10^7.

Typical uses of the number include representing counts in statistics, budgets, or data totals. As a unit of data, 19,000,000 bytes approximates 18.1 mebibytes (MiB). The name is read as nineteen million and belongs to the set of integers, which are used for exact counting in mathematics and applied disciplines.