5000000

Five million, written as 5,000,000 in base-10, is the natural number following 4,999,999 and preceding 5,000,001. It is a round number, equal to 5 × 10^6, or 1,000,000 × 5. In word form it is pronounced “five million.”

Mathematics: 5,000,000 is even and composite. Its prime factorization is 2^6 × 5^7, indicating divisibility by powers of two and by powers of five; in particular, it is a multiple of 1,000,000. It is not a prime, nor a perfect square. In the binary range, it lies between 2^22 (4,194,304) and 2^23 (8,388,608).

Numeral systems and notation: In Roman numerals, very large values are typically indicated with vincula, so five million may be represented with an overlined symbol to denote multiplication by 1,000, though this notation is uncommon in ordinary text. In scientific and technical contexts, 5,000,000 is written as 5 × 10^6.

Uses and significance: Five million is a common milestone in statistics, budgeting, population counts, and data sets. As a round, easily communicable figure, it is frequently used as a benchmark or reference point in various disciplines.

See also: million, large numbers, 1,000,000, 10,000,000.