13500000

The number **13,500,000** is a composite integer that appears in various scientific, mathematical, and real-world contexts. It is equivalent to 13.5 million and can be expressed as 1.35 × 10⁷ in scientific notation. This number is often used in statistical, economic, and demographic analyses to represent large-scale quantities.

In astronomy, 13,500,000 is sometimes referenced in discussions about distances or quantities related to celestial objects. For example, it approximates the number of stars in some smaller galaxies or the estimated number of galaxies observable within a certain volume of space. Additionally, it has been used in studies of cosmic phenomena, such as the number of known exoplanets or the approximate mass of certain astronomical bodies in solar masses.

From a biological perspective, 13,500,000 can represent quantities like the number of neurons in the human brain or the estimated count of cells in certain multicellular organisms. It also appears in ecological studies, where it may denote population sizes of species or the number of individual organisms in a given ecosystem.

In economics, 13,500,000 might refer to the population of a country or region, the number of transactions processed annually, or the estimated value of a market in millions of units. Historical records and census data often utilize such figures to describe demographic trends or economic growth over time.

Mathematically, 13,500,000 is divisible by a wide range of numbers, including 2, 3, 5, and 7, making it a useful benchmark in calculations involving large datasets or statistical sampling. Its prime factorization is 2³ × 3² × 5⁶, reflecting its composite nature.

While not inherently significant on its own, 13,500,000 serves as a practical reference point in fields requiring large-scale measurements or comparisons. Its relevance depends on the context in which it is applied, ranging from scientific research to everyday data analysis.