The number 10 (ten) is the positive integer after nine and is the first two-digit positive integer. It is written using the digits 1 and 0. On a standard computer keyboard or calculator keypad, enter 10 by pressing 1 followed by 0. As a Roman numeral, X represents 10. Get a table of the metric prefixes for the powers of 10. The prefixes also express numbers in scientific notation. The number 10 is linked to so many areas of life, such as numerology, math, culture, and so much more. Here are our top ten number 10 facts. In mathematics, a power of 10 is any of the integer powers of the number ten; in other words, ten multiplied by itself a certain number of times (when the power is a positive integer). Learn the different ways number 10 can be represented. See the number ten on a number line, ten frame, numeral, word, dice, dominoes, tally marks, fingers and picture representations. The meaning and symbolism of number 10. The French Revolution clock and other fun facts about number. Number ten in religions. Ten is the base of decimal numeral systems, the most common systems for denoting numbers in both spoken and written language. The English name for the number ten originates from the Proto-Germanic root *tehun, which in turn comes from the Proto-Indo-European root *déḱm̥. You can use this page to download a disc image (ISO file) that can be used to install or reinstall Windows 10. The image can also be used to create installation media using a USB flash drive or DVD. This free online calculator can be used for basic computations such as addition, subtraction, multiplication, division, and square roots. Previous full daily episodes of the best 10 minutes in news. These drones used to track sharks. Now they're searching for koalas | November 4, 2026. Content created exclusively for CNN10. A.