Decimal Places of Irrational Numbers | Calculate with Large Numbers | Billion and Milliard | Write Out Powers | Exponential Function
Write Out Powers
Conversion of a number in power notation into a number with many numerals. Numbers with many digits are often written as a power, e.g. 1.5 * 1012 or 3e-9. Here 1.5 and 3 is the multiplier, 12 and -9 is the exponent. The base is 10. These numbers are written out as 1500000000000 and 0.000000003 respectively.
Please enter multiplier and exponent to have a number written out. The exponent must be an integer, which can be positive or negative, it can range from -49 to +62.
Examples: With a multiplier of 2 and an exponent of 4, you get 2 * 104, which is 20000, written out as twenty thousand. With a multiplier of 3 and an exponent of 12, you get 3 * 1012, which is 3000000000000, written out as three trillion.
Concert Number into e-Notation
Here a number can be converted into the power notation with e. 2e+3 e.g. is 2 * 103, respectively 2000.
Example: 456345637576856 in exponential notation with e results in 4.56345637576856e+14. This is equivalent to 4.56... * 1014.
Superscript notation, a * 10n, or e-notation, aen, with a as the multiplier and n as the exponent or power of ten, is of course much clearer than writing out decimals. Nevertheless, the written out notation is sometimes needed, especially where the number doesn't need to be read by humans. For example, when copying it into a computer program that can't handle exponential notation or interprets it incorrectly. E-notation is easy to read once you know it and is understood by some programs and many programming languages. Superscript notation is the most familiar to humans, but it can't be copied into computer programs. So each type of notation for large numbers has its justification and its application cases, if you have to deal with these numbers you should know these notations.
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This page in German: Nachkommastellen irrationaler Zahlen, Rechnen mit großen Zahlen, Billion und Milliarde, Potenzen ausschreiben, Exponentialfunktion
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