Decimal Places of Irrational Numbers | Calculate with Large Numbers | Billion and Milliard | Write Out Powers | Exponential Function

# Calculate with Large Numbers

Basic arithmetic operations, root and powers with very large and very small numbers with numerals up to vigintillion can be calculated here. Please enter a number and a numeral, choose an operator and enter another number and numeral.

Behind the numeral is the order of magnitude in brackets, e.g. [6] at million. The root symbol √ can be choosen to calculate with the square root. An integer power up to 10 can also be choosen. The power is calculated before the root. Allowed input values are numbers and fractions like 1/2.

The result will be shown as number without and with numeral. It is rounded to 2000 decimal places. The method used is unfortunately not perfect, with very long numbers, calculation errors can occur in the last few digits.

Example: 2 nonillion divided by 5 quintillionth are 400 quattuordecillion.

Writing as a power of ten is much easier to handle and read for very large numbers and for very small numbers between 0 and 1. The height of the power indicates the number of zeros, so 10 to the power of 3 is a one with three zeros, i.e. 1000. 10 to the power of -3 has also three zeros, one before and two after the decimal point, i.e. a thousandth, 0.001. 10 to the power of 0 is 1. Every number except zero itself to the power of 0 results in 1, that is a sensible definition.

Very large or small numbers are needed, for example, in areas of the very large and small, such as in astronomy and particle physics. There are several hundred billion stars in our galaxy and several hundred billion galaxies in the universe. On the other side of the scale, for example, the diameter of a proton is in the range of quadrillionths of a meter.

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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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