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quarta-feira, setembro 09, 2009

Comemorando o 09/09/09, às 09h 09min 09seg


Scientific notation:

9.09091*^10


Number name:

90 billion, 909 million, 90 thousand and 909


Number length:

11 decimal digits


Binary form:

1010100101010100110101010010001011101_2


Prime factorization:

3^3x7x13x37x101x9901


Residues modulo small integers:

m | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9\n90909090909 mod m | 1 | 0 | 1 | 4 | 3 | 0 | 5 | 0


Properties:

90909090909 is an odd number.

90909090909 divides 100^6-1.


Comparisons:

~~ 0.3 x the number of stars in our galaxy (~~ 3x10^11)

~~ 0.86 x the number of people who have ever lived (~~ 1.1x10^11)

~~ 14 x the number of people alive today (~~ 6.5x10^9)

Computed by Wolfram MathematicaDownload as: PDFLive Mathematica

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