Scientific Notation Converter

Convert to and from scientific notation

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Decimal to Scientific Notation

1.23456789 × 108

1.23456789e+8

Scientific Notation to Decimal

× 10

123000

Engineering Notation

123.457 × 10^6

Exponent is multiple of 3 (kilo, mega, giga, etc.)

SI Prefix Form

123.457 M

mega (106)

Number Formats

Standard:123,456,789Scientific (E notation):1.23456789e+8Significant Figures (3):1.23e+8Significant Figures (5):1.2346e+8

Precision Calculator

3.1416

SI Prefixes Reference
PrefixSymbolFactorValueyottaY10241,000,000,000,000,000,000,000,000zettaZ10211,000,000,000,000,000,000,000exaE10181,000,000,000,000,000,000petaP10151,000,000,000,000,000teraT10121,000,000,000,000gigaG1091,000,000,000megaM1061,000,000kilok1031,000hectoh102100decada10110(base)1001decid10-10.1centic10-20.01millim10-30.001microμ10-60.000001nanon10-90.000000001picop10-120.000000000001femtof10-150.000000000000001attoa10-180.000000000000000001
Powers of 10
10-10010-9010-8010-7010-6010-5010-4010-30.00110-20.0110-10.11001101101021001031000104100001051000001061000000107100000001081000000001091000000000101010000000000