Example image of eyePlorer eyePlorer map for 'Order of magnitude': Geometric progression Level of measurement Magnitude (mathematics) Decade (log scale) Logarithmic scale Units of measurement 100 (number) Significant figures Common logarithm Integer Truncation Rounding 1000000000 (number) Earth Human Population Orders of approximation Saturn Radix Decimal Decimal superbase Numeral system International System of Units Long and short scales SI prefix Apparent magnitude Large numbers Super-logarithm Tetration Multiplicative inverse Graphical timeline from Big Bang to Heat Death Milky Way Subatomic particle 1 attometre 1 decametre 1 decimetre 1 E+1 m³ 1 E+10 m² 1 E+10 m³ 1 E+11 m² 1 E+11 m³ 1 E+12 m² 1 E+12 m³ 1 E+15 m³ 1 E+18 m³ 1 E+2 m³ 1 E+24 m² 1 E+25 m² 1 E+3 m³ 1 E+4 m²