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One millionth is equal to 0.000 001, or 1 x 10 −6 in scientific notation.It is the reciprocal of a million, and can be also written as 1 ⁄ 1,000,000. [1] Units using this fraction can be indicated using the prefix "micro-" from Greek, meaning "small". [2]
Biology – Blood cells in the human body: The average human body is estimated to have (2.5 ± .5) × 10 13 red blood cells. [40] [41] Mathematics – Known digits of π: As of March 2019, the number of known digits of π is 31,415,926,535,897 (the integer part of π × 10 13). [42] Biology – approximately 10 14 synapses in the human brain. [43]
An order of magnitude of time is usually a decimal prefix or decimal order-of-magnitude quantity together with a base unit of time, like a microsecond or a million years. In some cases, the order of magnitude may be implied (usually 1), like a "second" or "year". In other cases, the quantity name implies the base unit, like "century". In most ...
67,108,864 = 8192 2 = 4 13 = 2 26, number of primitive polynomials of degree 32 over GF(2) [14] 67,109,540 = Leyland number using 2 & 26 (2 26 + 26 2 ) 67,110,932 = number of 32-bead binary necklaces with beads of 2 colors where the colors may be swapped but turning over is not allowed [ 15 ]
The term myriometer (abbr. mom, equivalent to 100 micrometers; frequently confused with the myriameter, 10 kilometers) [98] is deprecated; the decimal metric prefix myrio-[99] is obsolete [100] [101] [102] and was not included among the prefixes when the International System of Units was introduced in 1960. 100 μm – 1/10 of a millimeter
For very large values, the text is generally shorter than a decimal numeric representation although longer than scientific notation. Two naming scales for large numbers have been used in English and other European languages since the early modern era: the long and short scales.
Toasted skin syndrome has gone viral on social media, as heating pad users reveal their discolored skin. Dermatologists discussed the cause and consequences of the condition.
10 13: 1 × 10 13 kg Mass of comet 67P/Churyumov–Gerasimenko [118] 4 × 10 13 kg Global annual human carbon dioxide emission [119] [120] 10 14: 1.05 × 10 14 kg Global net primary production – the total mass of carbon fixed in organic compounds by photosynthesis each year on Earth [121] 7.2 × 10 14 kg Total carbon stored in Earth's ...