1 mega-anything = 1 million of them. 1 joule = 0.000001 megajoule
1 million.
10
The prefix giga means a billion (a thousand millions).
This question has been answered in wikipedia:A joule is ...The work required to continuously produce one watt of power for one second; or one watt second (W·s) (compare kilowatt hour). This relationship can be used to define the watt.http:/en.wikipedia.org/wiki/JouleThe kilowatt hour, or kilowatt-hour, (symbol kW·h, kWh) is a unit of energy equal to 3,600,000 joules. Energy in watt hours is the multiplication of power in watts and time in hours.http:/en.wikipedia.org/wiki/Kilowatt_hour
10^-7 joule
1 kilocalorie = 4186.8 joule = 0.0041868 megajoule (rounded) 1 megajoule = 238.85 kilocalorie (rounded)
One joule is 0.239 calories.
About one megajoule. About, because Joule (as an abbreviation) should be spelt with an upper case initial, since it is named after a real person. 1MJ.For a list of all the SI prefixes, (mega, milli,) see the subject under the BIPM website. (Bureau Intenational des Poids et Measures). This is the international agency responsible for these things.
4NewtonMeters
This cannot be answered. This does not make any sense.
677 kilocalories equal 2 834 464 joule 677 calories equal to approx. 2 831 joule.