47981990
47,981,990 is an even composite number composed of six prime numbers multiplied together.
47981990 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 47981990:
2 × 5 × 7 × 17 × 61 × 661
See below for interesting mathematical facts about the number 47981990 from the Numbermatics database.
Names of 47981990
- Cardinal: 47981990 can be written as Forty-seven million, nine hundred eighty-one thousand, nine hundred ninety.
Scientific notation
- Scientific notation: 4.798199 × 107
Factors of 47981990
Divisors of 47981990
- Number of divisors d(n): 64
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Complete list of divisors:
1 2 5 7 10 14 17 34 35 61 70 85 119 122 170 238 305 427 595 610 661 854 1037 1190 1322 2074 2135 3305 4270 4627 5185 6610 7259 9254 10370 11237 14518 22474 23135 36295 40321 46270 56185 72590 78659 80642 112370 157318 201605 282247 393295 403210 564494 685457 786590 1370914 1411235 2822470 3427285 4798199 6854570 9596398 23990995 47981990
- Sum of all divisors σ(n): 106386048
- Sum of proper divisors (its aliquot sum) s(n): 58404058
- 47981990 is an abundant number, because the sum of its proper divisors (58404058) is greater than itself. Its abundance is 10422068
Bases of 47981990
- Binary: 101101110000100101101001102
- Hexadecimal: 0x2DC25A6
- Base-36: SKF52
Squares and roots of 47981990
- 47981990 squared (479819902) is 2302271364360100
- 47981990 cubed (479819903) is 110467561582012674599000
-
The
square root of 47981990 is 6926.9033485389 -
The
cube root of 47981990 is 363.3786596281
Scales and comparisons
How big is 47981990?- 47,981,990 seconds is equal to 1 year, 27 weeks, 2 days, 8 hours, 19 minutes, 50 seconds.
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To count from 1 to 47,981,990 would take you about two years!
This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)
- A cube with a volume of 47981990 cubic inches would be around 30.3 feet tall.
Recreational maths with 47981990
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The information we have on file for 47981990 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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