640472639344940
640,472,639,344,940 is an even composite number composed of five prime numbers multiplied together.
640472639344940 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of forty-eight divisors.
Prime factorization of 640472639344940:
22 × 5 × 2237 × 3257 × 4395283
(2 × 2 × 5 × 2237 × 3257 × 4395283)See below for interesting mathematical facts about the number 640472639344940 from the Numbermatics database.
Names of 640472639344940
- Cardinal: 640472639344940 can be written as Six hundred forty trillion, four hundred seventy-two billion, six hundred thirty-nine million, three hundred forty-four thousand, nine hundred forty.
Scientific notation
- Scientific notation: 6.4047263934494 × 1014
Factors of 640472639344940
Divisors of 640472639344940
- Number of divisors d(n): 48
-
Complete list of divisors:
1 2 4 5 10 20 2237 3257 4474 6514 8948 11185 13028 16285 22370 32570 44740 65140 4395283 7285909 8790566 14571818 17581132 21976415 29143636 36429545 43952830 72859090 87905660 145718180 9832248071 14315436731 19664496142 28630873462 39328992284 49161240355 57261746924 71577183655 98322480710 143154367310 196644961420 286308734620 32023631967247 64047263934494 128094527868988 160118159836235 320236319672470 640472639344940
- Sum of all divisors σ(n): 1346007236226912
- Sum of proper divisors (its aliquot sum) s(n): 705534596881972
- 640472639344940 is an abundant number, because the sum of its proper divisors (705534596881972) is greater than itself. Its abundance is 65061957537032
Bases of 640472639344940
- Binary: 100100011010000001101010000010100000010001001011002
- Hexadecimal: 0x24681A828112C
- Base-36: 6B112GYAEK
Squares and roots of 640472639344940
- 640472639344940 squared (6404726393449402) is 410205201749473585312303603600
- 640472639344940 cubed (6404726393449403) is 262725208237508946337226146684527905425784000
-
The
square root of 640472639344940 is 25307560.9125996179 -
The
cube root of 640472639344940 is 86198.5963520977
Scales and comparisons
How big is 640472639344940?- 640,472,639,344,940 seconds is equal to 20,365,048 years, 42 weeks, 4 days, 4 hours, 42 minutes, 20 seconds.
-
To count from 1 to 640,472,639,344,940 would take you about fifty million, nine hundred twelve thousand, six hundred twenty-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 640472639344940 cubic inches would be around 7183.2 feet tall.
Recreational maths with 640472639344940
- 640472639344940 backwards is 049443936274046
- The number of decimal digits it has is: 15
- The sum of 640472639344940's digits is 65
- More coming soon!
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The information we have on file for 640472639344940 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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