428821307985
428,821,307,985 is an odd composite number composed of six prime numbers multiplied together.
428821307985 is an odd composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.
Prime factorization of 428821307985:
3 × 5 × 73 × 23 × 941 × 3851
(3 × 5 × 7 × 7 × 7 × 23 × 941 × 3851)See below for interesting mathematical facts about the number 428821307985 from the Numbermatics database.
Names of 428821307985
- Cardinal: 428821307985 can be written as Four hundred twenty-eight billion, eight hundred twenty-one million, three hundred seven thousand, nine hundred eighty-five.
Scientific notation
- Scientific notation: 4.28821307985 × 1011
Factors of 428821307985
Divisors of 428821307985
- Number of divisors d(n): 128
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Complete list of divisors:
1 3 5 7 15 21 23 35 49 69 105 115 147 161 245 343 345 483 735 805 941 1029 1127 1715 2415 2823 3381 3851 4705 5145 5635 6587 7889 11553 14115 16905 19255 19761 21643 23667 26957 32935 39445 46109 57765 64929 80871 88573 98805 108215 118335 134785 138327 151501 188699 230545 265719 322763 324645 404355 442865 454503 566097 620011 691635 757505 943495 968289 1060507 1320893 1328595 1613815 1860033 2272515 2830485 3100055 3181521 3623791 3962679 4340077 4841445 5302535 6604465 7423549 9300165 10871373 13020231 15907605 18118955 19813395 21700385 22270647 25366537 30380539 37117745 54356865 65101155 76099611 83347193 91141617 111353235 126832685 151902695 177565759 250041579 380498055 416735965 455708085 532697277 583430351 887828795 1242960313 1250207895 1750291053 2663486385 2917151755 3728880939 4084012457 6214801565 8751455265 12252037371 18644404695 20420062285 28588087199 61260186855 85764261597 142940435995 428821307985
- Sum of all divisors σ(n): 836025753600
- Sum of proper divisors (its aliquot sum) s(n): 407204445615
- 428821307985 is a deficient number, because the sum of its proper divisors (407204445615) is less than itself. Its deficiency is 21616862370
Bases of 428821307985
- Binary: 1100011110101111011110111100010010100012
- Hexadecimal: 0x63D7BDE251
- Base-36: 5GZX4UVL
Squares and roots of 428821307985
- 428821307985 squared (4288213079852) is 183887714181966224760225
- 428821307985 cubed (4288213079853) is 78854970117882590800772177502896625
-
The
square root of 428821307985 is 654844.4914519779 -
The
cube root of 428821307985 is 7540.9394283915
Scales and comparisons
How big is 428821307985?- 428,821,307,985 seconds is equal to 13,635 years, 9 weeks, 6 days, 13 hours, 59 minutes, 45 seconds.
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To count from 1 to 428,821,307,985 would take you about twenty-seven thousand, two hundred seventy 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 428821307985 cubic inches would be around 628.4 feet tall.
Recreational maths with 428821307985
- 428821307985 backwards is 589703128824
- The number of decimal digits it has is: 12
- The sum of 428821307985's digits is 57
- More coming soon!
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The information we have on file for 428821307985 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!
Keywords: Divisors of 428821307985, math, Factors of 428821307985, curriculum, school, college, exams, university, Prime factorization of 428821307985, STEM, science, technology, engineering, physics, economics, calculator, four hundred twenty-eight billion, eight hundred twenty-one million, three hundred seven thousand, nine hundred eighty-five.