842521428
842,521,428 is an even composite number composed of six prime numbers multiplied together.
842521428 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 842521428:
22 × 32 × 7 × 17 × 193 × 1019
(2 × 2 × 3 × 3 × 7 × 17 × 193 × 1019)See below for interesting mathematical facts about the number 842521428 from the Numbermatics database.
Names of 842521428
- Cardinal: 842521428 can be written as Eight hundred forty-two million, five hundred twenty-one thousand, four hundred twenty-eight.
Scientific notation
- Scientific notation: 8.42521428 × 108
Factors of 842521428
Divisors of 842521428
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 3 4 6 7 9 12 14 17 18 21 28 34 36 42 51 63 68 84 102 119 126 153 193 204 238 252 306 357 386 476 579 612 714 772 1019 1071 1158 1351 1428 1737 2038 2142 2316 2702 3057 3281 3474 4053 4076 4284 5404 6114 6562 6948 7133 8106 9171 9843 12159 12228 13124 14266 16212 17323 18342 19686 21399 22967 24318 28532 29529 34646 36684 39372 42798 45934 48636 51969 59058 64197 68901 69292 85596 91868 103938 118116 121261 128394 137802 155907 196667 206703 207876 242522 256788 275604 311814 363783 393334 413406 485044 590001 623628 727566 786668 826812 1091349 1180002 1376669 1455132 1770003 2182698 2360004 2753338 3343339 3540006 4130007 4365396 5506676 6686678 7080012 8260014 10030017 12390021 13373356 16520028 20060034 23403373 24780042 30090051 40120068 46806746 49560084 60180102 70210119 93613492 120360204 140420238 210630357 280840476 421260714 842521428
- Sum of all divisors σ(n): 2593019520
- Sum of proper divisors (its aliquot sum) s(n): 1750498092
- 842521428 is an abundant number, because the sum of its proper divisors (1750498092) is greater than itself. Its abundance is 907976664
Bases of 842521428
- Binary: 1100100011011111011011010101002
- Hexadecimal: 0x3237DB54
- Base-36: DXM5P0
Squares and roots of 842521428
- 842521428 squared (8425214282) is 709842356639159184
- 842521428 cubed (8425214283) is 598057395970509676422994752
-
The
square root of 842521428 is 29026.2196642967 -
The
cube root of 842521428 is 944.4819264951
Scales and comparisons
How big is 842521428?- 842,521,428 seconds is equal to 26 years, 41 weeks, 9 hours, 43 minutes, 48 seconds.
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To count from 1 to 842,521,428 would take you about forty 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 842521428 cubic inches would be around 78.7 feet tall.
Recreational maths with 842521428
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