855128988
855,128,988 is an even composite number composed of five prime numbers multiplied together.
What does the number 855128988 look like?
This visualization shows the relationship between its 5 prime factors (large circles) and 180 divisors.
855128988 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred eighty divisors.
Prime factorization of 855128988:
22 × 34 × 72 × 61 × 883
(2 × 2 × 3 × 3 × 3 × 3 × 7 × 7 × 61 × 883)See below for interesting mathematical facts about the number 855128988 from the Numbermatics database.
Names of 855128988
- Cardinal: 855128988 can be written as Eight hundred fifty-five million, one hundred twenty-eight thousand, nine hundred eighty-eight.
Scientific notation
- Scientific notation: 8.55128988 × 108
Factors of 855128988
Divisors of 855128988
- Number of divisors d(n): 180
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Complete list of divisors:
1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 49 54 61 63 81 84 98 108 122 126 147 162 183 189 196 244 252 294 324 366 378 427 441 549 567 588 732 756 854 882 883 1098 1134 1281 1323 1647 1708 1764 1766 2196 2268 2562 2646 2649 2989 3294 3532 3843 3969 4941 5124 5292 5298 5978 6181 6588 7686 7938 7947 8967 9882 10596 11529 11956 12362 15372 15876 15894 17934 18543 19764 23058 23841 24724 26901 31788 34587 35868 37086 43267 46116 47682 53802 53863 55629 69174 71523 74172 80703 86534 95364 107604 107726 111258 129801 138348 143046 161406 161589 166887 173068 215452 222516 242109 259602 286092 322812 323178 333774 377041 389403 484218 484767 500661 519204 646356 667548 754082 778806 968436 969534 1001322 1131123 1168209 1454301 1508164 1557612 1939068 2002644 2262246 2336418 2639287 2908602 3393369 3504627 4362903 4524492 4672836 5278574 5817204 6786738 7009254 7917861 8725806 10180107 10557148 13573476 14018508 15835722 17451612 20360214 23753583 30540321 31671444 40720428 47507166 61080642 71260749 95014332 122161284 142521498 213782247 285042996 427564494 855128988
- Sum of all divisors σ(n): 2646075432
- Sum of proper divisors (its aliquot sum) s(n): 1790946444
- 855128988 is an abundant number, because the sum of its proper divisors (1790946444) is greater than itself. Its abundance is 935817456
Bases of 855128988
- Binary: 1100101111100000111011100111002
- Hexadecimal: 0x32F83B9C
- Base-36: E54DR0
Squares and roots of 855128988
- 855128988 squared (8551289882) is 731245586117904144
- 855128988 cubed (8551289883) is 625309298036470219339726272
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The
square root of 855128988 is 29242.5885995069 -
The
cube root of 855128988 is 949.1697225835
Scales and comparisons
How big is 855128988?- 855,128,988 seconds is equal to 27 years, 9 weeks, 6 days, 7 hours, 49 minutes, 48 seconds.
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To count from 1 to 855,128,988 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 855128988 cubic inches would be around 79.1 feet tall.
Recreational maths with 855128988
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