82639872
82,639,872 is an even composite number composed of four prime numbers multiplied together.
82639872 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of two hundred sixty-four divisors.
Prime factorization of 82639872:
210 × 33 × 72 × 61
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 7 × 7 × 61)See below for interesting mathematical facts about the number 82639872 from the Numbermatics database.
Names of 82639872
- Cardinal: 82639872 can be written as Eighty-two million, six hundred thirty-nine thousand, eight hundred seventy-two.
Scientific notation
- Scientific notation: 8.2639872 × 107
Factors of 82639872
Divisors of 82639872
- Number of divisors d(n): 264
-
Complete list of divisors:
1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 32 36 42 48 49 54 56 61 63 64 72 84 96 98 108 112 122 126 128 144 147 168 183 189 192 196 216 224 244 252 256 288 294 336 366 378 384 392 427 432 441 448 488 504 512 549 576 588 672 732 756 768 784 854 864 882 896 976 1008 1024 1098 1152 1176 1281 1323 1344 1464 1512 1536 1568 1647 1708 1728 1764 1792 1952 2016 2196 2304 2352 2562 2646 2688 2928 2989 3024 3072 3136 3294 3416 3456 3528 3584 3843 3904 4032 4392 4608 4704 5124 5292 5376 5856 5978 6048 6272 6588 6832 6912 7056 7168 7686 7808 8064 8784 8967 9216 9408 10248 10584 10752 11529 11712 11956 12096 12544 13176 13664 13824 14112 15372 15616 16128 17568 17934 18816 20496 21168 21504 23058 23424 23912 24192 25088 26352 26901 27328 27648 28224 30744 31232 32256 35136 35868 37632 40992 42336 46116 46848 47824 48384 50176 52704 53802 54656 56448 61488 62464 64512 70272 71736 75264 80703 81984 84672 92232 93696 95648 96768 105408 107604 109312 112896 122976 140544 143472 150528 161406 163968 169344 184464 187392 191296 193536 210816 215208 218624 225792 245952 281088 286944 322812 327936 338688 368928 382592 421632 430416 437248 451584 491904 562176 573888 645624 655872 677376 737856 765184 843264 860832 983808 1147776 1291248 1311744 1354752 1475712 1530368 1686528 1721664 1967616 2295552 2582496 2951424 3060736 3443328 3935232 4591104 5164992 5902848 6886656 9182208 10329984 11805696 13773312 20659968 27546624 41319936 82639872
- Sum of all divisors σ(n): 289363920
- Sum of proper divisors (its aliquot sum) s(n): 206724048
- 82639872 is an abundant number, because the sum of its proper divisors (206724048) is greater than itself. Its abundance is 124084176
Bases of 82639872
- Binary: 1001110110011111100000000002
- Hexadecimal: 0x4ECFC00
- Base-36: 1D79C0
Squares and roots of 82639872
- 82639872 squared (826398722) is 6829348444176384
- 82639872 cubed (826398723) is 564376481270135519182848
-
The
square root of 82639872 is 9090.6475016909 -
The
cube root of 82639872 is 435.5752674375
Scales and comparisons
How big is 82639872?- 82,639,872 seconds is equal to 2 years, 32 weeks, 4 days, 11 hours, 31 minutes, 12 seconds.
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To count from 1 to 82,639,872 would take you about three 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 82639872 cubic inches would be around 36.3 feet tall.
Recreational maths with 82639872
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