84121728
84,121,728 is an even composite number composed of five prime numbers multiplied together.
84121728 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.
Prime factorization of 84121728:
27 × 3 × 47 × 59 × 79
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 47 × 59 × 79)See below for interesting mathematical facts about the number 84121728 from the Numbermatics database.
Names of 84121728
- Cardinal: 84121728 can be written as Eighty-four million, one hundred twenty-one thousand, seven hundred twenty-eight.
Scientific notation
- Scientific notation: 8.4121728 × 107
Factors of 84121728
Divisors of 84121728
- Number of divisors d(n): 128
-
Complete list of divisors:
1 2 3 4 6 8 12 16 24 32 47 48 59 64 79 94 96 118 128 141 158 177 188 192 236 237 282 316 354 376 384 472 474 564 632 708 752 944 948 1128 1264 1416 1504 1888 1896 2256 2528 2773 2832 3008 3713 3776 3792 4512 4661 5056 5546 5664 6016 7426 7552 7584 8319 9024 9322 10112 11092 11139 11328 13983 14852 15168 16638 18048 18644 22184 22278 22656 27966 29704 30336 33276 37288 44368 44556 55932 59408 66552 74576 88736 89112 111864 118816 133104 149152 177472 178224 219067 223728 237632 266208 298304 354944 356448 438134 447456 475264 532416 596608 657201 712896 876268 894912 1064832 1314402 1425792 1752536 1789824 2628804 3505072 5257608 7010144 10515216 14020288 21030432 28040576 42060864 84121728
- Sum of all divisors σ(n): 235008000
- Sum of proper divisors (its aliquot sum) s(n): 150886272
- 84121728 is an abundant number, because the sum of its proper divisors (150886272) is greater than itself. Its abundance is 66764544
Bases of 84121728
- Binary: 1010000001110011000100000002
- Hexadecimal: 0x5039880
- Base-36: 1E30QO
Squares and roots of 84121728
- 84121728 squared (841217282) is 7076465121705984
- 84121728 cubed (841217283) is 595284474169637682020352
-
The
square root of 84121728 is 9171.7897926195 -
The
cube root of 84121728 is 438.1633635107
Scales and comparisons
How big is 84121728?- 84,121,728 seconds is equal to 2 years, 35 weeks, 15 hours, 8 minutes, 48 seconds.
-
To count from 1 to 84,121,728 would take you about four 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 84121728 cubic inches would be around 36.5 feet tall.
Recreational maths with 84121728
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The information we have on file for 84121728 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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