166428720
166,428,720 is an even composite number composed of five prime numbers multiplied together.
166428720 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twenty divisors.
Prime factorization of 166428720:
24 × 32 × 5 × 97 × 2383
(2 × 2 × 2 × 2 × 3 × 3 × 5 × 97 × 2383)See below for interesting mathematical facts about the number 166428720 from the Numbermatics database.
Names of 166428720
- Cardinal: 166428720 can be written as One hundred sixty-six million, four hundred twenty-eight thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 1.6642872 × 108
Factors of 166428720
Divisors of 166428720
- Number of divisors d(n): 120
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 36 40 45 48 60 72 80 90 97 120 144 180 194 240 291 360 388 485 582 720 776 873 970 1164 1455 1552 1746 1940 2328 2383 2910 3492 3880 4365 4656 4766 5820 6984 7149 7760 8730 9532 11640 11915 13968 14298 17460 19064 21447 23280 23830 28596 34920 35745 38128 42894 47660 57192 69840 71490 85788 95320 107235 114384 142980 171576 190640 214470 231151 285960 343152 428940 462302 571920 693453 857880 924604 1155755 1386906 1715760 1849208 2080359 2311510 2773812 3467265 3698416 4160718 4623020 5547624 6934530 8321436 9246040 10401795 11095248 13869060 16642872 18492080 20803590 27738120 33285744 41607180 55476240 83214360 166428720
- Sum of all divisors σ(n): 564922176
- Sum of proper divisors (its aliquot sum) s(n): 398493456
- 166428720 is an abundant number, because the sum of its proper divisors (398493456) is greater than itself. Its abundance is 232064736
Bases of 166428720
- Binary: 10011110101110000000001100002
- Hexadecimal: 0x9EB8030
- Base-36: 2R3580
Squares and roots of 166428720
- 166428720 squared (1664287202) is 27698518840838400
- 166428720 cubed (1664287203) is 4609829036576618638848000
-
The
square root of 166428720 is 12900.7255609907 -
The
cube root of 166428720 is 550.0591892223
Scales and comparisons
How big is 166428720?- 166,428,720 seconds is equal to 5 years, 15 weeks, 1 day, 6 hours, 12 minutes.
-
To count from 1 to 166,428,720 would take you about seven 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 166428720 cubic inches would be around 45.8 feet tall.
Recreational maths with 166428720
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The information we have on file for 166428720 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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