28955880
28,955,880 is an even composite number composed of four prime numbers multiplied together.
28955880 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.
Prime factorization of 28955880:
23 × 37 × 5 × 331
(2 × 2 × 2 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 5 × 331)See below for interesting mathematical facts about the number 28955880 from the Numbermatics database.
Names of 28955880
- Cardinal: 28955880 can be written as Twenty-eight million, nine hundred fifty-five thousand, eight hundred eighty.
Scientific notation
- Scientific notation: 2.895588 × 107
Factors of 28955880
Divisors of 28955880
- Number of divisors d(n): 128
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 18 20 24 27 30 36 40 45 54 60 72 81 90 108 120 135 162 180 216 243 270 324 331 360 405 486 540 648 662 729 810 972 993 1080 1215 1324 1458 1620 1655 1944 1986 2187 2430 2648 2916 2979 3240 3310 3645 3972 4374 4860 4965 5832 5958 6620 7290 7944 8748 8937 9720 9930 10935 11916 13240 14580 14895 17496 17874 19860 21870 23832 26811 29160 29790 35748 39720 43740 44685 53622 59580 71496 80433 87480 89370 107244 119160 134055 160866 178740 214488 241299 268110 321732 357480 402165 482598 536220 643464 723897 804330 965196 1072440 1206495 1447794 1608660 1930392 2412990 2895588 3217320 3619485 4825980 5791176 7238970 9651960 14477940 28955880
- Sum of all divisors σ(n): 98006400
- Sum of proper divisors (its aliquot sum) s(n): 69050520
- 28955880 is an abundant number, because the sum of its proper divisors (69050520) is greater than itself. Its abundance is 40094640
Bases of 28955880
- Binary: 11011100111010100111010002
- Hexadecimal: 0x1B9D4E8
- Base-36: H8MI0
Squares and roots of 28955880
- 28955880 squared (289558802) is 838442986574400
- 28955880 cubed (289558803) is 24277854506089937472000
-
The
square root of 28955880 is 5381.0668087287 -
The
cube root of 28955880 is 307.0757981803
Scales and comparisons
How big is 28955880?- 28,955,880 seconds is equal to 47 weeks, 6 days, 3 hours, 18 minutes.
-
To count from 1 to 28,955,880 would take you about nineteen weeks!
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 28955880 cubic inches would be around 25.6 feet tall.
Recreational maths with 28955880
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The information we have on file for 28955880 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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