30428640
30,428,640 is an even composite number composed of six prime numbers multiplied together.
30428640 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred eighty-eight divisors.
Prime factorization of 30428640:
25 × 32 × 5 × 11 × 17 × 113
(2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 11 × 17 × 113)See below for interesting mathematical facts about the number 30428640 from the Numbermatics database.
Names of 30428640
- Cardinal: 30428640 can be written as Thirty million, four hundred twenty-eight thousand, six hundred forty.
Scientific notation
- Scientific notation: 3.042864 × 107
Factors of 30428640
Divisors of 30428640
- Number of divisors d(n): 288
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Complete list of divisors:
1 2 3 4 5 6 8 9 10 11 12 15 16 17 18 20 22 24 30 32 33 34 36 40 44 45 48 51 55 60 66 68 72 80 85 88 90 96 99 102 110 113 120 132 136 144 153 160 165 170 176 180 187 198 204 220 226 240 255 264 272 288 306 330 339 340 352 360 374 396 408 440 452 480 495 510 528 544 561 565 612 660 678 680 720 748 765 792 816 880 904 935 990 1017 1020 1056 1122 1130 1224 1243 1320 1356 1360 1440 1496 1530 1584 1632 1683 1695 1760 1808 1870 1921 1980 2034 2040 2244 2260 2448 2486 2640 2712 2720 2805 2992 3060 3168 3366 3390 3616 3729 3740 3842 3960 4068 4080 4488 4520 4896 4972 5085 5280 5424 5610 5763 5984 6120 6215 6732 6780 7458 7480 7684 7920 8136 8160 8415 8976 9040 9605 9944 10170 10848 11187 11220 11526 12240 12430 13464 13560 14916 14960 15368 15840 16272 16830 17289 17952 18080 18645 19210 19888 20340 21131 22374 22440 23052 24480 24860 26928 27120 28815 29832 29920 30736 32544 33660 34578 37290 38420 39776 40680 42262 44748 44880 46104 49720 53856 54240 55935 57630 59664 61472 63393 67320 69156 74580 76840 81360 84524 86445 89496 89760 92208 99440 105655 111870 115260 119328 126786 134640 138312 149160 153680 162720 169048 172890 178992 184416 190179 198880 211310 223740 230520 253572 269280 276624 298320 307360 316965 338096 345780 357984 380358 422620 447480 461040 507144 553248 596640 633930 676192 691560 760716 845240 894960 922080 950895 1014288 1267860 1383120 1521432 1690480 1789920 1901790 2028576 2535720 2766240 3042864 3380960 3803580 5071440 6085728 7607160 10142880 15214320 30428640
- Sum of all divisors σ(n): 121002336
- Sum of proper divisors (its aliquot sum) s(n): 90573696
- 30428640 is an abundant number, because the sum of its proper divisors (90573696) is greater than itself. Its abundance is 60145056
Bases of 30428640
- Binary: 11101000001001101111000002
- Hexadecimal: 0x1D04DE0
- Base-36: I46W0
Squares and roots of 30428640
- 30428640 squared (304286402) is 925902132249600
- 30428640 cubed (304286403) is 28173942657455468544000
-
The
square root of 30428640 is 5516.2160943891 -
The
cube root of 30428640 is 312.1961291491
Scales and comparisons
How big is 30428640?- 30,428,640 seconds is equal to 50 weeks, 2 days, 4 hours, 24 minutes.
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To count from 1 to 30,428,640 would take you about twenty-three 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 30428640 cubic inches would be around 26 feet tall.
Recreational maths with 30428640
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The information we have on file for 30428640 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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