28429380
28,429,380 is an even composite number composed of six prime numbers multiplied together.
28429380 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred forty divisors.
Prime factorization of 28429380:
22 × 34 × 5 × 7 × 23 × 109
(2 × 2 × 3 × 3 × 3 × 3 × 5 × 7 × 23 × 109)See below for interesting mathematical facts about the number 28429380 from the Numbermatics database.
Names of 28429380
- Cardinal: 28429380 can be written as Twenty-eight million, four hundred twenty-nine thousand, three hundred eighty.
Scientific notation
- Scientific notation: 2.842938 × 107
Factors of 28429380
Divisors of 28429380
- Number of divisors d(n): 240
-
Complete list of divisors:
1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 23 27 28 30 35 36 42 45 46 54 60 63 69 70 81 84 90 92 105 108 109 115 126 135 138 140 161 162 180 189 207 210 218 230 252 270 276 315 322 324 327 345 378 405 414 420 436 460 483 540 545 567 621 630 644 654 690 756 763 805 810 828 945 966 981 1035 1090 1134 1242 1260 1308 1380 1449 1526 1610 1620 1635 1863 1890 1932 1962 2070 2180 2268 2289 2415 2484 2507 2835 2898 2943 3052 3105 3220 3270 3726 3780 3815 3924 4140 4347 4578 4830 4905 5014 5670 5796 5886 6210 6540 6867 7245 7452 7521 7630 8694 8829 9156 9315 9660 9810 10028 11340 11445 11772 12420 12535 13041 13734 14490 14715 15042 15260 17388 17549 17658 18630 19620 20601 21735 22563 22890 25070 26082 27468 28980 29430 30084 34335 35098 35316 37260 37605 41202 43470 44145 45126 45780 50140 52164 52647 58860 61803 65205 67689 68670 70196 75210 82404 86940 87745 88290 90252 103005 105294 112815 123606 130410 135378 137340 150420 157941 175490 176580 203067 206010 210588 225630 247212 260820 263235 270756 309015 315882 338445 350980 406134 412020 451260 473823 526470 618030 631764 676890 789705 812268 947646 1015335 1052940 1236060 1353780 1421469 1579410 1895292 2030670 2369115 2842938 3158820 4061340 4738230 5685876 7107345 9476460 14214690 28429380
- Sum of all divisors σ(n): 107331840
- Sum of proper divisors (its aliquot sum) s(n): 78902460
- 28429380 is an abundant number, because the sum of its proper divisors (78902460) is greater than itself. Its abundance is 50473080
Bases of 28429380
- Binary: 11011000111001100010001002
- Hexadecimal: 0x1B1CC44
- Base-36: GXC90
Squares and roots of 28429380
- 28429380 squared (284293802) is 808229647184400
- 28429380 cubed (284293803) is 22977467767071237672000
-
The
square root of 28429380 is 5331.9208546265 -
The
cube root of 28429380 is 305.2032328185
Scales and comparisons
How big is 28429380?- 28,429,380 seconds is equal to 47 weeks, 1 hour, 3 minutes.
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To count from 1 to 28,429,380 would take you about eighteen 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 28429380 cubic inches would be around 25.4 feet tall.
Recreational maths with 28429380
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The information we have on file for 28429380 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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