28009800
28,009,800 is an even composite number composed of six prime numbers multiplied together.
28009800 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of four hundred eighty divisors.
Prime factorization of 28009800:
23 × 34 × 52 × 7 × 13 × 19
(2 × 2 × 2 × 3 × 3 × 3 × 3 × 5 × 5 × 7 × 13 × 19)See below for interesting mathematical facts about the number 28009800 from the Numbermatics database.
Names of 28009800
- Cardinal: 28009800 can be written as Twenty-eight million, nine thousand, eight hundred.
Scientific notation
- Scientific notation: 2.80098 × 107
Factors of 28009800
Divisors of 28009800
- Number of divisors d(n): 480
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Complete list of divisors:
1 2 3 4 5 6 7 8 9 10 12 13 14 15 18 19 20 21 24 25 26 27 28 30 35 36 38 39 40 42 45 50 52 54 56 57 60 63 65 70 72 75 76 78 81 84 90 91 95 100 104 105 108 114 117 120 126 130 133 135 140 150 152 156 162 168 171 175 180 182 189 190 195 200 210 216 225 228 234 247 252 260 266 270 273 280 285 300 312 315 324 325 342 350 351 360 364 378 380 390 399 405 420 450 455 456 468 475 494 504 513 520 525 532 540 546 567 570 585 600 630 648 650 665 675 684 700 702 728 741 756 760 780 798 810 819 840 855 900 910 936 945 950 975 988 1026 1050 1053 1064 1080 1092 1134 1140 1170 1197 1235 1260 1300 1330 1350 1365 1368 1400 1404 1425 1482 1512 1539 1560 1575 1596 1620 1638 1710 1729 1755 1800 1820 1890 1900 1950 1976 1995 2025 2052 2100 2106 2184 2223 2268 2275 2280 2340 2394 2457 2470 2520 2565 2600 2660 2700 2730 2808 2835 2850 2925 2964 3078 3150 3192 3240 3276 3325 3420 3458 3510 3591 3640 3705 3780 3800 3900 3990 4050 4095 4104 4200 4212 4275 4446 4536 4550 4680 4725 4788 4914 4940 5130 5187 5265 5320 5400 5460 5670 5700 5850 5928 5985 6156 6175 6300 6552 6650 6669 6825 6840 6916 7020 7182 7371 7410 7560 7695 7800 7980 8100 8190 8424 8550 8645 8775 8892 9100 9450 9576 9828 9880 9975 10260 10374 10530 10773 10920 11115 11340 11400 11700 11970 12285 12312 12350 12600 12825 13300 13338 13650 13832 14040 14175 14364 14742 14820 15390 15561 15960 16200 16380 17100 17290 17550 17784 17955 18200 18525 18900 19656 19950 20007 20475 20520 20748 21060 21546 22230 22680 23400 23940 24570 24700 25650 25935 26325 26600 26676 27300 28350 28728 29484 29640 29925 30780 31122 32760 33345 34200 34580 35100 35910 36855 37050 37800 38475 39900 40014 40950 41496 42120 43092 43225 44460 46683 47880 49140 49400 51300 51870 52650 53352 53865 54600 55575 56700 58968 59850 61425 61560 62244 66690 69160 70200 71820 73710 74100 76950 77805 79800 80028 81900 86184 86450 88920 89775 93366 98280 100035 102600 103740 105300 107730 111150 113400 119700 122850 124488 129675 133380 140049 143640 147420 148200 153900 155610 160056 163800 166725 172900 179550 184275 186732 200070 207480 210600 215460 222300 233415 239400 245700 259350 266760 269325 280098 294840 307800 311220 333450 345800 359100 368550 373464 389025 400140 430920 444600 466830 491400 500175 518700 538650 560196 622440 666900 700245 718200 737100 778050 800280 933660 1000350 1037400 1077300 1120392 1167075 1333800 1400490 1474200 1556100 1867320 2000700 2154600 2334150 2800980 3112200 3501225 4001400 4668300 5601960 7002450 9336600 14004900 28009800
- Sum of all divisors σ(n): 126033600
- Sum of proper divisors (its aliquot sum) s(n): 98023800
- 28009800 is an abundant number, because the sum of its proper divisors (98023800) is greater than itself. Its abundance is 70014000
Bases of 28009800
- Binary: 11010101101100101010010002
- Hexadecimal: 0x1AB6548
- Base-36: GOCI0
Squares and roots of 28009800
- 28009800 squared (280098002) is 784548896040000
- 28009800 cubed (280098003) is 21975057668301192000000
-
The
square root of 28009800 is 5292.4285540761 -
The
cube root of 28009800 is 303.6943199265
Scales and comparisons
How big is 28009800?- 28,009,800 seconds is equal to 46 weeks, 2 days, 4 hours, 30 minutes.
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To count from 1 to 28,009,800 would take you about seventeen 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 28009800 cubic inches would be around 25.3 feet tall.
Recreational maths with 28009800
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