28484820
28,484,820 is an even composite number composed of seven prime numbers multiplied together.
28484820 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of two hundred eighty-eight divisors.
Prime factorization of 28484820:
22 × 32 × 5 × 7 × 13 × 37 × 47
(2 × 2 × 3 × 3 × 5 × 7 × 13 × 37 × 47)See below for interesting mathematical facts about the number 28484820 from the Numbermatics database.
Names of 28484820
- Cardinal: 28484820 can be written as Twenty-eight million, four hundred eighty-four thousand, eight hundred twenty.
Scientific notation
- Scientific notation: 2.848482 × 107
Factors of 28484820
Divisors of 28484820
- Number of divisors d(n): 288
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Complete list of divisors:
1 2 3 4 5 6 7 9 10 12 13 14 15 18 20 21 26 28 30 35 36 37 39 42 45 47 52 60 63 65 70 74 78 84 90 91 94 105 111 117 126 130 140 141 148 156 180 182 185 188 195 210 222 234 235 252 259 260 273 282 315 329 333 364 370 390 420 423 444 455 468 470 481 518 546 555 564 585 611 630 658 666 705 740 777 780 819 846 910 940 962 987 1036 1092 1110 1170 1222 1260 1295 1316 1332 1365 1410 1443 1554 1638 1645 1665 1692 1739 1820 1833 1924 1974 2115 2220 2331 2340 2405 2444 2590 2730 2820 2886 2961 3055 3108 3276 3290 3330 3367 3478 3666 3885 3948 4095 4230 4277 4329 4662 4810 4935 5180 5217 5460 5499 5772 5922 6110 6580 6660 6734 6956 7215 7332 7770 8190 8460 8554 8658 8695 9165 9324 9620 9870 10101 10434 10998 11655 11844 12173 12220 12831 13468 14430 14805 15540 15651 16380 16835 17108 17316 17390 18330 19740 20202 20868 21385 21645 21996 22607 23310 24346 25662 26085 27495 28860 29610 30303 31302 33670 34780 36519 36660 38493 40404 42770 43290 45214 46620 48692 50505 51324 52170 54990 59220 60606 60865 62604 64155 67340 67821 73038 76986 78255 85540 86580 90428 101010 104340 109557 109980 113035 121212 121730 128310 135642 146076 151515 153972 156510 158249 182595 192465 202020 203463 219114 226070 243460 256620 271284 303030 313020 316498 339105 365190 384930 406926 438228 452140 474747 547785 606060 632996 678210 730380 769860 791245 813852 949494 1017315 1095570 1356420 1424241 1582490 1898988 2034630 2191140 2373735 2848482 3164980 4069260 4747470 5696964 7121205 9494940 14242410 28484820
- Sum of all divisors σ(n): 111541248
- Sum of proper divisors (its aliquot sum) s(n): 83056428
- 28484820 is an abundant number, because the sum of its proper divisors (83056428) is greater than itself. Its abundance is 54571608
Bases of 28484820
- Binary: 11011001010100100110101002
- Hexadecimal: 0x1B2A4D4
- Base-36: GYJ10
Squares and roots of 28484820
- 28484820 squared (284848202) is 811384970432400
- 28484820 cubed (284848203) is 23112154833472236168000
-
The
square root of 28484820 is 5337.1171993875 -
The
cube root of 28484820 is 305.4014957925
Scales and comparisons
How big is 28484820?- 28,484,820 seconds is equal to 47 weeks, 16 hours, 27 minutes.
-
To count from 1 to 28,484,820 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 28484820 cubic inches would be around 25.5 feet tall.
Recreational maths with 28484820
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