121208220
121,208,220 is an even composite number composed of seven prime numbers multiplied together.
121208220 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 121208220:
22 × 32 × 5 × 7 × 19 × 61 × 83
(2 × 2 × 3 × 3 × 5 × 7 × 19 × 61 × 83)See below for interesting mathematical facts about the number 121208220 from the Numbermatics database.
Names of 121208220
- Cardinal: 121208220 can be written as One hundred twenty-one million, two hundred eight thousand, two hundred twenty.
Scientific notation
- Scientific notation: 1.2120822 × 108
Factors of 121208220
Divisors of 121208220
- Number of divisors d(n): 288
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Complete list of divisors:
1 2 3 4 5 6 7 9 10 12 14 15 18 19 20 21 28 30 35 36 38 42 45 57 60 61 63 70 76 83 84 90 95 105 114 122 126 133 140 166 171 180 183 190 210 228 244 249 252 266 285 305 315 332 342 366 380 399 415 420 427 498 532 549 570 581 610 630 665 684 732 747 798 830 854 855 915 996 1098 1140 1159 1162 1197 1220 1245 1260 1281 1330 1494 1577 1596 1660 1708 1710 1743 1830 1995 2135 2196 2318 2324 2394 2490 2562 2660 2745 2905 2988 3154 3420 3477 3486 3660 3735 3843 3990 4270 4636 4731 4788 4980 5063 5124 5229 5490 5795 5810 5985 6308 6405 6954 6972 7470 7686 7885 7980 8113 8540 8715 9462 10126 10431 10458 10980 11039 11590 11620 11970 12810 13908 14193 14940 15189 15372 15770 16226 17385 17430 18924 19215 20252 20862 20916 22078 23180 23655 23940 24339 25315 25620 26145 28386 30378 31540 32452 33117 34770 34860 35441 38430 40565 41724 44156 45567 47310 48678 50630 52155 52290 55195 56772 60756 66234 69540 70882 70965 73017 75945 76860 81130 91134 94620 96197 97356 99351 101260 104310 104580 106323 110390 121695 132468 141764 141930 146034 151890 162260 165585 177205 182268 192394 198702 208620 212646 220780 227835 243390 283860 288591 292068 303780 318969 331170 354410 365085 384788 397404 425292 455670 480985 486780 496755 531615 577182 637938 662340 673379 708820 730170 865773 911340 961970 993510 1063230 1154364 1275876 1346758 1442955 1460340 1594845 1731546 1923940 1987020 2020137 2126460 2693516 2885910 3189690 3366895 3463092 4040274 4328865 5771820 6060411 6379380 6733790 8080548 8657730 10100685 12120822 13467580 17315460 20201370 24241644 30302055 40402740 60604110 121208220
- Sum of all divisors σ(n): 454970880
- Sum of proper divisors (its aliquot sum) s(n): 333762660
- 121208220 is an abundant number, because the sum of its proper divisors (333762660) is greater than itself. Its abundance is 212554440
Bases of 121208220
- Binary: 1110011100101111101100111002
- Hexadecimal: 0x7397D9C
- Base-36: 205WV0
Squares and roots of 121208220
- 121208220 squared (1212082202) is 14691432595568400
- 121208220 cubed (1212082203) is 1780722394158825652248000
-
The
square root of 121208220 is 11009.4604772443 -
The
cube root of 121208220 is 494.8922936763
Scales and comparisons
How big is 121208220?- 121,208,220 seconds is equal to 3 years, 44 weeks, 2 days, 20 hours, 57 minutes.
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To count from 1 to 121,208,220 would take you about five years!
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 121208220 cubic inches would be around 41.2 feet tall.
Recreational maths with 121208220
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