1218290220
1,218,290,220 is an even composite number composed of six prime numbers multiplied together.
1218290220 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 1218290220:
22 × 37 × 5 × 7 × 23 × 173
(2 × 2 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 5 × 7 × 23 × 173)See below for interesting mathematical facts about the number 1218290220 from the Numbermatics database.
Names of 1218290220
- Cardinal: 1218290220 can be written as One billion, two hundred eighteen million, two hundred ninety thousand, two hundred twenty.
Scientific notation
- Scientific notation: 1.21829022 × 109
Factors of 1218290220
Divisors of 1218290220
- Number of divisors d(n): 384
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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 92 105 108 115 126 135 138 140 161 162 173 180 189 207 210 230 243 252 270 276 315 322 324 345 346 378 405 414 420 460 483 486 519 540 567 621 630 644 690 692 729 756 805 810 828 865 945 966 972 1035 1038 1134 1211 1215 1242 1260 1380 1449 1458 1557 1610 1620 1701 1730 1863 1890 1932 2070 2076 2187 2268 2415 2422 2430 2484 2595 2835 2898 2916 3105 3114 3220 3402 3460 3633 3645 3726 3780 3979 4140 4347 4374 4671 4830 4844 4860 5103 5190 5589 5670 5796 6055 6210 6228 6804 7245 7266 7290 7452 7785 7958 8505 8694 8748 9315 9342 9660 10206 10380 10899 10935 11178 11340 11937 12110 12420 13041 14013 14490 14532 14580 15309 15570 15916 16767 17010 17388 18165 18630 18684 19895 20412 21735 21798 21870 22356 23355 23874 24220 25515 26082 27853 27945 28026 28980 30618 31140 32697 33534 34020 35811 36330 37260 39123 39790 42039 43470 43596 43740 46710 47748 50301 51030 52164 54495 55706 55890 56052 59685 61236 65205 65394 67068 70065 71622 72660 76545 78246 79580 83559 83835 84078 86940 93420 98091 100602 102060 107433 108990 111412 111780 117369 119370 126117 130410 130788 139265 140130 143244 153090 156492 163485 167118 167670 168156 179055 195615 196182 201204 210195 214866 217980 234738 238740 250677 251505 252234 260820 278530 280260 294273 306180 322299 326970 334236 335340 352107 358110 378351 391230 392364 417795 420390 429732 469476 490455 501354 503010 504468 537165 557060 586845 588546 630585 644598 653940 704214 716220 752031 756702 782460 835590 840780 882819 966897 980910 1002708 1006020 1074330 1173690 1177092 1253385 1261170 1289196 1408428 1471365 1504062 1513404 1611495 1671180 1760535 1765638 1891755 1933794 1961820 2148660 2256093 2347380 2506770 2522340 2648457 2900691 2942730 3008124 3222990 3521070 3531276 3760155 3783510 3867588 4414095 4512186 4834485 5013540 5296914 5801382 5885460 6445980 6768279 7042140 7520310 7567020 8702073 8828190 9024372 9668970 10593828 11280465 11602764 13242285 13536558 14503455 15040620 17404146 17656380 19337940 20304837 22560930 26484570 27073116 29006910 33841395 34808292 40609674 43510365 45121860 52969140 58013820 60914511 67682790 81219348 87020730 101524185 121829022 135365580 174041460 203048370 243658044 304572555 406096740 609145110 1218290220
- Sum of all divisors σ(n): 4602286080
- Sum of proper divisors (its aliquot sum) s(n): 3383995860
- 1218290220 is an abundant number, because the sum of its proper divisors (3383995860) is greater than itself. Its abundance is 2165705640
Bases of 1218290220
- Binary: 10010001001110110100010001011002
- Hexadecimal: 0x489DA22C
- Base-36: K5C6R0
Squares and roots of 1218290220
- 1218290220 squared (12182902202) is 1484231060147648400
- 1218290220 cubed (12182902203) is 1808224184798111801718648000
-
The
square root of 1218290220 is 34904.0143823031 -
The
cube root of 1218290220 is 1068.0303299049
Scales and comparisons
How big is 1218290220?- 1,218,290,220 seconds is equal to 38 years, 38 weeks, 2 days, 13 hours, 57 minutes.
-
To count from 1 to 1,218,290,220 would take you about seventy-seven 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 1218290220 cubic inches would be around 89 feet tall.
Recreational maths with 1218290220
- 1218290220 backwards is 0220928121
- 1218290220 is a
Harshad number . - The number of decimal digits it has is: 10
- The sum of 1218290220's digits is 27
- More coming soon!
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The information we have on file for 1218290220 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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