18126979640
18,126,979,640 is an even composite number composed of seven prime numbers multiplied together.
18126979640 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of five hundred seventy-six divisors.
Prime factorization of 18126979640:
23 × 5 × 72 × 11 × 17 × 192 × 137
(2 × 2 × 2 × 5 × 7 × 7 × 11 × 17 × 19 × 19 × 137)See below for interesting mathematical facts about the number 18126979640 from the Numbermatics database.
Names of 18126979640
- Cardinal: 18126979640 can be written as Eighteen billion, one hundred twenty-six million, nine hundred seventy-nine thousand, six hundred forty.
Scientific notation
- Scientific notation: 1.812697964 × 1010
Factors of 18126979640
Divisors of 18126979640
- Number of divisors d(n): 576
-
Complete list of divisors:
1 2 4 5 7 8 10 11 14 17 19 20 22 28 34 35 38 40 44 49 55 56 68 70 76 77 85 88 95 98 110 119 133 136 137 140 152 154 170 187 190 196 209 220 238 245 266 274 280 308 323 340 361 374 380 385 392 418 440 476 490 532 539 548 595 616 646 665 680 685 722 748 760 770 833 836 931 935 952 959 980 1045 1064 1078 1096 1190 1292 1309 1330 1370 1444 1463 1496 1507 1540 1615 1666 1672 1805 1862 1870 1918 1960 2090 2156 2261 2329 2380 2527 2584 2603 2618 2660 2695 2740 2888 2926 3014 3080 3230 3332 3553 3610 3724 3740 3836 3971 4165 4180 4312 4522 4655 4658 4760 4795 5054 5206 5236 5320 5390 5480 5852 6028 6137 6460 6545 6664 6713 7106 7220 7315 7448 7480 7535 7672 7942 8330 8360 9044 9163 9310 9316 9590 10108 10241 10412 10472 10549 10780 11305 11645 11704 12056 12274 12635 12920 13015 13090 13426 14212 14440 14630 15070 15827 15884 16303 16660 17689 17765 18088 18221 18326 18620 18632 19180 19855 20216 20482 20824 21098 21560 22610 23290 24548 24871 25270 25619 26030 26180 26852 27797 28424 28633 29260 30140 30685 31654 31768 32606 33320 33565 35378 35530 36442 36652 37240 38360 39710 40964 42196 42959 44251 45220 45815 46580 49096 49457 49742 50540 51205 51238 52060 52360 52745 53704 55594 57266 58520 60280 61370 63308 65212 67130 67507 70756 71060 72884 73304 73843 79135 79420 81515 81928 84392 85918 88445 88502 90440 91105 91630 93160 98914 99484 101080 102410 102476 104120 105490 111188 114121 114532 122740 124355 126616 127547 128095 130424 134260 135014 138985 141512 142120 143165 145768 147686 158270 158840 163030 171836 174097 176890 177004 179333 182210 183260 194579 197828 198968 200431 204820 204952 210980 214795 221255 222376 228242 229064 245480 247285 248710 255094 256190 268520 270028 277970 286330 295372 300713 309757 316540 326060 337535 343672 346199 348194 353780 354008 358666 364420 366520 369215 389158 395656 400862 409640 421960 429590 442510 456484 472549 486761 494570 497420 510188 512380 540056 544027 555940 570605 572660 590744 601426 619514 633080 637735 652120 675070 692398 696388 707560 717332 728840 738430 778316 801724 840769 859180 870485 885020 896665 912968 945098 972895 973522 989140 994840 1002155 1020376 1024760 1088054 1111880 1141210 1145320 1202852 1239028 1255331 1275470 1350140 1384796 1392776 1403017 1434664 1476860 1503565 1548785 1556632 1603448 1681538 1718360 1730995 1740970 1770040 1793330 1890196 1945790 1947044 1978280 2004310 2168299 2176108 2282420 2362745 2405704 2423393 2433805 2478056 2510662 2550940 2700280 2720135 2769592 2806034 2953720 3007130 3097570 3307843 3363076 3407327 3461990 3481940 3586660 3780392 3808189 3891580 3894088 4008620 4203845 4336598 4352216 4564840 4725490 4846786 4867610 5021324 5101880 5440270 5612068 5885383 6014260 6195140 6276655 6615686 6726152 6814654 6923980 6963880 7015085 7173320 7616378 7783160 8017240 8407690 8673196 9248459 9450980 9693572 9735220 10042648 10841495 10880540 11224136 11770766 12028520 12116965 12390280 12553310 13231372 13629308 13847960 14030170 15232756 16539215 16815380 17036635 17346392 18496918 18901960 19040945 19387144 19470440 21682990 21761080 23541532 23851289 24233930 25106620 26462744 26657323 27258616 28060340 29426915 30465512 33078430 33630760 34073270 36993836 38081890 41197681 43365980 46242295 47083064 47702578 48467860 50213240 53314646 56120680 58853830 64739213 66156860 68146540 73987672 76163780 82395362 86731960 92484590 95405156 96935720 106629292 117707660 119256445 129478426 132313720 133286615 136293080 152327560 164790724 184969180 190810312 205988405 213258584 235415320 238512890 258956852 266573230 323696065 329581448 369938360 411976810 453174491 477025780 517913704 533146460 647392130 823953620 906348982 954051560 1066292920 1294784260 1647907240 1812697964 2265872455 2589568520 3625395928 4531744910 9063489820 18126979640
- Sum of all divisors σ(n): 58260630240
- Sum of proper divisors (its aliquot sum) s(n): 40133650600
- 18126979640 is an abundant number, because the sum of its proper divisors (40133650600) is greater than itself. Its abundance is 22006670960
Bases of 18126979640
- Binary: 100001110000111001111000010001110002
- Hexadecimal: 0x43873C238
- Base-36: 8BSC308
Squares and roots of 18126979640
- 18126979640 squared (181269796402) is 328587390868974529600
- 18126979640 cubed (181269796403) is 5956296944242623205737777344000
-
The
square root of 18126979640 is 134636.4721760043 -
The
cube root of 18126979640 is 2626.8895669047
Scales and comparisons
How big is 18126979640?- 18,126,979,640 seconds is equal to 576 years, 19 weeks, 6 days, 7 minutes, 20 seconds.
-
To count from 1 to 18,126,979,640 would take you about one thousand, one hundred fifty-two 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 18126979640 cubic inches would be around 218.9 feet tall.
Recreational maths with 18126979640
- 18126979640 backwards is 04697962181
- The number of decimal digits it has is: 11
- The sum of 18126979640's digits is 53
- More coming soon!
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