18979981943449380
18,979,981,943,449,380 is an even composite number composed of seven prime numbers multiplied together.
18979981943449380 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of six hundred forty-eight divisors.
Prime factorization of 18979981943449380:
22 × 3 × 5 × 7 × 612 × 1932 × 5712
(2 × 2 × 3 × 5 × 7 × 61 × 61 × 193 × 193 × 571 × 571)See below for interesting mathematical facts about the number 18979981943449380 from the Numbermatics database.
Names of 18979981943449380
- Cardinal: 18979981943449380 can be written as Eighteen quadrillion, nine hundred seventy-nine trillion, nine hundred eighty-one billion, nine hundred forty-three million, four hundred forty-nine thousand, three hundred eighty.
Scientific notation
- Scientific notation: 1.897998194344938 × 1016
Factors of 18979981943449380
Divisors of 18979981943449380
- Number of divisors d(n): 648
-
Complete list of divisors:
1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 61 70 84 105 122 140 183 193 210 244 305 366 386 420 427 571 579 610 732 772 854 915 965 1142 1158 1220 1281 1351 1708 1713 1830 1930 2135 2284 2316 2562 2702 2855 2895 3426 3660 3721 3860 3997 4053 4270 5124 5404 5710 5790 6405 6755 6852 7442 7994 8106 8540 8565 11163 11420 11580 11773 11991 12810 13510 14884 15988 16212 17130 18605 19985 20265 22326 23546 23982 25620 26047 27020 34260 34831 35319 37210 37249 39970 40530 44652 47092 47964 52094 55815 58865 59955 69662 70638 74420 74498 78141 79940 81060 82411 104188 104493 110203 111630 111747 117730 119910 130235 139324 141276 148996 156282 164822 174155 176595 186245 208986 220406 223260 223494 235460 239820 243817 247233 260470 260743 312564 326041 329644 330609 348310 353190 372490 390705 412055 417972 440812 446988 487634 494466 520940 521486 522465 551015 558735 652082 661218 696620 706380 718153 731451 744980 771421 781410 782229 824110 975268 978123 988932 1042972 1044930 1102030 1117470 1219085 1236165 1303715 1304164 1322436 1436306 1462902 1542842 1562820 1564458 1630205 1648220 1653045 1956246 2089860 2124691 2154459 2204060 2234940 2272189 2282287 2314263 2438170 2472330 2607430 2872612 2925804 3085684 3128916 3260410 3306090 3590765 3657255 3857105 3911145 3912492 4249382 4308918 4544378 4564574 4628526 4876340 4890615 4944660 5027071 5214860 6374073 6520820 6612180 6722383 6816567 6846861 7181530 7314510 7714210 7822290 8498764 8617836 9088756 9129148 9257052 9781230 10054142 10623455 10772295 11360945 11411435 11571315 12748146 13444766 13633134 13693722 14363060 14629020 14872837 15081213 15428420 15644580 15905323 19562460 19888501 20108284 20167149 21246910 21269179 21544590 22721890 22822870 23142630 25135355 25496292 26889532 27266268 27387444 29745674 30162426 31810646 31870365 33611915 34082835 34234305 39777002 40334298 42493820 42538358 43089180 44618511 45443780 45645740 46285260 47056681 47715969 50270710 59491348 59665503 60324852 62925913 63621292 63740730 63807537 67223830 68165670 68468610 74364185 75406065 79526615 79554004 80668596 85076716 89237022 94113362 95431938 99442505 100541420 100835745 106345895 119331006 125851826 127481460 127615074 134447660 136331340 136937220 138603529 139219507 141170043 148728370 148884253 150812130 159053230 178474044 188226724 188777739 190863876 198885010 201671490 212691790 223092555 235283405 238579845 238662012 251703652 255230148 277207058 278439014 282340086 297456740 297768506 298327515 301624260 314629565 318106460 319037685 377555478 397770020 403342980 410065363 415810587 417658521 425383580 440481391 446185110 446652759 470566810 477159690 554414116 556878028 564680172 595537012 596655030 629259130 638075370 693017645 696097535 705850215 744421265 755110956 820130726 831621174 835317042 880962782 892370220 893305518 941133620 943888695 954319380 970224703 1193310060 1213198561 1230196089 1258518260 1276150740 1297419919 1321444173 1386035290 1392195070 1411700430 1488842530 1640261452 1663242348 1670634084 1761925564 1786611036 1887777390 1940449406 2050326815 2079052935 2088292605 2202406955 2233263795 2426397122 2460392178 2594839838 2642888346 2772070580 2784390140 2823400860 2870457541 2910674109 2977685060 3639595683 3775554780 3838480693 3880898812 3892259757 4100653630 4158105870 4176585210 4404813910 4466527590 4851123515 4852794244 4920784356 5189679676 5285776692 5740915082 5821348218 6065992805 6150980445 6487099595 6607220865 7279191366 7676961386 7784519514 8201307260 8316211740 8353170420 8492389927 8611372623 8809627820 8933055180 9081939433 9702247030 11481830164 11515442079 11642696436 12131985610 12144701209 12301960890 12974199190 13214441730 14352287705 14553370545 14558382732 15353922772 15569039028 16984779854 17222745246 18163878866 18197978415 19192403465 19404494060 19461298785 23030884158 24263971220 24289402418 24603921780 25477169781 25948398380 26428883460 26869364851 27245818299 28704575410 29106741090 33969559708 34445490492 36327757732 36395956830 36434103627 38384806930 38922597570 42461949635 43056863115 45409697165 46061768316 48578804836 50954339562 53738729702 54491636598 57409150820 57577210395 58213482180 60723506045 72791913660 72868207254 76769613860 77845195140 79142615059 80608094553 84923899270 85012908463 86113726230 90819394330 101908679124 107477459404 108983273196 115154420790 121447012090 127385848905 134346824255 136229091495 145736414508 158285230118 161216189106 169847798540 170025816926 172227452460 181638788660 182170518135 230308841580 234147322273 237427845177 242894024180 254771697810 255038725389 268693648510 272458182990 316570460236 322432378212 340051633852 364341036270 395713075295 403040472765 425064542315 468294644546 474855690354 509543395620 510077450778 537387297020 544916365980 553998305413 702441966819 728682072540 740826773749 791426150590 806080945530 850129084630 936589289092 949711380708 1020154901556 1107996610826 1170736611365 1187139225885 1275193626945 1404883933638 1481653547498 1582852301180 1612161891060 1639031255911 1661994916239 1700258169260 2215993221652 2222480321247 2341473222730 2374278451770 2550387253890 2769991527065 2809767867276 2963307094996 3278062511822 3323989832478 3512209834095 3704133868745 4444960642494 4682946445460 4748556903540 4917093767733 5100774507780 5185787416243 5539983054130 6556125023644 6647979664956 7024419668190 7408267737490 8195156279555 8309974581195 8889921284988 9834187535466 10371574832486 11079966108260 11112401606235 14048839336380 14816535474980 15557362248729 16390312559110 16619949162390 19668375070932 20743149664972 22224803212470 24585468838665 25928937081215 31114724497458 32780625118220 33239898324780 44449606424940 45190433198689 49170937677330 51857874162430 62229448994916 77786811243645 90380866397378 98341875354660 103715748324860 135571299596067 155573622487290 180761732794756 225952165993445 271142599192134 311147244974580 316333032390823 451904331986890 542285198384268 632666064781646 677856497980335 903808663973780 948999097172469 1265332129563292 1355712995960670 1581665161954115 1897998194344938 2711425991921340 3163330323908230 3795996388689876 4744995485862345 6326660647816460 9489990971724690 18979981943449380
- Sum of all divisors σ(n): 62178424660392768
- Sum of proper divisors (its aliquot sum) s(n): 43198442716943388
- 18979981943449380 is an abundant number, because the sum of its proper divisors (43198442716943388) is greater than itself. Its abundance is 24218460773494008
Bases of 18979981943449380
- Binary: 10000110110111000110001011010011001010100100111001001002
- Hexadecimal: 0x436E3169952724
- Base-36: 56VUBC0INFO
Squares and roots of 18979981943449380
- 18979981943449380 squared (189799819434493802) is 360239714573664503820292622384400
- 18979981943449380 cubed (189799819434493803) is 6837343277921510748784321844558792703536301672000
-
The
square root of 18979981943449380 is 137767855.2618475657 -
The
cube root of 18979981943449380 is 266746.4192835193
Scales and comparisons
How big is 18979981943449380?- 18,979,981,943,449,380 seconds is equal to 603,504,716 years, 44 weeks, 6 days, 1 hour, 43 minutes.
-
To count from 1 to 18,979,981,943,449,380 would take you about one billion, eight hundred ten million, five hundred fourteen thousand, one hundred fifty 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 18979981943449380 cubic inches would be around 22228.9 feet tall.
Recreational maths with 18979981943449380
- 18979981943449380 backwards is 08394434918997981
- The number of decimal digits it has is: 17
- The sum of 18979981943449380's digits is 96
- More coming soon!
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The information we have on file for 18979981943449380 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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