18491229674820

Names of 18491229674820

• Cardinal: 18491229674820 can be written as Eighteen trillion, four hundred ninety-one billion, two hundred twenty-nine million, six hundred seventy-four thousand, eight hundred twenty.

Scientific notation

• Scientific notation: 1.849122967482 × 10¹³

Factors of 18491229674820

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1469

Divisors of 18491229674820

• Number of divisors d(n): 864
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 28 30 35 36 42 45 49 53 60 63 70 84 90 98 105 106 126 127 140 147 159 180 196 210 212 245 252 254 265 294 315 318 331 371 381 420 441 477 490 508 530 588 630 635 636 662 735 742 762 795 882 889 941 954 980 993 1060 1113 1143 1260 1270 1324 1470 1484 1524 1590 1655 1764 1778 1855 1882 1905 1908 1986 2205 2226 2286 2317 2385 2540 2597 2667 2823 2940 2979 3180 3310 3339 3556 3710 3764 3810 3972 4410 4445 4452 4572 4634 4705 4770 4965 5194 5334 5565 5646 5715 5958 6223 6587 6620 6678 6731 6951 7420 7620 7791 8001 8469 8820 8890 9268 9410 9540 9930 10388 10668 11130 11292 11430 11585 11916 12446 12985 13174 13335 13356 13462 13902 14115 14895 15582 16002 16219 16695 16938 17543 17780 18669 18820 19761 19860 20193 20853 22260 22860 23170 23373 24892 25970 26348 26670 26924 27804 28230 29790 31115 31164 32004 32438 32935 33390 33655 33876 34755 35086 37338 38955 39522 40005 40386 41706 42037 42345 46109 46340 46746 47117 48657 49873 51940 52629 53340 56007 56460 59283 59580 60579 62230 64876 65870 66780 67310 69510 70172 74676 77910 79044 80010 80772 81095 83412 84074 84690 87715 92218 93345 93492 94234 97314 98805 99746 100965 104265 105258 112014 116865 118566 119507 121158 122801 124460 126111 131740 134620 138327 139020 141351 145971 149619 155820 157887 160020 162190 168148 169380 175430 184436 186690 188468 194628 197610 199492 201930 208530 210185 210516 224028 230545 233730 235585 237132 239014 242316 243285 245602 249365 252222 263145 276654 280035 282702 291942 294259 296415 299238 302895 311471 315774 324380 329819 349111 350860 358521 368403 373380 378333 395220 403860 414981 417060 420370 424053 448857 461090 467460 471170 478028 486570 491204 498730 504444 526290 553308 560070 565404 583884 588518 592830 597535 598476 605790 614005 622942 630555 631548 659638 691635 698222 706755 717042 729855 736806 748095 756666 789435 829962 836549 840740 848106 859607 882777 897714 922180 934413 942340 973140 989457 997460 1047333 1052580 1075563 1105209 1120140 1177036 1185660 1195070 1211580 1228010 1245884 1261110 1319276 1383270 1396444 1413510 1434084 1459710 1471295 1473612 1496190 1513332 1557355 1578870 1649095 1659924 1673098 1696212 1719214 1745555 1765554 1792605 1795428 1842015 1868826 1891665 1978914 2059813 2074905 2094666 2120265 2151126 2180297 2210418 2227961 2244285 2390140 2443777 2456020 2509647 2522220 2578821 2648331 2766540 2803239 2827020 2919420 2942590 2968371 2992380 3114710 3141999 3157740 3298190 3346196 3438428 3491110 3531108 3585210 3684030 3737652 3783330 3957828 4119626 4149810 4182745 4189332 4240530 4298035 4302252 4360594 4413885 4420836 4455922 4488570 4672065 4887554 4947285 5019294 5157642 5236665 5296662 5377815 5526045 5606478 5855843 5885180 5936742 6179439 6229420 6283998 6333871 6540891 6596380 6683883 6982220 7170420 7331331 7368060 7528941 7566660 7736463 8239252 8299620 8365490 8481060 8596070 8721188 8827770 8911844 8977140 9344130 9775108 9894570 10038588 10299065 10315284 10473330 10593324 10755630 10901485 11052090 11139805 11212956 11711686 11873484 12218885 12358878 12548235 12567996 12667742 12894105 13081782 13241655 13367766 14016195 14662662 14841855 15057882 15262079 15472926 15595727 15709995 16507963 16730980 17192140 17567529 17655540 18538317 18688260 19001613 19622673 19789140 20051649 20598130 20946660 21511260 21802970 21993993 22104180 22279610 23423372 24437770 24717756 25096470 25335484 25788210 26163564 26483310 26735532 28032390 29279215 29325324 29683710 30115764 30524158 30897195 30945852 31191454 31419990 31669355 32704455 33015926 33419415 35135058 36656655 37076634 37644705 38003226 38682315 39245346 39556817 40103298 41196260 43605940 43987986 44337097 44559220 45786237 46787181 48875540 49523889 50192940 51576420 52702587 52966620 56064780 57004839 58558430 59367420 61048316 61794390 62382908 62839980 63338710 65408910 66031852 66838830 70270116 73313310 74153268 75289410 76006452 76310395 77364630 77978635 78490692 79113634 80206596 82539815 87837645 87975972 88674194 91572474 92691585 93574362 95008065 98113365 99047778 100258245 105405174 109170089 109969965 114009678 115555741 117116860 118670451 123588780 126677420 130817820 133011291 133677660 137358711 140361543 146626620 148571667 150578820 152620790 154729260 155957270 158227268 165079630 175675290 177348388 183144948 185383170 187148724 190016130 196226730 197784085 198095556 200516490 210810348 218340178 219939930 221685485 228019356 228931185 231111482 233935905 237340902 247619445 263512935 266022582 274717422 276897719 280723086 285024195 297143334 305241580 310359679 311914540 327510267 330159260 346667223 351350580 356011353 370766340 380032260 392453460 395568170 399033873 401032980 436680356 439879860 443370970 457862370 462222964 467871810 474681804 495238890 527025870 532045164 545850445 549434844 553795438 561446172 570048390 577778705 593352255 594286668 620719358 655020534 665056455 686793555 693334446 701807715 712022706 742858335 791136340 798067746 808890187 830693157 886741940 915724740 931079037 935743620 982530801 990477780 1040001669 1054051740 1091700890 1107590876 1140096780 1155557410 1186704510 1241438716 1310041068 1330112910 1373587110 1384488595 1386668892 1403615430 1424045412 1485716670 1551798395 1596135492 1617780374 1637551335 1661386314 1733336115 1780056765 1862158074 1938284033 1965061602 1995169365 2080003338 2096511301 2183401780 2311114820 2373409020 2426670561 2492079471 2660225820 2747174220 2768977190 2793237111 2807230860 2971433340 3103596790 3235560748 3275102670 3322772628 3466672230 3560113530 3724316148 3876568066 3930123204 3990338730 4044450935 4153465785 4160006676 4193022602 4655395185 4853341122 4912654005 4984158942 5200008345 5537954380 5586474222 5814852099 6207193580 6289533903 6550205340 6933344460 7120227060 7280011683 7753136132 7980677460 8088901870 8306931570 8386045204 9310790370 9691420165 9706682244 9825308010 9968317884 10400016690 10482556505 11172948444 11629704198 12133352805 12460397355 12579067806 13966185555 14560023366 14675579107 16177803740 16613863140 17444556297 18621580740 18868601709 19382840330 19650616020 20800033380 20965113010 23259408396 24266705610 24920794710 25158135612 27932371110 29074260495 29120046732 29351158214 31447669515 34889112594 36400058415 37737203418 38765680660 41930226020 44026737321 48533411220 49841589420 55864742220 58148520990 58702316428 62895339030 69778225188 72800116830 73377895535 75474406836 87222781485 88053474642 94343008545 102729053749 116297041980 125790678060 132080211963 145600233660 146755791070 174445562970 176106949284 188686017090 205458107498 220133686605 264160423926 293511582140 308187161247 348891125940 377372034180 410916214996 440267373210 513645268745 528320847852 616374322494 660401059815 880534746420 924561483741 1027290537490 1232748644988 1320802119630 1540935806235 1849122967482 2054581074980 2641604239260 3081871612470 3698245934964 4622807418705 6163743224940 9245614837410 18491229674820
• Sum of all divisors σ(n): 67276008124416
• Sum of proper divisors (its aliquot sum) s(n): 48784778449596
• 18491229674820 is an abundant number, because the sum of its proper divisors (48784778449596) is greater than itself. Its abundance is 30293548774776

Bases of 18491229674820

• Binary: 100001101000101010011001011010001110101000100₂
• Hexadecimal: 0x10D1532D1D44
• Base-36: 6JYR4PVT0

Squares and roots of 18491229674820

• 18491229674820 squared (18491229674820²) is 341925574886943762942032400
• 18491229674820 cubed (18491229674820³) is 6322624336929342675890224942361904168000
• The square root of 18491229674820 is 4300142.9830669585
• The cube root of 18491229674820 is 26443.6823091009

Scales and comparisons

• 18,491,229,674,820 seconds is equal to 587,963 years, 47 weeks, 23 hours, 27 minutes.
• To count from 1 to 18,491,229,674,820 would take you about one million, four hundred sixty-nine thousand, nine hundred nine 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 18491229674820 cubic inches would be around 2203.6 feet tall.

Recreational maths with 18491229674820

• 18491229674820 backwards is 02847692219481
• 18491229674820 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18491229674820's digits is 63
• More coming soon!