18109914693840

Names of 18109914693840

• Cardinal: 18109914693840 can be written as Eighteen trillion, one hundred nine billion, nine hundred fourteen million, six hundred ninety-three thousand, eight hundred forty.

Scientific notation

• Scientific notation: 1.810991469384 × 10¹³

Factors of 18109914693840

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 820

Divisors of 18109914693840

• Number of divisors d(n): 720
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 36 40 45 48 60 61 71 72 80 90 120 122 142 144 157 180 183 213 240 244 284 305 314 355 360 366 426 471 488 521 549 568 610 628 639 710 720 732 785 852 915 942 976 1042 1065 1098 1136 1220 1256 1278 1413 1420 1464 1563 1570 1704 1830 1884 2084 2130 2196 2355 2440 2512 2556 2605 2745 2826 2840 2928 3126 3140 3195 3408 3660 3768 4168 4260 4331 4392 4689 4710 4880 5041 5112 5210 5490 5652 5680 6252 6280 6390 7065 7320 7536 7815 8336 8520 8662 8784 9378 9420 9577 10082 10224 10420 10980 11147 11304 12504 12560 12780 12993 14130 14640 15123 15630 17040 17324 18756 18840 19154 20164 20840 21655 21960 22294 22608 23445 25008 25205 25560 25986 28260 28731 30246 31260 31781 33441 34648 36991 37512 37680 38308 38979 40328 41680 43310 43920 44588 45369 46890 47885 50410 51120 51972 55735 56520 57462 60492 62520 63562 64965 66882 69296 73982 75024 75615 76616 77958 80656 81797 86193 86620 89176 90738 93780 95343 95770 100323 100820 103944 110973 111470 113040 114924 120984 125040 127124 129930 133764 143655 147964 151230 153232 155916 158905 163594 167205 172386 173240 178352 181476 184955 187560 190686 191540 194895 200646 201640 207888 221946 222940 226845 229848 241968 245391 254248 259860 267528 286029 287310 295928 302460 307501 311832 317810 327188 332919 334410 344772 346480 362952 369910 375120 381372 383080 389790 401292 403280 408985 430965 443892 445880 453690 459696 476715 490782 501615 508496 519720 535056 554865 572058 574620 591856 604920 615002 623664 635620 654376 665838 668820 679967 689544 725904 736173 739820 762744 766160 779580 791437 802584 817970 861930 887784 891760 907380 922503 953430 981564 1003230 1039440 1109730 1144116 1149240 1209840 1226955 1230004 1271240 1308752 1331676 1337640 1359934 1379088 1430145 1472346 1479640 1525488 1537505 1559160 1582874 1605168 1635940 1664595 1723860 1775568 1814760 1845006 1906860 1963128 2006460 2039901 2219460 2256451 2288232 2298480 2374311 2453910 2460008 2542480 2626361 2663352 2675280 2719868 2767509 2860290 2944692 2959280 3075010 3118320 3165748 3271880 3329190 3399835 3447720 3629520 3680865 3690012 3813720 3926256 3957185 4012920 4079802 4438920 4512902 4576464 4612515 4748622 4907820 4920016 4989617 5252722 5326704 5439736 5535018 5720580 5807587 5889384 6119703 6150020 6331496 6543760 6658380 6769353 6799670 6895440 7122933 7361730 7380024 7627440 7879083 7914370 8025840 8159604 8877840 9025804 9225030 9497244 9815640 9979234 10199505 10505444 10879472 11070036 11282255 11441160 11615174 11778768 11871555 12239406 12300040 12662992 13131805 13316760 13538706 13599340 13837545 14245866 14723460 14760048 14968851 15758166 15828740 16319208 17422761 18051608 18450060 18994488 19631280 19958468 20308059 20399010 21010888 22140072 22564510 22882320 23230348 23637249 23743110 24478812 24600080 24948085 26263610 26633520 27077412 27198680 27675090 28491732 29037935 29446920 29937702 30598515 31516332 31657480 32638416 33846765 34845522 35614665 36103216 36900120 37988976 39395415 39916936 40616118 40798020 42021776 44280144 44906553 45129020 46460696 47274498 47486220 48277657 48957624 49896170 52268283 52527220 54154824 54397360 55350180 56983464 58075870 58893840 59875404 61197030 63032664 63314960 67693530 69691044 71229330 73800240 74844255 78790830 79833872 81232236 81596040 87113805 89813106 90258040 92921392 94548996 94972440 96555314 97915248 99792340 101540295 104536566 105054440 108309648 110700360 113966928 116151740 118186245 119750808 122394060 126065328 135387060 139382088 142458660 144832971 149688510 157581660 160208021 162464472 163192080 174227610 179626212 180516080 189097992 189944880 193110628 199584680 203080590 209073132 210108880 221400720 224532765 232303480 236372490 239501616 241388285 244788120 261341415 270774120 278764176 284917320 289665942 299377020 315163320 320416042 324928944 348455220 354262807 359252424 378195984 386221256 399169360 406161180 412338677 418146264 434498913 449065530 464606960 472744980 480624063 482776570 489576240 522682830 541548240 569834640 579331884 598754040 630326640 640832084 696910440 708525614 718504848 724164855 772442512 801040105 812322360 824677354 836292528 868997826 898131060 945489960 961248126 965553140 1045365660 1062788421 1158663768 1197508080 1237016031 1281664168 1393820880 1417051228 1441872189 1448329710 1602080210 1624644720 1649354708 1737995652 1771314035 1796262120 1890979920 1922496252 1931106280 2061693385 2090731320 2125576842 2172494565 2317327536 2403120315 2474032062 2563328336 2834102456 2883744378 2896659420 3188365263 3204160420 3298709416 3475991304 3542628070 3592524240 3711048093 3844992504 3862212560 4123386770 4181462640 4251153684 4344989130 4806240630 4948064124 5313942105 5668204912 5767488756 5793318840 6185080155 6376730526 6408320840 6597418832 6951982608 7085256140 7209360945 7422096186 7689985008 8246773540 8502307368 8689978260 9612481260 9896128248 10627884210 11534977512 11586637680 12370160310 12753461052 12816641680 14170512280 14418721890 14844192372 15941826315 16493547080 17004614736 17379956520 18555240465 19224962520 19792256496 21255768420 23069955024 24740320620 25152659297 25506922104 28341024560 28837443780 29688384744 31883652630 32987094160 34759913040 37110480930 38449925040 42511536840 49480641240 50305318594 51013844208 57674887560 59376769488 63767305260 74220961860 75457977891 85023073680 98961282480 100610637188 115349775120 125763296485 127534610520 148441923720 150915955782 201221274376 226373933673 251526592970 255069221040 296883847440 301831911564 377289889455 402442548752 452747867346 503053185940 603663823128 754579778910 905495734692 1006106371880 1131869668365 1207327646256 1509159557820 1810991469384 2012212743760 2263739336730 3018319115640 3621982938768 4527478673460 6036638231280 9054957346920 18109914693840
• Sum of all divisors σ(n): 63219545417808
• Sum of proper divisors (its aliquot sum) s(n): 45109630723968
• 18109914693840 is an abundant number, because the sum of its proper divisors (45109630723968) is greater than itself. Its abundance is 26999716030128

Bases of 18109914693840

• Binary: 100000111100010001011000010000100000011010000₂
• Hexadecimal: 0x10788B0840D0
• Base-36: 6F3KVMHG0

Squares and roots of 18109914693840

• 18109914693840 squared (18109914693840²) is 327969010218161940933945600
• 18109914693840 cubed (18109914693840³) is 5939490797274052038156315594287215104000
• The square root of 18109914693840 is 4255574.5433301953
• The cube root of 18109914693840 is 26260.6498012123

Scales and comparisons

• 18,109,914,693,840 seconds is equal to 575,839 years, 14 weeks, 3 hours, 24 minutes.
• To count from 1 to 18,109,914,693,840 would take you about one million, four hundred thirty-nine thousand, five hundred ninety-eight 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 18109914693840 cubic inches would be around 2188.4 feet tall.

Recreational maths with 18109914693840

• 18109914693840 backwards is 04839641990181
• The number of decimal digits it has is: 14
• The sum of 18109914693840's digits is 63
• More coming soon!