18989684939520

Names of 18989684939520

• Cardinal: 18989684939520 can be written as Eighteen trillion, nine hundred eighty-nine billion, six hundred eighty-four million, nine hundred thirty-nine thousand, five hundred twenty.

Scientific notation

• Scientific notation: 1.898968493952 × 10¹³

Factors of 18989684939520

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 164704

Divisors of 18989684939520

• Number of divisors d(n): 864
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 17 18 19 20 24 30 31 32 34 36 38 40 45 48 51 57 60 62 64 68 72 76 80 85 90 93 95 96 102 114 120 124 128 136 144 152 153 155 160 170 171 180 186 190 192 204 228 240 248 255 256 272 279 285 288 304 306 310 320 323 340 342 360 372 380 384 408 456 465 480 496 510 527 544 558 570 576 589 608 612 620 640 646 680 684 720 744 760 765 768 816 855 912 930 960 969 992 1020 1054 1088 1116 1140 1152 1178 1216 1224 1240 1280 1292 1360 1368 1395 1440 1488 1520 1530 1581 1615 1632 1710 1767 1824 1860 1920 1938 1984 2040 2108 2176 2232 2280 2304 2356 2432 2448 2480 2584 2635 2720 2736 2790 2880 2907 2945 2976 3040 3060 3162 3230 3264 3420 3534 3648 3720 3840 3876 3968 4080 4216 4352 4464 4560 4712 4743 4845 4864 4896 4960 5168 5270 5301 5440 5472 5580 5760 5814 5890 5952 6080 6120 6324 6460 6528 6840 7068 7296 7440 7752 7905 7936 8160 8432 8835 8928 9120 9424 9486 9690 9792 9920 10013 10336 10540 10602 10880 10944 11160 11520 11628 11780 11904 12160 12240 12648 12920 13056 13680 14136 14535 14592 14880 15504 15810 16320 16864 17670 17856 18240 18848 18972 19380 19584 19840 20026 20672 21080 21204 21760 21888 22320 23256 23560 23715 23808 24320 24480 25296 25840 26505 27360 28272 29070 29760 30039 31008 31620 32640 33728 35340 35712 36480 37696 37944 38760 39168 39680 40052 41344 42160 42408 43776 44640 46512 47120 47430 48960 50065 50592 51680 53010 54720 56544 58140 59520 60078 62016 63240 65280 67456 70680 71424 72960 75392 75888 77520 80104 82688 84320 84816 89280 90117 93024 94240 94860 97920 100130 101184 103360 106020 109440 113088 116280 119040 120156 124032 126480 134912 141360 150195 150784 151776 155040 160208 164627 168640 169632 178560 180234 186048 188480 189720 195840 200260 202368 206720 212040 218880 226176 232560 240312 248064 252960 282720 300390 303552 310080 320416 329254 337280 339264 357120 360468 372096 376960 379440 400520 404736 413440 424080 450585 452352 465120 480624 493881 505920 565440 600780 607104 620160 640832 658508 674560 678528 720936 744192 753920 758880 801040 823135 848160 901170 930240 961248 987762 1011840 1130880 1201560 1214208 1240320 1281664 1317016 1357056 1441872 1481643 1517760 1602080 1646270 1696320 1802340 1860480 1922496 1975524 2023680 2261760 2403120 2469405 2563328 2634032 2798659 2883744 2963286 3035520 3127913 3204160 3292540 3392640 3604680 3720960 3844992 3951048 4806240 4938810 5103437 5268064 5597318 5767488 5926572 6071040 6255826 6408320 6585080 6785280 7209360 7408215 7689984 7902096 8395977 9383739 9612480 9877620 10206874 10536128 11194636 11534976 11853144 12511652 12816640 13170160 13993295 14418720 14816430 15310311 15639565 15804192 16791954 18767478 19224960 19755240 20413748 21072256 22389272 23069952 23706288 25023304 25187931 25517185 26340320 27986590 28151217 28837440 29632860 30620622 31279130 31608384 33583908 37534956 38449920 39510480 40827496 41979885 42144512 44778544 45930933 46918695 47412576 50046608 50375862 51034370 52680640 53174521 55973180 56302434 57674880 59265720 61241244 62558260 63216768 67167816 75069912 76551555 79020960 81654992 83959770 86758429 89557088 91861866 93837390 94825152 96965303 100093216 100751724 102068740 105361280 106349042 111946360 112604868 115349760 118531440 122482488 125116520 125939655 126433536 134335632 140756085 150139824 153103110 158041920 159523563 163309984 167919540 173516858 179114176 183723732 187674780 189650304 193930606 200186432 201503448 204137480 210722560 212698084 223892720 225209736 229654665 237062880 244964976 250233040 251879310 260275287 265872605 268671264 281512170 290895909 300279648 306206220 316083840 319047126 326619968 335839080 347033716 358228352 367447464 375349560 379300608 387861212 400372864 403006896 408274960 425396168 433792145 447785440 450419472 459309330 474125760 478570689 484826515 489929952 500466080 503758620 520550574 531745210 537342528 563024340 581791818 600559296 612412440 632167680 638094252 653239936 671678160 694067432 716456704 734894928 750699120 775722424 780825861 797617815 800745728 806013792 816549920 850792336 867584290 872687727 895570880 900838944 918618660 948251520 957141378 969653030 979859904 1000932160 1007517240 1041101148 1063490420 1074685056 1126048680 1163583636 1201118592 1224824880 1276188504 1301376435 1306479872 1343356320 1388134864 1454479545 1469789856 1501398240 1551444848 1561651722 1595235630 1612027584 1633099840 1648410151 1701584672 1735168580 1745375454 1791141760 1801677888 1837237320 1896503040 1914282756 1939306060 1959719808 2001864320 2015034480 2082202296 2126980840 2149370112 2252097360 2327167272 2392853445 2402237184 2449649760 2552377008 2602752870 2686712640 2776269728 2908959090 2939579712 3002796480 3102889696 3123303444 3190471260 3224055168 3266199680 3296820302 3403169344 3470337160 3490750908 3582283520 3603355776 3674474640 3828565512 3878612120 3904129305 3919439616 4003728640 4030068960 4164404592 4253961680 4363438635 4504194720 4654334544 4785706890 4899299520 4945230453 5104754016 5205505740 5373425280 5552539456 5817918180 5879159424 6005592960 6205779392 6246606888 6380942520 6448110336 6532399360 6593640604 6806338688 6940674320 6981501816 7206711552 7348949280 7657131024 7757224240 7808258610 8060137920 8242050755 8328809184 8507923360 8726877270 9008389440 9308669088 9571413780 9798599040 9890460906 10209508032 10411011480 10746850560 11105078912 11635836360 11758318848 12011185920 12411558784 12493213776 12761885040 13187281208 13612677376 13881348640 13963003632 14697898560 14835691359 15314262048 15514448480 15616517220 16120275840 16484101510 16657618368 17015846720 17453754540 18016778880 18617338176 19142827560 19597198080 19780921812 20419016064 20822022960 22210157824 23271672720 24726152265 24823117568 24986427552 25523770080 26374562416 27762697280 27926007264 29395797120 29671382718 30628524096 31028896960 31233034440 32240551680 32968203020 33315236736 34031693440 34907509080 36033557760 37234676352 38285655120 39561843624 40838032128 41644045920 46543345440 49452304530 49972855104 51047540160 52749124832 55525394560 55852014528 58791594240 59342765436 61257048192 62057793920 62466068880 65936406040 66630473472 68063386880 69815018160 74178456795 74469352704 76571310240 79123687248 83288091840 93086690880 98904609060 99945710208 102095080320 105498249664 111050789120 111704029056 118685530872 122514096384 124115587840 124932137760 131872812080 139630036320 148356913590 153142620480 158247374496 166576183680 186173381760 197809218120 199891420416 204190160640 210996499328 223408058112 237371061744 249864275520 263745624160 279260072640 296713827180 306285240960 316494748992 333152367360 372346763520 395618436240 421992998656 474742123488 499728551040 527491248320 558520145280 593427654360 612570481920 632989497984 791236872480 949484246976 999457102080 1054982496640 1117040290560 1186855308720 1265978995968 1582473744960 1898968493952 2109964993280 2373710617440 3164947489920 3797936987904 4747421234880 6329894979840 9494842469760 18989684939520
• Sum of all divisors σ(n): 75591277332480
• Sum of proper divisors (its aliquot sum) s(n): 56601592392960
• 18989684939520 is an abundant number, because the sum of its proper divisors (56601592392960) is greater than itself. Its abundance is 37611907453440

Bases of 18989684939520

• Binary: 100010100010101100001011011001101101100000000₂
• Hexadecimal: 0x1145616CDB00
• Base-36: 6QBQO43K0

Squares and roots of 18989684939520

• 18989684939520 squared (18989684939520²) is 360608134102232706057830400
• 18989684939520 cubed (18989684939520³) is 6847834853229576934232757017046417408000
• The square root of 18989684939520 is 4357715.5643203699
• The cube root of 18989684939520 is 26679.1867140733

Scales and comparisons

• 18,989,684,939,520 seconds is equal to 603,813 years, 12 weeks, 4 days, 3 hours, 12 minutes.
• To count from 1 to 18,989,684,939,520 would take you about one million, five hundred nine thousand, five hundred thirty-three 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 18989684939520 cubic inches would be around 2223.3 feet tall.

Recreational maths with 18989684939520

• 18989684939520 backwards is 02593948698981
• The number of decimal digits it has is: 14
• The sum of 18989684939520's digits is 81
• More coming soon!