18868358358720

Names of 18868358358720

• Cardinal: 18868358358720 can be written as Eighteen trillion, eight hundred sixty-eight billion, three hundred fifty-eight million, three hundred fifty-eight thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 1.886835835872 × 10¹³

Factors of 18868358358720

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 1020

Divisors of 18868358358720

• Number of divisors d(n): 672
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 16 18 20 24 26 27 30 32 36 39 40 45 48 52 54 60 64 65 72 78 80 90 96 104 108 117 120 130 135 144 156 160 169 180 192 195 208 216 234 240 260 270 288 312 320 338 351 360 390 416 432 468 480 507 520 540 576 585 624 676 702 720 780 832 845 864 936 960 997 1014 1040 1080 1170 1248 1352 1404 1440 1521 1560 1690 1728 1755 1872 1994 2028 2080 2160 2197 2340 2496 2535 2704 2808 2880 2991 3042 3120 3380 3510 3744 3988 4056 4160 4320 4394 4563 4680 4985 5070 5408 5616 5982 6084 6240 6591 6760 7020 7488 7605 7976 8112 8640 8788 8973 9126 9360 9970 10140 10816 10985 11232 11964 12168 12480 12961 13182 13520 14040 14955 15210 15952 16224 17576 17946 18252 18720 19773 19940 20280 21970 22464 22815 23928 24336 25922 26364 26919 27040 28080 29910 30420 31904 32448 32955 35152 35892 36504 37440 38883 39546 39880 40560 43940 44865 45630 47856 48672 51844 52728 53838 54080 56160 59319 59820 60840 63808 64805 65910 70304 71784 73008 77766 79092 79760 81120 87880 89730 91260 95712 97344 98865 103688 105456 107676 112320 116649 118638 119640 121680 129610 131820 134595 140608 143568 146016 155532 158184 159520 162240 168493 175760 179460 182520 191424 194415 197730 207376 210912 215352 233298 237276 239280 243360 259220 263640 269190 287136 292032 296595 311064 316368 319040 336986 349947 351520 358920 365040 388830 395460 414752 421824 430704 466596 474552 478560 486720 505479 518440 527280 538380 574272 583245 593190 622128 632736 673972 699894 703040 717840 730080 777660 790920 829504 842465 861408 933192 949104 957120 994009 1010958 1036880 1054560 1076760 1166490 1186380 1244256 1265472 1347944 1399788 1435680 1460160 1516437 1555320 1581840 1684930 1722816 1749735 1866384 1898208 1988018 2021916 2073760 2109120 2153520 2190409 2332980 2372760 2488512 2527395 2695888 2799576 2871360 2982027 3032874 3110640 3163680 3369860 3499470 3732768 3796416 3976036 4043832 4147520 4307040 4380818 4549311 4665960 4745520 4970045 5054790 5391776 5599152 5964054 6065748 6221280 6327360 6571227 6739720 6998940 7465536 7582185 7952072 8087664 8614080 8761636 8946081 9098622 9331920 9491040 9940090 10109580 10783552 10952045 11198304 11928108 12131496 12442560 12922117 13142454 13479440 13997880 14910135 15164370 15904144 16175328 17523272 17892162 18197244 18663840 18982080 19713681 19880180 20219160 21904090 22396608 22746555 23856216 24262992 25844234 26284908 26838243 26958880 27995760 29820270 30328740 31808288 32350656 32856135 35046544 35784324 36394488 37327680 38766351 39427362 39760360 40438320 43808180 44730405 45493110 47712432 48525984 51688468 52569816 53676486 53917760 55991520 59141043 59640540 60657480 63616576 64610585 65712270 70093088 71568648 72788976 77532702 78854724 79520720 80876640 87616360 89460810 90986220 95424864 97051968 98568405 103376936 105139632 107352972 111983040 116299053 118282086 119281080 121314960 129221170 131424540 134191215 140186176 143137296 145577952 155065404 157709448 159041440 161753280 167987521 175232720 178921620 181972440 190849728 193831755 197136810 206753872 210279264 214705944 232598106 236564172 238562160 242629920 258442340 262849080 268382430 286274592 291155904 295705215 310130808 315418896 318082880 335975042 348897159 350465440 357843240 363944880 387663510 394273620 413507744 420558528 429411888 465196212 473128344 477124320 485259840 503962563 516884680 525698160 536764860 572549184 581495265 591410430 620261616 630837792 671950084 697794318 700930880 715686480 727889760 775327020 788547240 827015488 839937605 858823776 930392424 946256688 954248640 1007925126 1033769360 1051396320 1073529720 1162990530 1182820860 1240523232 1261675584 1343900168 1395588636 1431372960 1455779520 1511887689 1550654040 1577094480 1679875210 1717647552 1744485795 1860784848 1892513376 2015850252 2067538720 2102792640 2147059440 2183837773 2325981060 2365641720 2481046464 2519812815 2687800336 2791177272 2862745920 3023775378 3101308080 3154188960 3359750420 3488971590 3721569696 3785026752 4031700504 4135077440 4294118880 4367675546 4535663067 4651962120 4731283440 5039625630 5375600672 5582354544 6047550756 6202616160 6308377920 6551513319 6719500840 6977943180 7443139392 7559438445 8063401008 8588237760 8735351092 9071326134 9303924240 9462566880 10079251260 10751201344 10919188865 11164709088 12095101512 12405232320 13103026638 13439001680 13955886360 15118876890 16126802016 17470702184 18142652268 18607848480 18925133760 19654539957 20158502520 21838377730 22329418176 22678315335 24190203024 26206053276 26878003360 27911772720 30237753780 32253604032 32757566595 34941404368 36285304536 37215696960 39309079914 40317005040 43676755460 45356630670 48380406048 52412106552 53756006720 55823545440 58963619871 60475507560 65515133190 69882808736 72570609072 78618159828 80634010080 87353510920 90713261340 96760812096 98272699785 104824213104 111647090880 117927239742 120951015120 131030266380 139765617472 145141218144 157236319656 161268020160 174707021840 181426522680 196545399570 209648426208 235854479484 241902030240 262060532760 290282436288 294818099355 314472639312 349414043680 362853045360 393090799140 419296852416 471708958968 483804060480 524121065520 589636198710 628945278624 698828087360 725706090720 786181598280 943417917936 1048242131040 1179272397420 1257890557248 1451412181440 1572363196560 1886835835872 2096484262080 2358544794840 3144726393120 3773671671744 4717089589680 6289452786240 9434179179360 18868358358720
• Sum of all divisors σ(n): 72180195796800
• Sum of proper divisors (its aliquot sum) s(n): 53311837438080
• 18868358358720 is an abundant number, because the sum of its proper divisors (53311837438080) is greater than itself. Its abundance is 34443479079360

Bases of 18868358358720

• Binary: 100010010100100100001110011000010011011000000₂
• Hexadecimal: 0x112921CC26C0
• Base-36: 6OS05EEO0

Squares and roots of 18868358358720

• 18868358358720 squared (18868358358720²) is 356014947153078892200038400
• 18868358358720 cubed (18868358358720³) is 6717417603945055183026192354944974848000
• The square root of 18868358358720 is 4343772.3649749419
• The cube root of 18868358358720 is 26622.2468073655

Scales and comparisons

• 18,868,358,358,720 seconds is equal to 599,955 years, 22 weeks, 3 days, 7 hours, 12 minutes.
• To count from 1 to 18,868,358,358,720 would take you about one million, four hundred ninety-nine thousand, eight hundred eighty-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 18868358358720 cubic inches would be around 2218.5 feet tall.

Recreational maths with 18868358358720

• 18868358358720 backwards is 02785385386881
• 18868358358720 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18868358358720's digits is 72
• More coming soon!