18918506970090

Names of 18918506970090

• Cardinal: 18918506970090 can be written as Eighteen trillion, nine hundred eighteen billion, five hundred six million, nine hundred seventy thousand and ninety.

Scientific notation

• Scientific notation: 1.891850697009 × 10¹³

Factors of 18918506970090

• Number of distinct prime factors ω(n): 9
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 2576

Divisors of 18918506970090

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 5 6 7 9 10 13 14 15 18 21 26 30 31 35 39 42 45 59 62 63 65 70 78 90 91 93 105 117 118 126 130 155 177 182 186 195 210 217 234 273 279 295 310 315 354 390 403 413 434 455 465 531 546 558 585 590 630 651 733 767 806 819 826 885 910 930 1062 1085 1170 1209 1239 1302 1365 1395 1466 1534 1638 1723 1770 1829 1953 2015 2065 2170 2199 2301 2418 2478 2655 2730 2790 2821 3255 3446 3627 3658 3665 3717 3835 3906 4030 4095 4130 4398 4602 5131 5169 5310 5369 5487 5642 6045 6195 6510 6597 6903 7254 7330 7434 7670 8190 8463 8615 9145 9529 9765 10262 10338 10738 10974 10995 11505 12061 12090 12390 12803 13194 13806 14105 15393 15507 16107 16461 16926 17230 18135 18290 18585 19058 19530 21990 22399 22723 23010 23777 24122 25389 25606 25655 25845 26845 27435 28210 28587 30786 31014 32214 32922 32985 34515 36183 36270 37170 38409 42315 43247 44798 45446 46179 47554 47645 48321 50778 51310 51690 53413 53690 54870 57174 60305 64015 65970 66703 67197 68169 69030 71331 72366 76818 76965 77535 80535 82305 84630 85761 86494 92358 95290 96642 101657 106826 108549 111995 113615 115227 118885 120610 126945 128030 129741 133406 134394 136338 142662 142935 153930 155070 156793 159061 160239 161070 164610 166439 171522 180915 192045 200109 201591 203314 204507 213993 216235 217098 223990 227230 230454 230895 237770 241605 253890 259482 267065 285870 295399 302729 304971 313586 318122 320478 332878 333515 335985 340845 356655 361830 373891 384090 389223 400218 403182 409014 427986 428805 432470 461790 470379 477183 480717 483210 499317 508285 534130 542745 562211 576135 590798 600327 605458 609942 648705 667030 671970 681690 694369 711599 713310 747782 778446 783965 795305 801195 832195 857610 886197 908187 914913 940758 954366 961434 998634 1000545 1007955 1016570 1022535 1069965 1085490 1121673 1124422 1152270 1200654 1262959 1297410 1321541 1340657 1388738 1411137 1423198 1431549 1476995 1497951 1513645 1524855 1567930 1590610 1602390 1664390 1686633 1772394 1816374 1829826 1869455 1946115 2001090 2015910 2045070 2067793 2083107 2134797 2139930 2243346 2351895 2385915 2403585 2496585 2525918 2643082 2658591 2681314 2724561 2811055 2822274 2863098 2953990 2995902 3001635 3027290 3049710 3151367 3365019 3373266 3471845 3557995 3738910 3788877 3892230 3935477 3964623 4021971 4135586 4166214 4269594 4430985 4540935 4574565 4703790 4771830 4807170 4860583 4993170 5059899 5317182 5449122 5608365 5622110 6003270 6203379 6249321 6302734 6314795 6404391 6607705 6703285 6730038 6943690 7055685 7115990 7157745 7489755 7577754 7870954 7929246 8043942 8433165 8840713 8861970 9081870 9149130 9250787 9384599 9454101 9721166 10119798 10338965 10415535 10673985 11216730 11366631 11806431 11893869 12065913 12406758 12498642 12629590 12808782 13215410 13292955 13406570 13622805 14111370 14315490 14581749 14979510 15756835 16418467 16825095 16866330 17428541 17681426 18501574 18610137 18769198 18908202 18944385 19677385 19823115 20109855 20677930 20831070 21347970 22059569 22733262 23612862 23787738 24131826 24302915 25299495 26522139 26585910 27245610 27752361 28153797 28362303 29163498 31016895 31246605 31513670 32021955 32836934 33650190 34857082 35419293 37220274 37888770 39151729 39354770 39646230 40219710 40967771 43745247 44119138 44203565 46253935 46922995 47270505 48605830 49255401 50598990 52285623 53044278 55504722 56307594 56724606 56833155 59032155 59469345 60329565 62033790 62493210 64043910 66178707 70838586 72908745 74514581 78303458 79566417 81935542 82092335 83257083 84461391 87142705 87490494 88407130 92507870 93050685 93845990 94541010 98510802 104571246 110297845 113666310 114929269 117455187 118064310 118938690 120659130 121999787 122903313 132357414 132610695 138761805 140768985 141811515 145817490 147766203 149029162 156856869 159132834 164184670 166514166 168922782 174285410 177096465 186101370 195758645 198536121 204838855 218726235 220595690 223543743 229858538 234910374 243999574 245806626 246277005 261428115 265221390 274062103 277523610 281537970 283623030 286774397 295532406 313713738 330893535 344787807 352365561 354192930 365999361 368709939 372572905 391517290 397072242 397832085 409677710 416285415 422306955 437452470 447087486 492554010 508972477 521602067 522856230 548124206 573548794 574646345 587275935 609998935 614516565 661787070 670631229 689575614 704731122 731998722 737419878 738831015 745145810 784284345 795664170 822186309 832570830 844613910 860323191 968689553 992680605 1017944954 1034363421 1043204134 1097998083 1117718715 1149292690 1174551870 1219997870 1229033130 1341262458 1370310515 1433871985 1477662030 1526917431 1564806201 1568568690 1644372618 1720646382 1723939035 1761827805 1829996805 1843549695 1937379106 1985361210 2068726842 2195996166 2235437430 2309952011 2466558927 2544862385 2580969573 2608010335 2740621030 2867743970 2906068659 3053834862 3129612402 3353156145 3447878070 3523655610 3562807339 3659993610 3687099390 4110931545 4301615955 4580752293 4619904022 4694418603 4843447765 4933117854 5089724770 5161939146 5171817105 5216020670 5489990415 5812137318 6706312290 6780826871 6929856033 7125614678 7634587155 7824031005 8221863090 8603231910 8718205977 9161504586 9388837206 9686895530 10343634210 10688422017 10979980830 11549760055 12332794635 12904847865 13561653742 13859712066 14530343295 15269174310 15648062010 16169664077 17436411954 17814036695 20342480613 20789568099 21376844034 22903761465 23099520110 23472093015 24665589270 25809695730 29060686590 30029376143 32065266051 32339328154 33904134355 34649280165 35628073390 40684961226 41579136198 43591029885 45807522930 46944186030 48508992231 53442110085 60058752286 61027441839 64130532102 67808268710 69298560330 80848320385 87182059770 90088128429 97017984462 101712403065 103947840495 106884220170 122054883678 145526976693 150146880715 160326330255 161696640770 180176256858 203424806130 207895680990 210205633001 242544961155 270264385287 291053953386 300293761430 305137209195 320652660510 420411266002 450440642145 485089922310 540528770574 610274418390 630616899003 727634883465 900881284290 1051028165005 1261233798006 1351321926435 1455269766930 1891850697009 2102056330010 2702643852870 3153084495015 3783701394018 6306168990030 9459253485045 18918506970090
• Sum of all divisors σ(n): 63674923253760
• Sum of proper divisors (its aliquot sum) s(n): 44756416283670
• 18918506970090 is an abundant number, because the sum of its proper divisors (44756416283670) is greater than itself. Its abundance is 25837909313580

Bases of 18918506970090

• Binary: 100010011010011001110111000110011101111101010₂
• Hexadecimal: 0x1134CEE33BEA
• Base-36: 6PF1IL6UI

Squares and roots of 18918506970090

• 18918506970090 squared (18918506970090²) is 357909905977343912154608100
• 18918506970090 cubed (18918506970090³) is 6771121050896637355721982009562371729000
• The square root of 18918506970090 is 4349541.0068293413
• The cube root of 18918506970090 is 26645.8116142639

Scales and comparisons

• 18,918,506,970,090 seconds is equal to 601,550 years, 1 day, 1 hour, 1 minute, 30 seconds.
• To count from 1 to 18,918,506,970,090 would take you about one million, five hundred three thousand, eight hundred seventy-five 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 18918506970090 cubic inches would be around 2220.5 feet tall.

Recreational maths with 18918506970090

• 18918506970090 backwards is 09007960581981
• 18918506970090 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18918506970090's digits is 63
• More coming soon!