18694809788421168

Names of 18694809788421168

• Cardinal: 18694809788421168 can be written as Eighteen quadrillion, six hundred ninety-four trillion, eight hundred nine billion, seven hundred eighty-eight million, four hundred twenty-one thousand, one hundred sixty-eight.

Scientific notation

• Scientific notation: 1.8694809788421168 × 10¹⁶

Factors of 18694809788421168

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 47760

Divisors of 18694809788421168

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 36 43 48 71 72 86 129 142 144 172 213 258 284 344 387 426 516 521 568 639 688 774 852 1032 1042 1136 1278 1548 1563 1704 1801 2064 2084 2556 3053 3096 3126 3408 3602 4168 4689 5112 5403 6106 6192 6252 7204 8336 9159 9378 10224 10806 12212 12504 14408 16209 18318 18756 21612 22403 24424 25008 27477 28816 32418 36636 36991 37512 43224 44806 45319 48848 54954 64836 67209 73272 73982 75024 77443 86448 89612 90638 109908 110973 127871 129672 134418 135957 146544 147964 154886 179224 181276 201627 219816 221946 232329 255742 259344 268836 271914 295928 309772 332919 358448 362552 383613 403254 407871 439632 443892 464658 511484 537672 543828 591856 619544 665838 696987 725104 767226 806508 815742 887784 929316 938321 1022968 1075344 1087656 1150839 1239088 1331676 1393974 1534452 1590613 1613016 1631484 1775568 1858632 1876642 1948717 2045936 2175312 2301678 2663352 2787948 2814963 3068904 3181226 3217649 3226032 3262968 3717264 3753284 3897434 4603356 4771839 5326704 5498453 5575896 5629926 5846151 6137808 6362452 6435298 6525936 7506568 7794868 8444889 9206712 9543678 9652947 10996906 11151792 11259852 11692302 12724904 12870596 14315517 15013136 15589736 16495359 16889778 17538453 18413424 19087356 19305894 21993812 22519704 23384604 23611199 25449808 25741192 28631034 28958841 31179472 32990718 33779556 35076906 38174712 38611788 40347803 43987624 45039408 46769208 47222398 49486077 51482384 57262068 57917682 65981436 66620791 67559112 70153812 70833597 76349424 77223576 80695606 81619519 87975248 93538416 94444796 98972154 114524136 115835364 121043409 131962872 133241582 135118224 138358907 140307624 141667194 154447152 161391212 163239038 188889592 197944308 199862373 212500791 229048272 231670728 242086818 244858557 263925744 266483164 276717814 280615248 283334388 322782424 326478076 363130227 377779184 395888616 399724746 415076721 425001582 463341456 484173636 489717114 532966328 553435628 566668776 599587119 645564848 652956152 726260454 734575671 791777232 799449492 830153442 850003164 968347272 979434228 1015281557 1065932656 1106871256 1133337552 1199174238 1245230163 1305912304 1452520908 1469151342 1598898984 1660306884 1676395129 1700006328 1936694544 1958868456 2030563114 2213742512 2398348476 2490460326 2864694013 2905041816 2938302684 3045844671 3197797968 3320613768 3352790258 3400012656 3509639317 3917736912 4061126228 4796696952 4980920652 5029185387 5729388026 5794985849 5810083632 5876605368 6091689342 6641227536 6705580516 7019278634 8122252456 8594082039 9137534013 9593393904 9961841304 10058370774 10528917951 11458776052 11589971698 11753210736 12183378684 13411161032 14038557268 15087556161 16244504912 17188164078 17384957547 18275068026 19923682608 20116741548 21057835902 22917552104 23179943396 24366757368 25782246117 26822322064 28077114536 30175112322 31586753853 34376328156 34769915094 36550136052 40233483096 42115671804 42523769399 45835104208 46359886792 48733514736 51564492234 52154872641 56154229072 60350224644 63173507706 68752656312 69539830188 72084990547 73100272104 80466966192 84231343608 85047538798 92719773584 103128984468 104309745282 120700449288 126347015412 127571308197 137505312624 139079660376 144169981094 146200544208 168462687216 170095077596 206257968936 208619490564 216254971641 241400898576 249184391507 252694030824 255142616394 278159320752 288339962188 340190155192 382713924591 412515937872 417238981128 432509943282 498368783014 505388061648 510285232788 576679924376 648764914923 680380310384 747553174521 765427849182 834477962256 865019886564 996737566028 1020570465576 1153359848752 1297529829846 1495106349042 1530855698364 1730039773128 1828522084157 1993475132056 2041140931152 2242659523563 2595059659692 2990212698084 3019187627329 3061711396728 3460079546256 3657044168314 3986950264112 4485319047126 5190119319384 5485566252471 5980425396168 6038375254658 6123422793456 7314088336628 8970638094252 9057562881987 10380238638768 10971132504942 11960850792336 12076750509316 14628176673256 16456698757413 17941276188504 18115125763974 21942265009884 24153501018632 27172688645961 29256353346512 32913397514826 35882552377008 36230251527948 43884530019768 48307002037264 54345377291922 65826795029652 72460503055896 87769060039536 108690754583844 129825067975147 131653590059304 144921006111792 217381509167688 259650135950294 263307180118608 389475203925441 434763018335376 519300271900588 778950407850882 1038600543801176 1168425611776323 1557900815701764 2077201087602352 2336851223552646 3115801631403528 4673702447105292 6231603262807056 9347404894210584 18694809788421168
• Sum of all divisors σ(n): 54425873748280320
• Sum of proper divisors (its aliquot sum) s(n): 35731063959859152
• 18694809788421168 is an abundant number, because the sum of its proper divisors (35731063959859152) is greater than itself. Its abundance is 17036254171437984

Bases of 18694809788421168

• Binary: 1000010011010101101010010011000100101010001010000110000₂
• Hexadecimal: 0x426AD498951430
• Base-36: 542R91YCA40

Squares and roots of 18694809788421168

• 18694809788421168 squared (18694809788421168²) is 349495913025247916241762150484224
• 18694809788421168 cubed (18694809788421168³) is 6533759615837597930380116839628110256179651653632
• The square root of 18694809788421168 is 136728964.7017820727
• The cube root of 18694809788421168 is 265403.7267893005

Scales and comparisons

• 18,694,809,788,421,168 seconds is equal to 594,437,124 years, 22 weeks, 1 day, 21 hours, 52 minutes, 48 seconds.
• To count from 1 to 18,694,809,788,421,168 would take you about one billion, seven hundred eighty-three million, three hundred eleven thousand, three hundred seventy-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 18694809788421168 cubic inches would be around 22117 feet tall.

Recreational maths with 18694809788421168

• 18694809788421168 backwards is 86112488790849681
• The number of decimal digits it has is: 17
• The sum of 18694809788421168's digits is 90
• More coming soon!