18681746265374416

Names of 18681746265374416

• Cardinal: 18681746265374416 can be written as Eighteen quadrillion, six hundred eighty-one trillion, seven hundred forty-six billion, two hundred sixty-five million, three hundred seventy-four thousand, four hundred sixteen.

Scientific notation

• Scientific notation: 1.8681746265374416 × 10¹⁶

Factors of 18681746265374416

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 316

Divisors of 18681746265374416

• Number of divisors d(n): 200
• Complete list of divisors:
  1 2 4 7 8 14 16 28 49 56 98 112 196 307 343 392 614 686 784 1228 1372 2149 2401 2456 2744 4298 4802 4912 5488 8596 9604 15043 16807 17192 19208 30086 33614 34384 38416 60172 67228 94249 105301 117649 120344 134456 188498 210602 235298 240688 268912 376996 421204 470596 659743 737107 753992 823543 842408 941192 1319486 1474214 1507984 1647086 1684816 1882384 2638972 2948428 3294172 4618201 5159749 5277944 5764801 5896856 6588344 9236402 10319498 10555888 11529602 11793712 13176688 18472804 20638996 23059204 28934443 32327407 36118243 36945608 40353607 41277992 46118408 57868886 64654814 72236486 73891216 80707214 82555984 92236816 115737772 129309628 144472972 161414428 202541101 226291849 231475544 252827701 258619256 288945944 322828856 405082202 452583698 462951088 505655402 517238512 577891888 645657712 810164404 905167396 1011310804 1417787707 1584042943 1620328808 1769793907 1810334792 2022621608 2835575414 3168085886 3240657616 3539587814 3620669584 4045243216 5671150828 6336171772 7079175628 9924513949 11088300601 11342301656 12388557349 12672343544 14158351256 19849027898 22176601202 22684603312 24777114698 25344687088 28316702512 39698055796 44353202404 49554229396 69471597643 77618104207 79396111592 88706404808 99108458792 138943195286 155236208414 158792223184 177412809616 198216917584 277886390572 310472416828 486301183501 543326729449 555772781144 620944833656 972602367002 1086653458898 1111545562288 1241889667312 1945204734004 2173306917796 3404108284507 3803287106143 3890409468008 4346613835592 6808216569014 7606574212286 7780818936016 8693227671184 13616433138028 15213148424572 23828757991549 27232866276056 30426296849144 47657515983098 54465732552112 60852593698288 95315031966196 166801305940843 190630063932392 333602611881686 381260127864784 667205223763372 1167609141585901 1334410447526744 2335218283171802 2668820895053488 4670436566343604 9340873132687208 18681746265374416
• Sum of all divisors σ(n): 42366532199992000
• Sum of proper divisors (its aliquot sum) s(n): 23684785934617584
• 18681746265374416 is an abundant number, because the sum of its proper divisors (23684785934617584) is greater than itself. Its abundance is 5003039669243168

Bases of 18681746265374416

• Binary: 1000010010111101111001100000001111011100111111011010000₂
• Hexadecimal: 0x425EF301EE7ED0
• Base-36: 53Y4JR60C0G

Squares and roots of 18681746265374416

• 18681746265374416 squared (18681746265374416²) is 349007643523830939644252667341056
• 18681746265374416 cubed (18681746265374416³) is 6520072240988454141048076381912902915851008823296
• The square root of 18681746265374416 is 136681184.7526001509
• The cube root of 18681746265374416 is 265341.8929499601

Scales and comparisons

• 18,681,746,265,374,416 seconds is equal to 594,021,744 years, 41 weeks, 5 days, 12 hours, 16 seconds.
• To count from 1 to 18,681,746,265,374,416 would take you about one billion, seven hundred eighty-two million, sixty-five thousand, two hundred thirty-four 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 18681746265374416 cubic inches would be around 22111.8 feet tall.

Recreational maths with 18681746265374416

• 18681746265374416 backwards is 61447356264718681
• The number of decimal digits it has is: 17
• The sum of 18681746265374416's digits is 79
• More coming soon!