18242121862940664

Names of 18242121862940664

• Cardinal: 18242121862940664 can be written as Eighteen quadrillion, two hundred forty-two trillion, one hundred twenty-one billion, eight hundred sixty-two million, nine hundred forty thousand, six hundred sixty-four.

Scientific notation

• Scientific notation: 1.8242121862940664 × 10¹⁶

Factors of 18242121862940664

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1943485

Divisors of 18242121862940664

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 8 12 13 24 26 39 52 78 104 156 169 312 338 507 676 859 1014 1352 1718 2028 2577 2699 3436 4056 5154 5398 6872 8097 10308 10796 11167 16194 20616 21592 22334 32388 33501 35087 44668 64776 67002 70174 89336 105261 134004 140348 145171 210522 268008 280696 290342 421044 435513 456131 580684 842088 871026 912262 1161368 1368393 1742052 1824524 1939909 2318441 2736786 3484104 3649048 3879818 4636882 5473572 5819727 6955323 7759636 9273764 10947144 11639454 13910646 15519272 18547528 23278908 25218817 27821292 30139733 46557816 50437634 55642584 60279466 75656451 90419199 100875268 120558932 151312902 180838398 201750536 241117864 302625804 327844621 361676796 391816529 605251608 655689242 723353592 783633058 983533863 1175449587 1311378484 1567266116 1666381831 1967067726 2350899174 2622756968 3134532232 3332763662 3934135452 4701798348 4999145493 5235814391 6665527324 7868270904 9403596696 9998290986 10471628782 13331054648 15707443173 19996581972 20943257564 21662963803 31414886346 39993163944 41886515128 43325927606 62829772692 64988891409 68065587083 86651855212 125659545384 129977782818 136131174166 173303710424 204196761249 259955565636 272262348332 281618529439 408393522498 519911131272 544524696664 563237058878 816787044996 844855588317 884852632079 1126474117756 1633574089992 1689711176634 1769705264158 2252948235512 2654557896237 3379422353268 3539410528316 4497564561869 5309115792474 6758844706536 7078821056632 8995129123738 10618231584948 13492693685607 17990258247476 21236463169896 26985387371214 35980516494952 53970774742428 58468339304297 107941549484856 116936678608594 175405017912891 233873357217188 350810035825782 467746714434376 701620071651564 760088410955861 1403240143303128 1520176821911722 2280265232867583 3040353643823444 4560530465735166 6080707287646888 9121060931470332 18242121862940664
• Sum of all divisors σ(n): 49459091799600000
• Sum of proper divisors (its aliquot sum) s(n): 31216969936659336
• 18242121862940664 is an abundant number, because the sum of its proper divisors (31216969936659336) is greater than itself. Its abundance is 12974848073718672

Bases of 18242121862940664

• Binary: 1000000110011110001110011111001100101110000011111111000₂
• Hexadecimal: 0x40CF1CF99707F8
• Base-36: 4ZMAJ3BKDFC

Squares and roots of 18242121862940664

• 18242121862940664 squared (18242121862940664²) is 332775010062377761683277584760896
• 18242121862940664 cubed (18242121862940664³) is 6070522286499200822170460463597337590299875474944
• The square root of 18242121862940664 is 135063399.4202006749
• The cube root of 18242121862940664 is 263243.9815602019

Scales and comparisons

• 18,242,121,862,940,664 seconds is equal to 580,043,048 years, 33 weeks, 6 days, 23 hours, 4 minutes, 24 seconds.
• To count from 1 to 18,242,121,862,940,664 would take you about one billion, seven hundred forty million, one hundred twenty-nine thousand, one hundred forty-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 18242121862940664 cubic inches would be around 21937 feet tall.

Recreational maths with 18242121862940664

• 18242121862940664 backwards is 46604926812124281
• The number of decimal digits it has is: 17
• The sum of 18242121862940664's digits is 66
• More coming soon!