18121165056450000

Names of 18121165056450000

• Cardinal: 18121165056450000 can be written as Eighteen quadrillion, one hundred twenty-one trillion, one hundred sixty-five billion, fifty-six million, four hundred fifty thousand.

Scientific notation

• Scientific notation: 1.812116505645 × 10¹⁶

Factors of 18121165056450000

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 253265822

Divisors of 18121165056450000

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 27 30 36 40 45 48 50 53 54 60 72 75 80 90 100 106 108 120 125 135 144 150 159 180 200 212 216 225 240 250 265 270 300 318 360 375 400 424 432 450 477 500 530 540 600 625 636 675 720 750 795 848 900 954 1000 1060 1080 1125 1200 1250 1272 1325 1350 1431 1500 1590 1800 1875 1908 2000 2120 2160 2250 2385 2500 2544 2650 2700 2862 3000 3125 3180 3375 3600 3750 3816 3975 4240 4500 4770 5000 5300 5400 5625 5724 6000 6250 6360 6625 6750 7155 7500 7632 7950 9000 9375 9540 10000 10600 10800 11250 11448 11925 12500 12720 13250 13500 14310 15000 15900 16875 18000 18750 19080 19875 21200 22500 22896 23850 25000 26500 27000 28125 28620 30000 31800 33125 33750 35775 37500 38160 39750 45000 47700 50000 53000 54000 56250 57240 59625 63600 66250 67500 71550 75000 79500 84375 90000 95400 99375 106000 112500 114480 119250 132500 135000 143100 150000 159000 165625 168750 178875 190800 198750 225000 238500 265000 270000 286200 298125 318000 331250 337500 357750 397500 450000 477000 496875 530000 572400 596250 662500 675000 715500 795000 894375 954000 993750 1192500 1325000 1350000 1431000 1490625 1590000 1788750 1987500 2385000 2650000 2862000 2981250 3577500 3975000 4471875 4770000 5962500 7155000 7950000 8943750 11925000 14310000 17887500 23850000 35775000 71550000 253265759 506531518 759797277 1013063036 1266328795 1519594554 2026126072 2279391831 2532657590 3039189108 3798986385 4052252144 4558783662 5065315180 6078378216 6331643975 6838175493 7597972770 9117567324 10130630360 11396959155 12156756432 12663287950 13423085227 13676350986 15195945540 18235134648 18994931925 20261260720 22793918310 25326575900 26846170454 27352701972 30391891080 31658219875 34190877465 36470269296 37989863850 40269255681 45587836620 50653151800 53692340908 54705403944 56984795775 60783782160 63316439750 67115426135 68381754930 75979727700 80538511362 91175673240 94974659625 101306303600 107384681816 109410807888 113969591550 120807767043 126632879500 134230852270 136763509860 151959455400 158291099375 161077022724 170954387325 182351346480 189949319250 201346278405 214769363632 227939183100 241615534086 253265759000 268461704540 273527019720 284923978875 303918910800 316582198750 322154045448 335577130675 341908774650 362423301129 379898638500 402692556810 455878366200 474873298125 483231068172 506531518000 536923409080 547054039440 569847957750 604038835215 633164397500 644308090896 671154261350 683817549300 724846602258 759797277000 791455496875 805385113620 854771936625 911756732400 949746596250 966462136344 1006731392025 1073846818160 1139695915500 1208077670430 1266328795000 1342308522700 1367635098600 1424619894375 1449693204516 1519594554000 1582910993750 1610770227240 1677885653375 1709543873250 1812116505645 1899493192500 1932924272688 2013462784050 2279391831000 2374366490625 2416155340860 2532657590000 2684617045400 2735270197200 2849239788750 2899386409032 3020194176075 3165821987500 3221540454480 3355771306750 3419087746500 3624233011290 3798986385000 4026925568100 4273859683125 4558783662000 4748732981250 4832310681720 5033656960125 5369234090800 5698479577500 5798772818064 6040388352150 6331643975000 6711542613500 6838175493000 7123099471875 7248466022580 7597972770000 8053851136200 8389428266875 8547719366250 9060582528225 9497465962500 9664621363440 10067313920250 11396959155000 12080776704300 12663287950000 13423085227000 13676350986000 14246198943750 14496932045160 15100970880375 16107702272400 16778856533750 17095438732500 18121165056450 18994931925000 20134627840500 21369298415625 22793918310000 24161553408600 25168284800625 26846170454000 28492397887500 28993864090320 30201941760750 33557713067500 34190877465000 36242330112900 37989863850000 40269255681000 41947141334375 42738596831250 45302912641125 48323106817200 50336569601250 56984795775000 60403883521500 67115426135000 68381754930000 72484660225800 75504854401875 80538511362000 83894282668750 85477193662500 90605825282250 100673139202500 113969591550000 120807767043000 125841424003125 134230852270000 144969320451600 151009708803750 167788565337500 170954387325000 181211650564500 201346278405000 226514563205625 241615534086000 251682848006250 302019417607500 335577130675000 341908774650000 362423301129000 377524272009375 402692556810000 453029126411250 503365696012500 604038835215000 671154261350000 724846602258000 755048544018750 906058252822500 1006731392025000 1132572816028125 1208077670430000 1510097088037500 1812116505645000 2013462784050000 2265145632056250 3020194176075000 3624233011290000 4530291264112500 6040388352150000 9060582528225000 18121165056450000
• Sum of all divisors σ(n): 66240585681177600
• Sum of proper divisors (its aliquot sum) s(n): 48119420624727600
• 18121165056450000 is an abundant number, because the sum of its proper divisors (48119420624727600) is greater than itself. Its abundance is 29998255568277600

Bases of 18121165056450000

• Binary: 1000000011000010001101010000110000110110001110111010000₂
• Hexadecimal: 0x40611A861B1DD0
• Base-36: 4YFF0AVZRO0

Squares and roots of 18121165056450000

• 18121165056450000 squared (18121165056450000²) is 328376623003104531686602500000000
• 18121165056450000 cubed (18121165056450000³) is 5950566986118913099465903005621211125000000000000
• The square root of 18121165056450000 is 134614876.8021202031
• The cube root of 18121165056450000 is 262660.8661450777

Scales and comparisons

• 18,121,165,056,450,000 seconds is equal to 576,196,996 years, 18 weeks, 1 day, 21 hours.
• To count from 1 to 18,121,165,056,450,000 would take you about one billion, seven hundred twenty-eight million, five hundred ninety thousand, nine hundred eighty-nine 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 18121165056450000 cubic inches would be around 21888.4 feet tall.

Recreational maths with 18121165056450000

• 18121165056450000 backwards is 00005465056112181
• 18121165056450000 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 18121165056450000's digits is 45
• More coming soon!