20181988725129216

Names of 20181988725129216

• Cardinal: 20181988725129216 can be written as Twenty quadrillion, one hundred eighty-one trillion, nine hundred eighty-eight billion, seven hundred twenty-five million, one hundred twenty-nine thousand, two hundred sixteen.

Scientific notation

• Scientific notation: 2.0181988725129216 × 10¹⁶

Factors of 20181988725129216

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 23
• Sum of prime factors: 1946

Divisors of 20181988725129216

• Number of divisors d(n): 1152
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 23 24 32 36 41 46 48 64 69 72 82 92 96 123 128 138 144 164 184 192 207 246 256 276 288 328 368 369 384 414 492 512 529 552 576 656 736 738 768 828 943 984 1024 1058 1104 1152 1312 1472 1476 1536 1587 1656 1681 1877 1886 1968 2048 2116 2208 2304 2624 2829 2944 2952 3072 3174 3312 3362 3754 3772 3936 4096 4232 4416 4608 4761 5043 5248 5631 5658 5888 5904 6144 6348 6624 6724 7508 7544 7872 8192 8464 8487 8832 9216 9522 10086 10496 11262 11316 11776 11808 12288 12696 13248 13448 15016 15088 15129 15744 16384 16893 16928 16974 17664 18432 19044 20172 20992 21689 22524 22632 23552 23616 24576 25392 26496 26896 30032 30176 30258 31488 32768 33786 33856 33948 35328 36864 38088 38663 40344 41984 43171 43378 45048 45264 47104 47232 49152 50784 52992 53792 60064 60352 60516 62976 65067 67572 67712 67896 68921 70656 73728 76176 76957 77326 80688 83968 86342 86756 90096 90528 94208 94464 98304 101568 105984 107584 115989 120128 120704 121032 125952 129513 130134 135144 135424 135792 137842 141312 147456 152352 153914 154652 161376 167936 172684 173512 180192 181056 188416 188928 195201 203136 206763 211968 215168 230871 231978 240256 241408 242064 251904 259026 260268 270288 270848 271584 275684 282624 294912 304704 307828 309304 322752 335872 345368 347024 347967 360384 362112 376832 377856 388539 390402 406272 413526 423936 430336 461742 463956 480512 482816 484128 503808 518052 520536 540576 541696 543168 551368 565248 609408 615656 618608 620289 645504 671744 690736 692613 694048 695934 720768 724224 753664 755712 777078 780804 812544 827052 847872 860672 889249 923484 927912 961024 965632 968256 992933 1007616 1036104 1041072 1081152 1083392 1086336 1102736 1130496 1218816 1231312 1237216 1240578 1291008 1343488 1381472 1385226 1388096 1391868 1441536 1448448 1511424 1554156 1561608 1585183 1625088 1654104 1695744 1721344 1770011 1778498 1846968 1855824 1922048 1931264 1936512 1985866 2015232 2072208 2082144 2162304 2166784 2172672 2205472 2260992 2437632 2462624 2474432 2481156 2582016 2667747 2762944 2770452 2776192 2783736 2883072 2896896 2978799 3022848 3108312 3123216 3155237 3170366 3250176 3308208 3391488 3442688 3540022 3556996 3693936 3711648 3844096 3862528 3873024 3971732 4030464 4144416 4164288 4324608 4333568 4345344 4410944 4755549 4875264 4925248 4948864 4962312 5164032 5310033 5335494 5525888 5540904 5552384 5567472 5766144 5793792 5957598 6045696 6216624 6246432 6310474 6340732 6500352 6616416 6782976 6885376 7080044 7113992 7387872 7423296 7688192 7725056 7746048 7943464 8003241 8288832 8328576 8649216 8667136 8690688 8821888 8936397 9465711 9511098 9750528 9850496 9897728 9924624 10328064 10620066 10670988 11051776 11081808 11104768 11134944 11532288 11587584 11915196 12091392 12433248 12492864 12620948 12681464 13000704 13232832 13770752 14160088 14227984 14266647 14775744 14846592 15376384 15450112 15492096 15886928 15930099 16006482 16577664 16657152 17298432 17334272 17381376 17643776 17872794 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2718736896 2731772928 2836942848 2850545664 2931138216 2975388491 3050290176 3104753208 3182911488 3198173184 3230962688 3246454784 3338240746 3387604992 3483381648 3500084064 3624982528 3634833024 3642363904 3652261632 3782590464 3800727552 3908184288 4067053568 4078105344 4097659392 4139670944 4243881984 4575435264 4644508864 4657129812 4666778752 4846444032 4869682176 5007361119 5081407488 5210912384 5225072472 5250126096 5437473792 5463545856 5673885696 5701091328 5862276432 5950776982 6100580352 6209506416 6365822976 6396346368 6461925376 6492909568 6676481492 6775209984 6966763296 7000168128 7249965056 7269666048 7284727808 7304523264 7565180928 7816368576 8134107136 8156210688 8195318784 8279341888 8926165473 9150870528 9289017728 9314259624 9333557504 9692888064 9739364352 10014722238 10162814976 10421824768 10450144944 10500252192 10874947584 10927091712 11347771392 11402182656 11724552864 11901553964 12201160704 12419012832 12731645952 12923850752 12985819136 13352962984 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74668460032 77543104512 77914914816 80117777904 83374598144 83601159552 84002017536 86999580672 87416733696 93796422912 95212431712 97609285632 99352102656 103390806016 106823703872 107113985676 111468212736 112002690048 116314656768 116872372224 120176666856 125061897216 130499371008 131125100544 132469470208 136867870586 142818647568 146413928448 148624283648 149028153984 149336920064 155086209024 155829829632 160235555808 166749196288 167202319104 168004035072 173999161344 187592845824 190424863424 198704205312 205301805879 213647407744 214227971352 222936425472 224005380096 232629313536 233744744448 240353333712 250123794432 260998742016 262250201088 264938940416 273735741172 285637295136 292827856896 297248567296 298056307968 298673840128 310172418048 320471111616 333498392576 334404638208 336008070144 375185691648 380849726848 397408410624 410603611758 427294815488 428455942704 445872850944 448010760192 465258627072 467489488896 480706667424 500247588864 521997484032 529877880832 547471482344 571274590272 594497134592 596112615936 597347680256 615905417637 640942223232 666996785152 668809276416 672016140288 750371383296 761699453696 794816821248 821207223516 854589630976 856911885408 891745701888 896021520384 930517254144 961413334848 1000495177728 1059755761664 1094942964688 1142549180544 1188994269184 1192225231872 1194695360512 1231810835274 1281884446464 1333993570304 1337618552832 1344032280576 1500742766592 1523398907392 1589633642496 1642414447032 1709179261952 1713823770816 1783491403776 1792043040768 1922826669696 2000990355456 2119511523328 2189885929376 2285098361088 2377988538368 2384450463744 2463621670548 2563768892928 2675237105664 2688064561152 3001485533184 3046797814784 3179267284992 3284828894064 3418358523904 3427647541632 3566982807552 3584086081536 3845653339392 4001980710912 4239023046656 4379771858752 4570196722176 4768900927488 4927243341096 5127537785856 5350474211328 5376129122304 6002971066368 6093595629568 6358534569984 6569657788128 6836717047808 6855295083264 7133965615104 7691306678784 8759543717504 9140393444352 9537801854976 9854486682192 10255075571712 10700948422656 10752258244608 12005942132736 12187191259136 12717069139968 13139315576256 13673434095616 13710590166528 15382613357568 17519087435008 18280786888704 19075603709952 19708973364384 20510151143424 21401896845312 24374382518272 26278631152512 27346868191232 27421180333056 30765226715136 35038174870016 36561573777408 38151207419904 39417946728768 41020302286848 48748765036544 52557262305024 54693736382464 54842360666112 61530453430272 70076349740032 73123147554816 78835893457536 82040604573696 97497530073088 105114524610048 109684721332224 123060906860544 140152699480064 146246295109632 157671786915072 164081209147392 210229049220096 219369442664448 246121813721088 280305398960128 292492590219264 315343573830144 420458098440192 438738885328896 492243627442176 560610797920256 630687147660288 840916196880384 877477770657792 1121221595840512 1261374295320576 1681832393760768 2242443191681024 2522748590641152 3363664787521536 5045497181282304 6727329575043072 10090994362564608 20181988725129216
• Sum of all divisors σ(n): 62504697424576680
• Sum of proper divisors (its aliquot sum) s(n): 42322708699447464
• 20181988725129216 is an abundant number, because the sum of its proper divisors (42322708699447464) is greater than itself. Its abundance is 22140719974318248

Bases of 20181988725129216

• Binary: 1000111101100110110100101101100110100101000000000000000₂
• Hexadecimal: 0x47B3696CD28000
• Base-36: 5IPX1MJFNK0

Squares and roots of 20181988725129216

• 20181988725129216 squared (20181988725129216²) is 407312668901242797335195896774656
• 20181988725129216 cubed (20181988725129216³) is 8220379691367171588131126623672835930751233949696
• The square root of 20181988725129216 is 142063326.4608752431
• The cube root of 20181988725129216 is 272262.5992871347

Scales and comparisons

• 20,181,988,725,129,216 seconds is equal to 641,724,814 years, 24 weeks, 2 days, 18 hours, 33 minutes, 36 seconds.
• To count from 1 to 20,181,988,725,129,216 would take you about one billion, nine hundred twenty-five million, one hundred seventy-four thousand, four hundred forty-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 20181988725129216 cubic inches would be around 22688.5 feet tall.

Recreational maths with 20181988725129216

• 20181988725129216 backwards is 61292152788918102
• 20181988725129216 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 20181988725129216's digits is 72
• More coming soon!