21015426597780160

Names of 21015426597780160

• Cardinal: 21015426597780160 can be written as Twenty-one quadrillion, fifteen trillion, four hundred twenty-six billion, five hundred ninety-seven million, seven hundred eighty thousand, one hundred sixty.

Scientific notation

• Scientific notation: 2.101542659778016 × 10¹⁶

Factors of 21015426597780160

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 56358

Divisors of 21015426597780160

• Number of divisors d(n): 448
• Complete list of divisors:
  1 2 4 5 7 8 10 13 14 16 20 26 28 32 35 40 52 56 64 65 70 80 91 104 112 130 140 160 182 208 224 260 280 320 364 416 448 455 520 560 728 832 910 1040 1120 1223 1456 1820 2080 2240 2446 2912 3640 4160 4892 5824 6115 7280 8561 9784 12230 14549 14560 15899 17122 19568 24460 29098 29120 31798 34244 39136 40559 42805 48920 58196 63596 68488 72745 78272 79495 81118 85610 97840 101843 111293 116392 127192 136976 145490 158990 162236 171220 189137 195680 202795 203686 222586 232784 254384 273952 283913 290980 317980 324472 342440 378274 391360 405590 407372 445172 465568 508768 509215 527267 547904 556465 567826 581960 635960 648944 684880 756548 811180 814744 890344 931136 945685 1017536 1018430 1054534 1112930 1135652 1163920 1271920 1297888 1323959 1369760 1419565 1513096 1622360 1629488 1780688 1891370 2036860 2109068 2225860 2271304 2327840 2543840 2595776 2636335 2647918 2739520 2839130 3026192 3244720 3258976 3561376 3690869 3782740 4073720 4218136 4451720 4542608 4655680 5087680 5272670 5295836 5678260 6052384 6489440 6517952 6619795 7122752 7381738 7565480 8147440 8436272 8903440 9085216 10545340 10591672 11356520 12104768 12978880 13239590 14763476 15130960 16294880 16872544 17793427 17806880 18170432 18454345 21090680 21183344 22713040 26479180 29526952 30261920 32589760 33745088 35586854 35613760 36908690 42181360 42366688 45426080 49603657 52958360 59053904 60523840 71173708 73817380 84362720 84733376 88967135 90852160 99207314 105916720 118107808 124553989 142347416 147634760 168725440 177934270 198414628 211833440 231314551 236215616 248018285 249107978 284694832 295269520 347225599 355868540 396829256 423666880 462629102 496036570 498215956 569389664 590092891 590539040 622769945 644847541 694451198 711737080 793658512 925258204 992073140 996431912 1138779328 1156572755 1180185782 1181078080 1245539890 1289695082 1388902396 1423474160 1587317024 1619201857 1736127995 1850516408 1984146280 1992863824 2313145510 2360371564 2491079780 2579390164 2777804792 2846948320 2950464455 3174634048 3224237705 3238403714 3472255990 3701032816 3968292560 3985727648 4130650237 4513932787 4626291020 4720743128 4982159560 5158780328 5555609584 5693896640 5900928910 6448475410 6476807428 6944511980 7402065632 7671207583 7936585120 7971455296 8096009285 8261300474 9027865574 9252582040 9441486256 9964319120 10317560656 11111219168 11801857820 12896950820 12953614856 13889023960 14804131264 15342415166 15873170240 16192018570 16522600948 18055731148 18505164080 18882972512 19928638240 20635121312 20653251185 22222438336 22569663935 23603715640 25793901640 25907229712 27778047920 30684830332 32384037140 33045201896 36111462296 37010328160 37765945024 38356037915 39857276480 41270242624 41306502370 45139327870 47207431280 51587803280 51814459424 53698453081 55556095840 61369660664 64768074280 66090403792 72222924592 74020656320 76712075830 82613004740 90278655740 94414862560 103175606560 103628918848 107396906162 111112191680 122739321328 129536148560 132180807584 144445849184 153424151660 165226009480 180557311480 188829725120 206351213120 214793812324 245478642656 259072297120 264361615168 268492265405 288891698368 306848303320 330452018960 361114622960 429587624648 490957285312 518144594240 536984530810 613696606640 660904037920 721683605693 722229245920 859175249296 1073969061620 1227393213280 1321808075840 1443367211386 1444458491840 1718350498592 2147938123240 2454786426560 2886734422772 3436700997184 3608418028465 4295876246480 5051785239851 5773468845544 7216836056930 8591752492960 9381886874009 10103570479702 11546937691088 14433672113860 17183504985920 18763773748018 20207140959404 23093875382176 25258926199255 28867344227720 37527547496036 40414281918808 46187750764352 46909434370045 50517852398510 57734688455440 65673208118063 75055094992072 80828563837616 93818868740090 101035704797020 115469376910880 131346416236126 150110189984144 161657127675232 187637737480180 202071409594040 230938753821760 262692832472252 300220379968288 323314255350464 328366040590315 375275474960360 404142819188080 525385664944504 600440759936576 656732081180630 750550949920720 808285638376160 1050771329889008 1313464162361260 1501101899841440 1616571276752320 2101542659778016 2626928324722520 3002203799682880 4203085319556032 5253856649445040 10507713298890080 21015426597780160
• Sum of all divisors σ(n): 61647483276288000
• Sum of proper divisors (its aliquot sum) s(n): 40632056678507840
• 21015426597780160 is an abundant number, because the sum of its proper divisors (40632056678507840) is greater than itself. Its abundance is 19616630080727680

Bases of 21015426597780160

• Binary: 1001010101010010110101101001101001010011111101011000000₂
• Hexadecimal: 0x4AA96B4D29FAC0
• Base-36: 5QXCHP62ZLS

Squares and roots of 21015426597780160

• 21015426597780160 squared (21015426597780160²) is 441648155086685790837439689625600
• 21015426597780160 cubed (21015426597780160³) is 9281424385269273634019537743320996160341508096000
• The square root of 21015426597780160 is 144966984.5095087849
• The cube root of 21015426597780160 is 275959.9579493867

Scales and comparisons

• 21,015,426,597,780,160 seconds is equal to 668,225,560 years, 42 weeks, 6 days, 23 hours, 22 minutes, 40 seconds.
• To count from 1 to 21,015,426,597,780,160 would take you about two billion, four million, six hundred seventy-six thousand, six hundred eighty-two 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 21015426597780160 cubic inches would be around 22996.7 feet tall.

Recreational maths with 21015426597780160

• 21015426597780160 backwards is 06108779562451012
• 21015426597780160 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 21015426597780160's digits is 64
• More coming soon!