21228555835472960

Names of 21228555835472960

• Cardinal: 21228555835472960 can be written as Twenty-one quadrillion, two hundred twenty-eight trillion, five hundred fifty-five billion, eight hundred thirty-five million, four hundred seventy-two thousand, nine hundred sixty.

Scientific notation

• Scientific notation: 2.122855583547296 × 10¹⁶

Factors of 21228555835472960

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 74724

Divisors of 21228555835472960

• Number of divisors d(n): 448
• Complete list of divisors:
  1 2 4 5 8 10 13 16 20 26 32 37 40 52 64 65 74 80 104 127 130 148 160 185 208 254 260 296 320 370 416 481 508 520 592 635 740 832 962 1016 1040 1184 1270 1480 1651 1924 2032 2080 2368 2405 2540 2960 3302 3848 4064 4160 4699 4810 5080 5920 6604 7696 8128 8255 9398 9620 10160 11840 13208 15392 16510 18796 19240 19861 20320 23495 26416 30784 33020 37592 38480 39722 40640 46990 52832 54679 61087 66040 75184 76960 79444 93980 99305 105664 109358 122174 132080 150368 153920 158888 187960 198610 218716 244348 258193 264160 273395 300736 305435 317776 375920 397220 437432 488696 516386 528320 546790 610870 635552 710827 734857 751840 794440 874864 977392 1032772 1093580 1221740 1271104 1290965 1421654 1469714 1503680 1588880 1749728 1954784 2023123 2065544 2187160 2443480 2522347 2581930 2843308 2939428 3177760 3499456 3554135 3674285 3909568 4046246 4131088 4374320 4886960 5044694 5163860 5686616 5878856 6355520 6944233 7108270 7348570 8092492 8262176 8748640 9553141 9773920 10089388 10115615 10327720 11373232 11757712 12611735 13888466 14216540 14697140 16184984 16524352 17497280 19106282 19547840 20178776 20231230 20655440 22746464 23515424 25223470 26300599 27776932 28433080 29394280 32369968 32790511 34721165 38212564 40357552 40462460 41310880 45492928 47030848 47765705 50446940 52601198 55553864 56866160 58788560 64739936 65581022 69442330 76425128 80715104 80924920 82621760 90275029 93326839 95531410 100893880 105202396 111107728 113732320 117577120 129479872 131162044 131502995 138884660 152850256 161430208 161849840 163952555 180550058 186653678 191062820 201787760 210404792 222215456 227464640 235154240 256936621 262324088 263005990 277769320 305700512 323699680 327905110 361100116 373307356 382125640 403575520 420809584 444430912 451375145 466634195 513873242 524648176 526011980 555538640 611401024 647399360 655810220 722200232 746614712 764251280 807151040 841619168 902750290 933268390 1027746484 1049296352 1052023960 1085979619 1111077280 1213248907 1284683105 1311620440 1444400464 1493229424 1528502560 1683238336 1805500580 1866536780 2055492968 2098592704 2104047920 2171959238 2222154560 2426497814 2569366210 2623240880 2888800928 2986458848 3057005120 3340176073 3611001160 3733073560 4110985936 4208095840 4343918476 4852995628 5138732420 5246481760 5429898095 5777601856 5972917696 6066244535 6680352146 7222002320 7466147120 8221971872 8416191680 8687836952 9705991256 10277464840 10492963520 10859796190 12132489070 13360704292 14117735047 14444004640 14932294240 16443943744 16700880365 17375673904 19411982512 20554929680 21719592380 24264978140 26721408584 28235470094 28888009280 29864588480 33401760730 34751347808 38823965024 40181245903 41109859360 43439184760 48529956280 53442817168 56470940188 66803521460 69502695616 70588675235 77647930048 80362491806 82219718720 86878369520 97059912560 106885634336 112941880376 133607042920 137919411613 141177350470 160724983612 173756739040 194119825120 200906229515 213771268672 225883760752 267214085840 275838823226 282354700940 321449967224 347513478080 388239650240 401812459030 451767521504 522356196739 534428171680 551677646452 564709401880 642899934448 689597058065 803624918060 903535043008 1044712393478 1068856343360 1103355292904 1129418803760 1285799868896 1379194116130 1607249836120 1792952350969 2089424786956 2206710585808 2258837607520 2571599737792 2611780983695 2758388232260 3214499672240 3585904701938 4178849573912 4413421171616 4517675215040 5103018229681 5223561967390 5516776464520 6428999344480 7171809403876 8357699147824 8826842343232 8964761754845 10206036459362 10447123934780 11033552929040 12857998688960 14343618807752 16715398295648 17929523509690 20412072918724 20894247869560 22067105858080 25515091148405 28687237615504 33430796591296 35859047019380 40824145837448 41788495739120 44134211716160 51030182296810 57374475231008 66339236985853 71718094038760 81648291674896 83576991478240 102060364593620 114748950462016 132678473971706 143436188077520 163296583349792 167153982956480 204120729187240 265356947943412 286872376155040 326593166699584 331696184929265 408241458374480 530713895886824 573744752310080 663392369858530 816482916748960 1061427791773648 1326784739717060 1632965833497920 2122855583547296 2653569479434120 4245711167094592 5307138958868240 10614277917736480 21228555835472960
• Sum of all divisors σ(n): 56354429388472320
• Sum of proper divisors (its aliquot sum) s(n): 35125873552999360
• 21228555835472960 is an abundant number, because the sum of its proper divisors (35125873552999360) is greater than itself. Its abundance is 13897317717526400

Bases of 21228555835472960

• Binary: 1001011011010110100001001010001101010101111110001000000₂
• Hexadecimal: 0x4B6B4251AAFC40
• Base-36: 5T0W7X3DDFK

Squares and roots of 21228555835472960

• 21228555835472960 squared (21228555835472960²) is 450651582859793062760666891161600
• 21228555835472960 cubed (21228555835472960³) is 9566682289083386181989844067823178620779790336000
• The square root of 21228555835472960 is 145700225.9280093225
• The cube root of 21228555835472960 is 276889.7102298087

Scales and comparisons

• 21,228,555,835,472,960 seconds is equal to 675,002,411 years, 17 weeks, 2 days, 9 hours, 9 minutes, 20 seconds.
• To count from 1 to 21,228,555,835,472,960 would take you about two billion, twenty-five million, seven 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 21228555835472960 cubic inches would be around 23074.1 feet tall.

Recreational maths with 21228555835472960

• 21228555835472960 backwards is 06927453855582212
• 21228555835472960 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 21228555835472960's digits is 74
• More coming soon!