21135402188800

Names of 21135402188800

• Cardinal: 21135402188800 can be written as Twenty-one trillion, one hundred thirty-five billion, four hundred two million, one hundred eighty-eight thousand, eight hundred.

Scientific notation

• Scientific notation: 2.11354021888 × 10¹³

Factors of 21135402188800

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 19
• Sum of prime factors: 1509

Divisors of 21135402188800

• Number of divisors d(n): 270
• Complete list of divisors:
  1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 128 160 199 200 256 320 398 400 512 640 796 800 995 1024 1280 1303 1592 1600 1990 2048 2560 2606 3184 3200 3980 4096 4975 5120 5212 6368 6400 6515 7960 8192 9950 10240 10424 12736 12800 13030 15920 16384 19900 20480 20848 25472 25600 26060 31840 32575 39601 39800 40960 41696 50944 51200 52120 63680 65150 79202 79600 81920 83392 101888 102400 104240 127360 130300 158404 159200 166784 198005 203776 204800 208480 254720 259297 260600 316808 318400 333568 396010 407552 409600 416960 509440 518594 521200 633616 636800 667136 792020 815104 833920 990025 1018880 1037188 1042400 1267232 1273600 1296485 1334272 1584040 1630208 1667840 1980050 2037760 2074376 2084800 2534464 2547200 2592970 2668544 3168080 3260416 3335680 3960100 4075520 4148752 4169600 5068928 5094400 5185940 5337088 6336160 6482425 6671360 7920200 8151040 8297504 8339200 10137856 10188800 10371880 10674176 12672320 12964850 13342720 15840400 16302080 16595008 16678400 20275712 20377600 20743760 21348352 25344640 25929700 26685440 31680800 33190016 33356800 40551424 40755200 41487520 50689280 51600103 51859400 53370880 63361600 66380032 66713600 81102848 81510400 82975040 101378560 103200206 103718800 106741760 126723200 132760064 133427200 162205696 165950080 202757120 206400412 207437600 253446400 258000515 265520128 266854400 324411392 331900160 405514240 412800824 414875200 506892800 516001030 531040256 533708800 648822784 663800320 811028480 825601648 829750400 1013785600 1032002060 1062080512 1290002575 1327600640 1622056960 1651203296 1659500800 2027571200 2064004120 2124161024 2580005150 2655201280 3244113920 3302406592 3319001600 4055142400 4128008240 4248322048 5160010300 5310402560 6604813184 6638003200 8110284800 8256016480 10320020600 10620805120 13209626368 13276006400 16220569600 16512032960 20640041200 21241610240 26419252736 26552012800 33024065920 41280082400 52838505472 53104025600 66048131840 82560164800 105677010944 106208051200 132096263680 165120329600 211354021888 264192527360 330240659200 422708043776 528385054720 660481318400 845416087552 1056770109440 1320962636800 2113540218880 2641925273600 4227080437760 5283850547200 10567701094400 21135402188800
• Sum of all divisors σ(n): 52719338251608
• Sum of proper divisors (its aliquot sum) s(n): 31583936062808
• 21135402188800 is an abundant number, because the sum of its proper divisors (31583936062808) is greater than itself. Its abundance is 10448533874008

Bases of 21135402188800

• Binary: 100110011100011111000001000111100000000000000₂
• Hexadecimal: 0x1338F823C000
• Base-36: 7HPGWRH8G

Squares and roots of 21135402188800

• 21135402188800 squared (21135402188800²) is 446705225682331830845440000
• 21135402188800 cubed (21135402188800³) is 9441294604634754151138623930499072000000
• The square root of 21135402188800 is 4597325.5474025329
• The cube root of 21135402188800 is 27648.4107092053

Scales and comparisons

• 21,135,402,188,800 seconds is equal to 672,040 years, 21 weeks, 3 days, 12 hours, 26 minutes, 40 seconds.
• To count from 1 to 21,135,402,188,800 would take you about one million, six hundred eighty thousand, one hundred one 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 21135402188800 cubic inches would be around 2304 feet tall.

Recreational maths with 21135402188800

• 21135402188800 backwards is 00888120453112
• The number of decimal digits it has is: 14
• The sum of 21135402188800's digits is 43
• More coming soon!