21019648317419520

Names of 21019648317419520

• Cardinal: 21019648317419520 can be written as Twenty-one quadrillion, nineteen trillion, six hundred forty-eight billion, three hundred seventeen million, four hundred nineteen thousand, five hundred twenty.

Scientific notation

• Scientific notation: 2.101964831741952 × 10¹⁶

Factors of 21019648317419520

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 38012963547

Divisors of 21019648317419520

• Number of divisors d(n): 208
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 64 72 80 90 96 108 120 128 135 144 160 180 192 216 240 256 270 288 320 360 384 432 480 512 540 576 640 720 768 864 960 1024 1080 1152 1280 1440 1536 1728 1920 2048 2160 2304 2560 2880 3072 3456 3840 4096 4320 4608 5120 5760 6144 6912 7680 8640 9216 10240 11520 12288 13824 15360 17280 18432 20480 23040 27648 30720 34560 36864 46080 55296 61440 69120 92160 110592 138240 184320 276480 552960 38012963537 76025927074 114038890611 152051854148 190064817685 228077781222 304103708296 342116671833 380129635370 456155562444 570194453055 608207416592 684233343666 760259270740 912311124888 1026350015499 1140388906110 1216414833184 1368466687332 1520518541480 1710583359165 1824622249776 2052700030998 2280777812220 2432829666368 2736933374664 3041037082960 3421166718330 3649244499552 4105400061996 4561555624440 4865659332736 5131750077495 5473866749328 6082074165920 6842333436660 7298488999104 8210800123992 9123111248880 9731318665472 10263500154990 10947733498656 12164148331840 13684666873320 14596977998208 16421600247984 18246222497760 19462637330944 20527000309980 21895466997312 24328296663680 27369333746640 29193955996416 32843200495968 36492444995520 38925274661888 41054000619960 43790933994624 48656593327360 54738667493280 58387911992832 65686400991936 72984889991040 77850549323776 82108001239920 87581867989248 97313186654720 109477334986560 116775823985664 131372801983872 145969779982080 155701098647552 164216002479840 175163735978496 194626373309440 218954669973120 233551647971328 262745603967744 291939559964160 328432004959680 350327471956992 389252746618880 437909339946240 467103295942656 525491207935488 583879119928320 656864009919360 700654943913984 778505493237760 875818679892480 1050982415870976 1167758239856640 1313728019838720 1401309887827968 1751637359784960 2101964831741952 2335516479713280 2627456039677440 3503274719569920 4203929663483904 5254912079354880 7006549439139840 10509824158709760 21019648317419520
• Sum of all divisors σ(n): 74727404241541920
• Sum of proper divisors (its aliquot sum) s(n): 53707755924122400
• 21019648317419520 is an abundant number, because the sum of its proper divisors (53707755924122400) is greater than itself. Its abundance is 32688107606702880

Bases of 21019648317419520

• Binary: 1001010101011010100001000111111010000110111000000000000₂
• Hexadecimal: 0x4AAD423F437000
• Base-36: 5QYUD4OYDC0

Squares and roots of 21019648317419520

• 21019648317419520 squared (21019648317419520²) is 441825615387997258213071677030400
• 21019648317419520 cubed (21019648317419520³) is 9287019053083160552766579113257962747784593408000
• The square root of 21019648317419520 is 144981544.7476661423
• The cube root of 21019648317419520 is 275978.4356069737

Scales and comparisons

• 21,019,648,317,419,520 seconds is equal to 668,359,798 years, 23 weeks, 3 days, 19 hours, 12 minutes.
• To count from 1 to 21,019,648,317,419,520 would take you about two billion, five million, seventy-nine thousand, three hundred ninety-five 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 21019648317419520 cubic inches would be around 22998.2 feet tall.

Recreational maths with 21019648317419520

• 21019648317419520 backwards is 02591471384691012
• The number of decimal digits it has is: 17
• The sum of 21019648317419520's digits is 63
• More coming soon!