21012212842250

Names of 21012212842250

• Cardinal: 21012212842250 can be written as Twenty-one trillion, twelve billion, two hundred twelve million, eight hundred forty-two thousand, two hundred fifty.

Scientific notation

• Scientific notation: 2.101221284225 × 10¹³

Factors of 21012212842250

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 164

Divisors of 21012212842250

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 5 7 10 14 25 35 49 50 70 71 79 98 125 142 158 175 245 250 343 350 355 395 490 497 553 686 710 790 875 994 1106 1225 1715 1750 1775 1975 2401 2450 2485 2765 3430 3479 3550 3871 3950 4802 4970 5530 5609 6125 6241 6958 7742 8575 8875 9875 11218 12005 12250 12425 12482 13825 17150 17395 17750 19355 19750 24010 24353 24850 27097 27650 28045 31205 34790 38710 39263 42875 43687 48706 54194 56090 60025 62125 62410 69125 78526 85750 86975 87374 96775 120050 121765 124250 135485 138250 140225 156025 170471 173950 189679 193550 196315 218435 243530 270970 274841 280450 300125 305809 312050 340942 379358 392630 434875 436870 443111 483875 493039 549682 600250 608825 611618 677425 701125 780125 852355 869750 886222 948395 967750 981575 986078 1092175 1217650 1354850 1374205 1402250 1529045 1560250 1704710 1896790 1923887 1963150 2140663 2184350 2215555 2465195 2748410 3044125 3058090 3101777 3387125 3451273 3847774 4261775 4281326 4431110 4741975 4907875 4930390 5460875 6088250 6203554 6774250 6871025 6902546 7645225 8523550 9483950 9619435 9815750 10703315 10921750 11077775 12325975 13467209 13742050 14984641 15290450 15508885 17256365 19238870 21308875 21406630 21712439 22155550 23709875 24158911 24651950 26934418 29969282 31017770 34355125 34512730 35005769 38226125 42617750 43424878 47419750 48097175 48317822 53516575 55388875 61629875 67336045 68710250 70011538 74923205 76452250 77544425 86281825 96194350 107033150 108562195 110777750 120794555 123259750 134672090 149846410 151987073 155088850 169112377 172563650 175028845 217124390 240485875 241589110 245040383 267582875 303974146 336680225 338224754 350057690 374616025 387722125 431409125 480971750 490080766 535165750 542810975 603972775 673360450 749232050 759935365 775444250 845561885 862818250 875144225 1063909511 1085621950 1183786639 1207945550 1225201915 1519870730 1683401125 1691123770 1715282681 1750288450 1873080125 2127819022 2367573278 2450403830 2714054875 3019863875 3366802250 3430565362 3746160250 3799676825 4227809425 4375721125 5319547555 5428109750 5918933195 6039727750 6126009575 7599353650 8455618850 8576413405 8751442250 10639095110 11837866390 12006978767 12252019150 17152826810 18998384125 21139047125 24013957534 26597737775 29594665975 30630047875 37996768250 42278094250 42882067025 53195475550 59189331950 60034893835 61260095750 84048851369 85764134050 120069787670 132988688875 147973329875 168097702738 214410335125 265977377750 295946659750 300174469175 420244256845 428820670250 600348938350 840488513690 1500872345875 2101221284225 3001744691750 4202442568450 10506106421125 21012212842250
• Sum of all divisors σ(n): 47130843202560
• Sum of proper divisors (its aliquot sum) s(n): 26118630360310
• 21012212842250 is an abundant number, because the sum of its proper divisors (26118630360310) is greater than itself. Its abundance is 5106417518060

Bases of 21012212842250

• Binary: 100110001110001001001011110110111111100001010₂
• Hexadecimal: 0x131C497B7F0A
• Base-36: 7G4VL093E

Squares and roots of 21012212842250

• 21012212842250 squared (21012212842250²) is 441513088528015823385062500
• 21012212842250 cubed (21012212842250³) is 9277166988789835233042818129318890625000
• The square root of 21012212842250 is 4583908.0316090549
• The cube root of 21012212842250 is 27594.5890298521

Scales and comparisons

• 21,012,212,842,250 seconds is equal to 668,123 years, 19 weeks, 2 days, 21 hours, 30 minutes, 50 seconds.
• To count from 1 to 21,012,212,842,250 would take you about one million, six hundred seventy thousand, three hundred eight 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 21012212842250 cubic inches would be around 2299.5 feet tall.

Recreational maths with 21012212842250

• 21012212842250 backwards is 05224821221012
• The number of decimal digits it has is: 14
• The sum of 21012212842250's digits is 32
• More coming soon!