21464588927316640

Names of 21464588927316640

• Cardinal: 21464588927316640 can be written as Twenty-one quadrillion, four hundred sixty-four trillion, five hundred eighty-eight billion, nine hundred twenty-seven million, three hundred sixteen thousand, six hundred forty.

Scientific notation

• Scientific notation: 2.146458892731664 × 10¹⁶

Factors of 21464588927316640

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 236391

Divisors of 21464588927316640

• Number of divisors d(n): 180
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 32 35 40 49 56 70 80 98 112 140 160 196 224 245 280 343 392 490 560 686 784 980 1120 1372 1568 1715 1960 2401 2744 3430 3920 4802 5488 6860 7840 9604 10976 12005 13720 19208 24010 27440 38416 48020 54880 76832 96040 192080 236377 384160 472754 945508 1181885 1654639 1891016 2363770 3309278 3782032 4727540 6618556 7564064 8273195 9455080 11582473 13237112 16546390 18910160 23164946 26474224 33092780 37820320 46329892 52948448 57912365 66185560 81077311 92659784 115824730 132371120 162154622 185319568 231649460 264742240 324309244 370639136 405386555 463298920 567541177 648618488 810773110 926597840 1135082354 1297236976 1621546220 1853195680 2270164708 2594473952 2837705885 3243092440 4540329416 5675411770 6486184880 9080658832 11350823540 12972369760 18161317664 22701647080 45403294160 55874086129 90806588320 111748172258 223496344516 279370430645 391118602903 446992689032 558740861290 782237205806 893985378064 1117481722580 1564474411612 1787970756128 1955593014515 2234963445160 2737830220321 3128948823224 3911186029030 4469926890320 5475660440642 6257897646448 7822372058060 8939853780640 10951320881284 12515795292896 13689151101605 15644744116120 19164811542247 21902641762568 27378302203210 31289488232240 38329623084494 43805283525136 54756604406420 62578976464480 76659246168988 87610567050272 95824057711235 109513208812840 134153680795729 153318492337976 191648115422470 219026417625680 268307361591458 306636984675952 383296230844940 438052835251360 536614723182916 613273969351904 670768403978645 766592461689880 1073229446365832 1341536807957290 1533184923379760 2146458892731664 2683073615914580 3066369846759520 4292917785463328 5366147231829160 10732294463658320 21464588927316640
• Sum of all divisors σ(n): 59158503435316446
• Sum of proper divisors (its aliquot sum) s(n): 37693914507999806
• 21464588927316640 is an abundant number, because the sum of its proper divisors (37693914507999806) is greater than itself. Its abundance is 16229325580683166

Bases of 21464588927316640

• Binary: 1001100010000011110111000001110010000110011001010100000₂
• Hexadecimal: 0x4C41EE0E4332A0
• Base-36: 5VCK80W27J4

Squares and roots of 21464588927316640

• 21464588927316640 squared (21464588927316640²) is 460728577818684106204790820889600
• 21464588927316640 cubed (21464588927316640³) is 9889349529945269776634753183806833414985682944000
• The square root of 21464588927316640 is 146507982.4696137165
• The cube root of 21464588927316640 is 277912.1443449655

Scales and comparisons

• 21,464,588,927,316,640 seconds is equal to 682,507,533 years, 28 weeks, 6 days, 7 hours, 30 minutes, 40 seconds.
• To count from 1 to 21,464,588,927,316,640 would take you about two billion, forty-seven million, five hundred twenty-two thousand, six hundred 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 21464588927316640 cubic inches would be around 23159.3 feet tall.

Recreational maths with 21464588927316640

• 21464588927316640 backwards is 04661372988546412
• The number of decimal digits it has is: 17
• The sum of 21464588927316640's digits is 76
• More coming soon!