21312823104258855616

Names of 21312823104258855616

• Cardinal: 21312823104258855616 can be written as Twenty-one quintillion, three hundred twelve quadrillion, eight hundred twenty-three trillion, one hundred four billion, two hundred fifty-eight million, eight hundred fifty-five thousand, six hundred sixteen.

Scientific notation

• Scientific notation: 2.1312823104258855616 × 10¹⁹

Factors of 21312823104258855616

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 212

Divisors of 21312823104258855616

• Number of divisors d(n): 196
• Complete list of divisors:
  1 2 4 8 16 19 32 38 64 76 152 191 304 361 382 608 722 764 1216 1444 1528 2888 3056 3629 5776 6112 6859 7258 11552 12224 13718 14516 23104 27436 29032 36481 54872 58064 68951 72962 109744 116128 137902 145924 219488 232256 275804 291848 438976 551608 583696 693139 1103216 1167392 1310069 1386278 2206432 2334784 2620138 2772556 4412864 5240276 5545112 6967871 10480552 11090224 13169641 13935742 20961104 22180448 26339282 27871484 41922208 44360896 52678564 55742968 83844416 105357128 111485936 132389549 210714256 222971872 250223179 264779098 421428512 445943744 500446358 529558196 842857024 1000892716 1059116392 1330863361 2001785432 2118232784 2515401431 2661726722 4003570864 4236465568 5030802862 5323453444 8007141728 8472931136 10061605724 10646906888 16014283456 20123211448 21293813776 25286403859 40246422896 42587627552 47792627189 50572807718 80492845792 85175255104 95585254378 101145615436 160985691584 191170508756 202291230872 254194901951 382341017512 404582461744 480441673321 508389803902 764682035024 809164923488 960883346642 1016779607804 1529364070048 1618329846976 1921766693284 2033559215608 3058728140096 3843533386568 4067118431216 4829703137069 7687066773136 8134236862432 9128391793099 9659406274138 15374133546272 16268473724864 18256783586198 19318812548276 30748267092544 36513567172396 38637625096552 48551226272641 73027134344792 77275250193104 91764359604311 97102452545282 146054268689584 154550500386208 183528719208622 194204905090564 292108537379168 309101000772416 367057438417244 388409810181128 584217074758336 734114876834488 776819620362256 922473299180179 1468229753668976 1553639240724512 1743522832481909 1844946598360358 2936459507337952 3107278481449024 3487045664963818 3689893196720716 5872919014675904 6974091329927636 7379786393441432 13948182659855272 14759572786882864 17526992684423401 27896365319710544 29519145573765728 35053985368846802 55792730639421088 59038291147531456 70107970737693604 111585461278842176 140215941475387208 280431882950774416 333012861004044619 560863765901548832 666025722008089238 1121727531803097664 1332051444016178476 2664102888032356952 5328205776064713904 10656411552129427808 21312823104258855616
• Sum of all divisors σ(n): 44876838804395141560
• Sum of proper divisors (its aliquot sum) s(n): 23564015700136285944
• 21312823104258855616 is an abundant number, because the sum of its proper divisors (23564015700136285944) is greater than itself. Its abundance is 2251192595877430328

Bases of 21312823104258855616

• Binary: 10010011111000110010110111011000101110010000101100101001011000000₂
• Hexadecimal: 0x127C65BB1721652C0
• Base-36: 4HXAL944I6XTS

Squares and roots of 21312823104258855616

• 21312823104258855616 squared (21312823104258855616²) is 454236428673430082722636910357934739456
• 21312823104258855616 cubed (21312823104258855616³) is 9681060651827110388533547973775867559377097168893682384896
• The square root of 21312823104258855616 is 4616581322.1754098779
• 21312823104258855616 is a perfect cube number. Its cube root is 2772556
• Being both a perfect square and a perfect cube, 21312823104258855616 is also a perfect sixth number.

Scales and comparisons

• 21,312,823,104,258,855,616 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 21,312,823,104,258,855,616 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and nine 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 21312823104258855616 cubic inches would be around 231046.3 feet tall.

Recreational maths with 21312823104258855616

• 21312823104258855616 backwards is 61655885240132821312
• The number of decimal digits it has is: 20
• The sum of 21312823104258855616's digits is 73
• More coming soon!