21405957603840000

Names of 21405957603840000

• Cardinal: 21405957603840000 can be written as Twenty-one quadrillion, four hundred five trillion, nine hundred fifty-seven billion, six hundred three million, eight hundred forty thousand.

Scientific notation

• Scientific notation: 2.140595760384 × 10¹⁶

Factors of 21405957603840000

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 20
• Sum of prime factors: 62032

Divisors of 21405957603840000

• Number of divisors d(n): 780
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 30 32 36 40 45 48 50 60 64 72 75 80 90 96 100 120 125 128 144 150 160 180 192 200 225 240 250 256 288 300 320 360 375 384 400 450 480 500 512 576 600 625 640 720 750 768 800 900 960 1000 1024 1125 1152 1200 1250 1280 1440 1500 1536 1600 1800 1875 1920 2000 2048 2250 2304 2400 2500 2560 2880 3000 3072 3200 3600 3750 3840 4000 4096 4500 4608 4800 5000 5120 5625 5760 6000 6144 6400 7200 7500 7680 8000 9000 9216 9600 10000 10240 11250 11520 12000 12288 12800 14400 15000 15360 16000 18000 18432 19200 20000 20480 22500 23040 24000 25301 25600 28800 30000 30720 32000 36000 36721 36864 38400 40000 45000 46080 48000 50602 51200 57600 60000 61440 64000 72000 73442 75903 76800 80000 90000 92160 96000 101204 102400 110163 115200 120000 126505 128000 144000 146884 151806 153600 160000 180000 183605 184320 192000 202408 220326 227709 230400 240000 253010 256000 288000 293768 303612 307200 320000 330489 360000 367210 379515 384000 404816 440652 455418 460800 480000 506020 512000 550815 576000 587536 607224 632525 640000 660978 720000 734420 759030 768000 809632 881304 910836 918025 921600 960000 1012040 1101630 1138545 1152000 1175072 1214448 1265050 1280000 1321956 1440000 1468840 1518060 1536000 1619264 1652445 1762608 1821672 1836050 1897575 1920000 2024080 2203260 2277090 2304000 2350144 2428896 2530100 2560000 2643912 2754075 2880000 2937680 3036120 3162625 3238528 3304890 3525216 3643344 3672100 3795150 3840000 4048160 4406520 4554180 4590125 4608000 4700288 4857792 5060200 5287824 5508150 5692725 5760000 5875360 6072240 6325250 6477056 6609780 7050432 7286688 7344200 7590300 7680000 8096320 8262225 8813040 9108360 9180250 9400576 9487875 9715584 10120400 10575648 11016300 11385450 11520000 11750720 12144480 12650500 12954112 13219560 13770375 14100864 14573376 14688400 15180600 15813125 16192640 16524450 17626080 18216720 18360500 18801152 18975750 19431168 20240800 21151296 22032600 22770900 22950625 23040000 23501440 24288960 25301000 25908224 26439120 27540750 28201728 28463625 29146752 29376800 30361200 31626250 32385280 33048900 35252160 36433440 36721000 37602304 37951500 38862336 40481600 41311125 42302592 44065200 45541800 45901250 47002880 47439375 48577920 50602000 51816448 52878240 55081500 56403456 56927250 58293504 58753600 60722400 63252500 64770560 66097800 68851875 70504320 72866880 73442000 75204608 75903000 77724672 80963200 82622250 84605184 88130400 91083600 91802500 94005760 94878750 97155840 101204000 103632896 105756480 110163000 112806912 113854500 116587008 117507200 121444800 126505000 129541120 132195600 137703750 141008640 142318125 145733760 146884000 150409216 151806000 155449344 161926400 165244500 169210368 176260800 182167200 183605000 188011520 189757500 194311680 202408000 206555625 211512960 220326000 225613824 227709000 233174016 235014400 242889600 253010000 259082240 264391200 275407500 282017280 284636250 291467520 293768000 303612000 310898688 323852800 330489000 338420736 352521600 364334400 367210000 376023040 379515000 388623360 404816000 413111250 423025920 440652000 451227648 455418000 466348032 470028800 485779200 506020000 518164480 528782400 550815000 564034560 569272500 582935040 587536000 607224000 647705600 660978000 676841472 705043200 728668800 734420000 752046080 759030000 777246720 809632000 826222500 846051840 881304000 910836000 929078021 932696064 940057600 971558400 1012040000 1057564800 1101630000 1128069120 1138545000 1165870080 1175072000 1214448000 1295411200 1321956000 1353682944 1410086400 1457337600 1468840000 1518060000 1554493440 1619264000 1652445000 1692103680 1762608000 1821672000 1858156042 1880115200 1943116800 2024080000 2115129600 2203260000 2256138240 2277090000 2331740160 2350144000 2428896000 2590822400 2643912000 2787234063 2820172800 2914675200 2937680000 3036120000 3238528000 3304890000 3384207360 3525216000 3643344000 3716312084 3760230400 3886233600 4048160000 4230259200 4406520000 4554180000 4645390105 4663480320 4700288000 4857792000 5287824000 5574468126 5640345600 5829350400 5875360000 6072240000 6477056000 6609780000 6768414720 7050432000 7286688000 7432624168 7772467200 8096320000 8361702189 8460518400 8813040000 9108360000 9290780210 9400576000 9715584000 10575648000 11148936252 11280691200 11658700800 11750720000 12144480000 12954112000 13219560000 13936170315 14100864000 14573376000 14865248336 16192640000 16723404378 16921036800 17626080000 18216720000 18581560420 18801152000 19431168000 21151296000 22297872504 23226950525 23317401600 23501440000 24288960000 26439120000 27872340630 28201728000 29146752000 29730496672 32385280000 33446808756 33842073600 35252160000 36433440000 37163120840 38862336000 41808510945 42302592000 44595745008 46453901050 47002880000 48577920000 52878240000 55744681260 56403456000 58293504000 59460993344 64770560000 66893617512 69680851575 70504320000 72866880000 74326241680 83617021890 84605184000 89191490016 92907802100 94005760000 97155840000 105756480000 111489362520 116134752625 116587008000 118921986688 133787235024 139361703150 141008640000 145733760000 148652483360 167234043780 169210368000 178382980032 185815604200 194311680000 209042554725 211512960000 222978725040 232269505250 237843973376 267574470048 278723406300 282017280000 291467520000 297304966720 334468087560 348404257875 356765960064 371631208400 418085109450 423025920000 445957450080 464539010500 475687946752 535148940096 557446812600 580673763125 582935040000 594609933440 668936175120 696808515750 713531920128 743262416800 836170218900 846051840000 891914900160 929078021000 951375893504 1045212773625 1070297880192 1114893625200 1161347526250 1189219866880 1337872350240 1393617031500 1427063840256 1486524833600 1672340437800 1742021289375 1783829800320 1858156042000 1902751787008 2090425547250 2140595760384 2229787250400 2322695052500 2378439733760 2675744700480 2787234063000 2854127680512 2973049667200 3344680875600 3484042578750 3567659600640 3716312084000 3805503574016 4180851094500 4281191520768 4459574500800 4645390105000 4756879467520 5226063868125 5351489400960 5574468126000 5708255361024 5946099334400 6689361751200 6968085157500 7135319201280 7432624168000 8361702189000 8562383041536 8919149001600 9290780210000 9513758935040 10452127736250 10702978801920 11148936252000 11416510722048 11892198668800 13378723502400 13936170315000 14270638402560 14865248336000 16723404378000 17124766083072 17838298003200 18581560420000 19027517870080 20904255472500 21405957603840 22297872504000 23784397337600 26757447004800 27872340630000 28541276805120 29730496672000 33446808756000 34249532166144 35676596006400 37163120840000 41808510945000 42811915207680 44595745008000 47568794675200 53514894009600 55744681260000 57082553610240 59460993344000 66893617512000 71353192012800 74326241680000 83617021890000 85623830415360 89191490016000 95137589350400 107029788019200 111489362520000 118921986688000 133787235024000 142706384025600 148652483360000 167234043780000 171247660830720 178382980032000 214059576038400 222978725040000 237843973376000 267574470048000 285412768051200 297304966720000 334468087560000 356765960064000 428119152076800 445957450080000 475687946752000 535148940096000 594609933440000 668936175120000 713531920128000 856238304153600 891914900160000 1070297880192000 1189219866880000 1337872350240000 1427063840256000 1783829800320000 2140595760384000 2378439733760000 2675744700480000 3567659600640000 4281191520768000 5351489400960000 7135319201280000 10702978801920000 21405957603840000
• Sum of all divisors σ(n): 77270280677401812
• Sum of proper divisors (its aliquot sum) s(n): 55864323073561812
• 21405957603840000 is an abundant number, because the sum of its proper divisors (55864323073561812) is greater than itself. Its abundance is 34458365469721812

Bases of 21405957603840000

• Binary: 1001100000011001001101011100011000011011101000000000000₂
• Hexadecimal: 0x4C0C9AE30DD000
• Base-36: 5URS15ZVNK0

Squares and roots of 21405957603840000

• 21405957603840000 squared (21405957603840000²) is 458215020937395514382745600000000
• 21405957603840000 cubed (21405957603840000³) is 9808531311628546315706841260416303104000000000000
• The square root of 21405957603840000 is 146307749.6369894961
• The cube root of 21405957603840000 is 277658.8711413993

Scales and comparisons

• 21,405,957,603,840,000 seconds is equal to 680,643,238 years, 43 weeks, 8 hours.
• To count from 1 to 21,405,957,603,840,000 would take you about two billion, forty-one million, nine hundred twenty-nine thousand, seven hundred sixteen 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 21405957603840000 cubic inches would be around 23138.2 feet tall.

Recreational maths with 21405957603840000

• 21405957603840000 backwards is 00004830675950412
• The number of decimal digits it has is: 17
• The sum of 21405957603840000's digits is 54
• More coming soon!