21666840768000

Names of 21666840768000

• Cardinal: 21666840768000 can be written as Twenty-one trillion, six hundred sixty-six billion, eight hundred forty million, seven hundred sixty-eight thousand.

Scientific notation

• Scientific notation: 2.1666840768 × 10¹³

Factors of 21666840768000

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 3551

Divisors of 21666840768000

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 27 30 32 36 40 45 48 50 54 60 64 72 75 80 90 96 100 108 120 125 128 135 144 150 160 180 192 200 216 225 240 250 256 270 288 300 320 360 375 384 400 432 450 480 500 512 540 576 600 640 675 720 750 768 800 864 900 960 1000 1080 1125 1152 1200 1280 1350 1440 1500 1536 1600 1728 1800 1920 2000 2160 2250 2304 2400 2560 2700 2880 3000 3200 3375 3456 3541 3600 3840 4000 4320 4500 4608 4800 5400 5760 6000 6400 6750 6912 7082 7200 7680 8000 8640 9000 9600 10623 10800 11520 12000 12800 13500 13824 14164 14400 16000 17280 17705 18000 19200 21246 21600 23040 24000 27000 28328 28800 31869 32000 34560 35410 36000 38400 42492 43200 48000 53115 54000 56656 57600 63738 64000 69120 70820 72000 84984 86400 88525 95607 96000 106230 108000 113312 115200 127476 141640 144000 159345 169968 172800 177050 191214 192000 212460 216000 226624 254952 265575 283280 288000 318690 339936 345600 354100 382428 424920 432000 442625 453248 478035 509904 531150 566560 576000 637380 679872 708200 764856 796725 849840 864000 885250 906496 956070 1019808 1062300 1133120 1274760 1327875 1359744 1416400 1529712 1593450 1699680 1728000 1770500 1812992 1912140 2039616 2124600 2266240 2390175 2549520 2655750 2719488 2832800 3059424 3186900 3399360 3541000 3824280 3983625 4079232 4249200 4532480 4780350 5099040 5311500 5438976 5665600 6118848 6373800 6798720 7082000 7648560 7967250 8158464 8498400 9064960 9560700 10198080 10623000 11331200 11950875 12237696 12538681 12747600 13597440 14164000 15297120 15934500 16316928 16996800 19121400 20396160 21246000 22662400 23901750 24475392 25077362 25495200 27194880 28328000 30594240 31869000 33993600 37616043 38242800 40792320 42492000 45324800 47803500 48950784 50154724 50990400 56656000 61188480 62693405 63738000 67987200 75232086 76485600 81584640 84984000 95607000 100309448 101980800 112848129 113312000 122376960 125386810 127476000 135974400 150464172 152971200 169968000 188080215 191214000 200618896 203961600 225696258 226624000 244753920 250773620 254952000 300928344 305942400 313467025 338544387 339936000 376160430 382428000 401237792 407923200 451392516 501547240 509904000 564240645 601856688 611884800 626934050 677088774 679872000 752320860 764856000 802475584 902785032 940401075 1003094480 1019808000 1128481290 1203713376 1223769600 1253868100 1354177548 1504641720 1529712000 1567335125 1604951168 1692721935 1805570064 1880802150 2006188960 2039616000 2256962580 2407426752 2507736200 2708355096 2821203225 3009283440 3059424000 3134670250 3209902336 3385443870 3611140128 3761604300 4012377920 4513925160 4702005375 4814853504 5015472400 5416710192 5642406450 6018566880 6118848000 6269340500 6419804672 6770887740 7222280256 7523208600 8024755840 8463609675 9027850320 9404010750 9629707008 10030944800 10833420384 11284812900 12037133760 12538681000 13541775480 14106016125 14444560512 15046417200 16049511680 16927219350 18055700640 18808021500 19259414016 20061889600 21666840768 22569625800 24074267520 25077362000 27083550960 28212032250 28889121024 30092834400 32099023360 33854438700 36111401280 37616043000 40123779200 42318048375 43333681536 45139251600 48148535040 50154724000 54167101920 56424064500 57778242048 60185668800 67708877400 72222802560 75232086000 80247558400 84636096750 86667363072 90278503200 96297070080 100309448000 108334203840 112848129000 120371337600 135417754800 144445605120 150464172000 160495116800 169272193500 173334726144 180557006400 200618896000 216668407680 225696258000 240742675200 270835509600 288891210240 300928344000 338544387000 361114012800 401237792000 433336815360 451392516000 481485350400 541671019200 601856688000 677088774000 722228025600 802475584000 866673630720 902785032000 1083342038400 1203713376000 1354177548000 1444456051200 1805570064000 2166684076800 2407426752000 2708355096000 3611140128000 4333368153600 5416710192000 7222280256000 10833420384000 21666840768000
• Sum of all divisors σ(n): 80063531364960
• Sum of proper divisors (its aliquot sum) s(n): 58396690596960
• 21666840768000 is an abundant number, because the sum of its proper divisors (58396690596960) is greater than itself. Its abundance is 36729849828960

Bases of 21666840768000

• Binary: 100111011010010110100010110001110111000000000₂
• Hexadecimal: 0x13B4B458EE00
• Base-36: 7OHLXKLC0

Squares and roots of 21666840768000

• 21666840768000 squared (21666840768000²) is 469451988865866829824000000
• 21666840768000 cubed (21666840768000³) is 10171541490977645512089561464832000000000
• The square root of 21666840768000 is 4654765.3827019033
• The cube root of 21666840768000 is 27878.2300288361

Scales and comparisons

• 21,666,840,768,000 seconds is equal to 688,938 years, 26 weeks, 6 days.
• To count from 1 to 21,666,840,768,000 would take you about one million, seven hundred twenty-two thousand, three hundred forty-six 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 21666840768000 cubic inches would be around 2323.2 feet tall.

Recreational maths with 21666840768000

• 21666840768000 backwards is 00086704866612
• 21666840768000 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21666840768000's digits is 54
• More coming soon!