21368207808000

Names of 21368207808000

• Cardinal: 21368207808000 can be written as Twenty-one trillion, three hundred sixty-eight billion, two hundred seven million, eight hundred eight thousand.

Scientific notation

• Scientific notation: 2.1368207808 × 10¹³

Factors of 21368207808000

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 692

Divisors of 21368207808000

• Number of divisors d(n): 960
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 27 29 30 32 36 40 45 48 50 54 58 60 64 72 75 80 87 90 96 100 108 116 120 125 128 135 144 145 150 160 174 180 192 200 216 225 232 240 250 256 261 270 288 290 300 320 348 360 375 384 400 432 435 450 464 480 500 512 522 540 576 580 600 640 653 675 696 720 725 750 768 783 800 864 870 900 928 960 1000 1044 1080 1125 1152 1160 1200 1280 1305 1306 1350 1392 1440 1450 1500 1536 1566 1600 1728 1740 1800 1856 1920 1959 2000 2088 2160 2175 2250 2304 2320 2400 2560 2610 2612 2700 2784 2880 2900 3000 3132 3200 3265 3375 3456 3480 3600 3625 3712 3840 3915 3918 4000 4176 4320 4350 4500 4608 4640 4800 5220 5224 5400 5568 5760 5800 5877 6000 6264 6400 6525 6530 6750 6912 6960 7200 7250 7424 7680 7830 7836 8000 8352 8640 8700 9000 9280 9600 9795 10440 10448 10800 10875 11136 11520 11600 11754 12000 12528 12800 13050 13060 13500 13824 13920 14400 14500 14848 15660 15672 16000 16325 16704 17280 17400 17631 18000 18560 18937 19200 19575 19590 20880 20896 21600 21750 22272 23040 23200 23508 24000 25056 26100 26120 27000 27840 28800 29000 29385 31320 31344 32000 32625 32650 33408 34560 34800 35262 36000 37120 37874 38400 39150 39180 41760 41792 43200 43500 44544 46400 47016 48000 48975 50112 52200 52240 54000 55680 56811 57600 58000 58770 62640 62688 64000 65250 65300 66816 69120 69600 70524 72000 74240 75748 78300 78360 81625 83520 83584 86400 87000 88155 92800 94032 94685 96000 97875 97950 100224 104400 104480 108000 111360 113622 115200 116000 117540 125280 125376 130500 130600 133632 139200 141048 144000 146925 151496 156600 156720 163250 167040 167168 170433 172800 174000 176310 185600 188064 189370 192000 195750 195900 200448 208800 208960 216000 222720 227244 232000 235080 244875 250560 250752 261000 261200 278400 282096 284055 288000 293850 302992 313200 313440 326500 334080 334336 340866 345600 348000 352620 371200 376128 378740 391500 391800 400896 417600 417920 426409 432000 440775 454488 464000 470160 473425 489750 501120 501504 511299 522000 522400 556800 564192 568110 576000 587700 605984 626400 626880 653000 668160 681732 696000 705240 734625 752256 757480 783000 783600 835200 835840 852165 852818 864000 881550 908976 928000 940320 946850 979500 1002240 1003008 1022598 1044000 1044800 1113600 1128384 1136220 1175400 1211968 1252800 1253760 1279227 1306000 1363464 1392000 1410480 1420275 1469250 1504512 1514960 1566000 1567200 1670400 1671680 1704330 1705636 1728000 1763100 1817952 1856000 1880640 1893700 1959000 2004480 2045196 2088000 2089600 2132045 2203875 2256768 2272440 2350800 2367125 2423936 2505600 2507520 2556495 2558454 2612000 2726928 2784000 2820960 2840550 2938500 3009024 3029920 3132000 3134400 3340800 3408660 3411272 3526200 3635904 3761280 3787400 3837681 3918000 4090392 4176000 4179200 4260825 4264090 4407750 4513536 4544880 4701600 4734250 4847872 5011200 5015040 5112990 5116908 5224000 5453856 5568000 5641920 5681100 5877000 6059840 6264000 6268800 6396135 6817320 6822544 7052400 7101375 7271808 7522560 7574800 7675362 7836000 8180784 8352000 8358400 8521650 8528180 8815500 9027072 9089760 9403200 9468500 9695744 10022400 10225980 10233816 10448000 10660225 10907712 11283840 11362200 11513043 11754000 12119680 12365861 12528000 12537600 12782475 12792270 13634640 13645088 14104800 14202750 14543616 15045120 15149600 15350724 15672000 16361568 16704000 17043300 17056360 17631000 18179520 18806400 18937000 19188405 20451960 20467632 20896000 21304125 21320450 21815424 22567680 22724400 23026086 23508000 24239360 24731722 25056000 25075200 25564950 25584540 27269280 27290176 28209600 28405500 29087232 30299200 30701448 31344000 31980675 32723136 34086600 34112720 35262000 36359040 37097583 37612800 37874000 38376810 40903920 40935264 41792000 42608250 42640900 43630848 45135360 45448800 46052172 47016000 48478720 49463444 50112000 51129900 51169080 53301125 54538560 54580352 56419200 56811000 57565215 60598400 61402896 61829305 62688000 63912375 63961350 65446272 68173200 68225440 70524000 72718080 74195166 75225600 75748000 76753620 81807840 81870528 85216500 85281800 87261696 90897600 92104344 94032000 95942025 98926888 102259800 102338160 106602250 109077120 109160704 111292749 112838400 113622000 115130430 121196800 122805792 123658610 125376000 127824750 127922700 130892544 136346400 136450880 141048000 145436160 148390332 151496000 153507240 159903375 163615680 163741056 170433000 170563600 181795200 184208688 185487915 188064000 191884050 197853776 204519600 204676320 213204500 218154240 218321408 222585498 225676800 227244000 230260860 242393600 245611584 247317220 255649500 255845400 261785088 272692800 272901760 282096000 287826075 296780664 302992000 307014480 309146525 319806750 327231360 327482112 333878247 340866000 341127200 363590400 368417376 370975830 376128000 383768100 395707552 409039200 409352640 426409000 436308480 445170996 454488000 460521720 479710125 491223168 494634440 511299000 511690800 545385600 545803520 556463745 564192000 575652150 593561328 605984000 614028960 618293050 639613500 654462720 654964224 667756494 681732000 682254400 727180800 736834752 741951660 767536200 791415104 818078400 818705280 852818000 890341992 908976000 921043440 927439575 959420250 982446336 989268880 1022598000 1023381600 1090771200 1091607040 1112927490 1128384000 1151304300 1187122656 1211968000 1228057920 1236586100 1279227000 1308925440 1335512988 1363464000 1364508800 1439130375 1473669504 1483903320 1535072400 1545732625 1582830208 1636156800 1637410560 1669391235 1705636000 1780683984 1817952000 1842086880 1854879150 1918840500 1964892672 1978537760 2045196000 2046763200 2181542400 2225854980 2302608600 2374245312 2456115840 2473172200 2558454000 2671025976 2726928000 2729017600 2782318725 2878260750 2947339008 2967806640 3070144800 3091465250 3165660416 3272313600 3274821120 3338782470 3411272000 3561367968 3635904000 3684173760 3709758300 3837681000 3957075520 4090392000 4093526400 4451709960 4605217200 4637197875 4748490624 4912231680 4946344400 5116908000 5342051952 5453856000 5458035200 5564637450 5756521500 5894678016 5935613280 6140289600 6182930500 6331320832 6544627200 6677564940 6822544000 7122735936 7368347520 7419516600 7675362000 7914151040 8180784000 8187052800 8346956175 8903419920 9210434400 9274395750 9496981248 9824463360 9892688800 10233816000 10684103904 10907712000 11129274900 11513043000 11871226560 12280579200 12365861000 13355129880 13645088000 13911593625 14245471872 14736695040 14839033200 15350724000 15828302080 16361568000 16374105600 16693912350 17806839840 18420868800 18548791500 18993962496 19785377600 20467632000 21368207808 22258549800 23026086000 23742453120 24561158400 24731722000 26710259760 27290176000 27823187250 28490943744 29473390080 29678066400 30701448000 31656604160 32723136000 33387824700 35613679680 36841737600 37097583000 39570755200 40935264000 41734780875 42736415616 44517099600 46052172000 47484906240 49122316800 49463444000 53420519520 55646374500 56981887488 59356132800 61402896000 66775649400 71227359360 73683475200 74195166000 79141510400 81870528000 83469561750 85472831232 89034199200 92104344000 94969812480 98926888000 106841039040 111292749000 118712265600 122805792000 133551298800 142454718720 147366950400 148390332000 158283020800 166939123500 170945662464 178068398400 184208688000 197853776000 213682078080 222585498000 237424531200 245611584000 267102597600 284909437440 296780664000 333878247000 356136796800 368417376000 395707552000 427364156160 445170996000 474849062400 534205195200 593561328000 667756494000 712273593600 736834752000 791415104000 854728312320 890341992000 1068410390400 1187122656000 1335512988000 1424547187200 1780683984000 2136820780800 2374245312000 2671025976000 3561367968000 4273641561600 5342051952000 7122735936000 10684103904000 21368207808000
• Sum of all divisors σ(n): 81784956052800
• Sum of proper divisors (its aliquot sum) s(n): 60416748244800
• 21368207808000 is an abundant number, because the sum of its proper divisors (60416748244800) is greater than itself. Its abundance is 39048540436800

Bases of 21368207808000

• Binary: 100110110111100101100011011111001011000000000₂
• Hexadecimal: 0x136F2C6F9600
• Base-36: 7KOF37UO0

Squares and roots of 21368207808000

• 21368207808000 squared (21368207808000²) is 456600304925872164864000000
• 21368207808000 cubed (21368207808000³) is 9756730200852202454456788058112000000000
• The square root of 21368207808000 is 4622575.8845042231
• The cube root of 21368207808000 is 27749.5556276541

Scales and comparisons

• 21,368,207,808,000 seconds is equal to 679,442 years, 47 weeks, 3 days.
• To count from 1 to 21,368,207,808,000 would take you about one million, six hundred ninety-eight thousand, six hundred seven 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 21368207808000 cubic inches would be around 2312.5 feet tall.

Recreational maths with 21368207808000

• 21368207808000 backwards is 00080870286312
• 21368207808000 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21368207808000's digits is 45
• More coming soon!