21451807948800

Names of 21451807948800

• Cardinal: 21451807948800 can be written as Twenty-one trillion, four hundred fifty-one billion, eight hundred seven million, nine hundred forty-eight thousand, eight hundred.

Scientific notation

• Scientific notation: 2.14518079488 × 10¹³

Factors of 21451807948800

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 22
• Sum of prime factors: 334

Divisors of 21451807948800

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 31 32 40 48 50 60 62 64 75 80 93 96 100 120 124 128 150 155 160 186 192 200 240 248 256 293 300 310 320 372 384 400 465 480 496 512 586 600 620 640 744 768 775 800 879 930 960 961 992 1024 1172 1200 1240 1280 1465 1488 1536 1550 1600 1758 1860 1920 1922 1984 2048 2325 2344 2400 2480 2560 2883 2930 2976 3072 3100 3200 3516 3720 3840 3844 3968 4096 4395 4650 4688 4800 4805 4960 5120 5766 5860 5952 6144 6200 6400 7032 7325 7440 7680 7688 7936 8192 8790 9083 9300 9376 9600 9610 9920 10240 11532 11720 11904 12288 12400 12800 14064 14415 14650 14880 15360 15376 15872 16384 17580 18166 18600 18752 19200 19220 19840 20480 21975 23064 23440 23808 24025 24576 24800 25600 27249 28128 28830 29300 29760 29791 30720 30752 31744 32768 35160 36332 37200 37504 38400 38440 39680 40960 43950 45415 46128 46880 47616 48050 49152 49600 51200 54498 56256 57660 58600 59520 59582 61440 61504 63488 70320 72075 72664 74400 75008 76800 76880 79360 81920 87900 89373 90830 92256 93760 95232 96100 98304 99200 102400 108996 112512 115320 117200 119040 119164 122880 123008 126976 136245 140640 144150 145328 148800 148955 150016 153600 153760 158720 163840 175800 178746 181660 184512 187520 190464 192200 198400 204800 217992 225024 227075 230640 234400 238080 238328 245760 246016 253952 272490 281280 281573 288300 290656 297600 297910 300032 307200 307520 317440 351600 357492 363320 369024 375040 380928 384400 396800 409600 435984 446865 450048 454150 461280 468800 476160 476656 491520 492032 507904 544980 562560 563146 576600 581312 595200 595820 600064 614400 615040 634880 681225 703200 714984 726640 738048 744775 750080 761856 768800 793600 819200 844719 871968 893730 900096 908300 922560 937600 952320 953312 984064 1015808 1089960 1125120 1126292 1153200 1162624 1190400 1191640 1200128 1228800 1230080 1269760 1362450 1406400 1407865 1429968 1453280 1476096 1489550 1500160 1523712 1537600 1587200 1689438 1743936 1787460 1800192 1816600 1845120 1875200 1904640 1906624 1968128 2179920 2234325 2250240 2252584 2306400 2325248 2380800 2383280 2400256 2457600 2460160 2539520 2724900 2812800 2815730 2859936 2906560 2952192 2979100 3000320 3047424 3075200 3174400 3378876 3487872 3574920 3600384 3633200 3690240 3750400 3809280 3813248 3936256 4223595 4359840 4468650 4500480 4505168 4612800 4650496 4761600 4766560 4800512 4920320 5079040 5449800 5625600 5631460 5719872 5813120 5904384 5958200 6000640 6150400 6348800 6757752 6975744 7039325 7149840 7200768 7266400 7380480 7500800 7618560 7626496 7872512 8447190 8719680 8728763 8937300 9000960 9010336 9225600 9300992 9523200 9533120 9601024 9840640 10899600 11251200 11262920 11439744 11626240 11808768 11916400 12001280 12300800 12697600 13515504 13951488 14078650 14299680 14401536 14532800 14760960 15001600 15237120 15252992 15745024 16894380 17439360 17457526 17874600 18001920 18020672 18451200 18601984 19046400 19066240 19681280 21117975 21799200 22502400 22525840 22879488 23252480 23617536 23832800 24002560 24601600 25395200 26186289 27031008 27902976 28157300 28599360 28803072 29065600 29521920 30003200 30505984 31490048 33788760 34878720 34915052 35749200 36003840 36041344 36902400 37203968 38092800 38132480 39362560 42235950 43598400 43643815 45004800 45051680 45758976 46504960 47235072 47665600 48005120 49203200 52372578 54062016 55805952 56314600 57198720 58131200 59043840 60006400 61011968 67577520 69757440 69830104 71498400 72007680 72082688 73804800 74407936 76185600 76264960 78725120 84471900 87196800 87287630 90009600 90103360 91517952 93009920 94470144 95331200 98406400 104745156 108124032 111611904 112629200 114397440 116262400 118087680 120012800 122023936 130931445 135155040 139514880 139660208 142996800 144015360 144165376 147609600 148815872 152529920 157450240 168943800 174393600 174575260 180019200 180206720 183035904 186019840 190662400 196812800 209490312 216248064 218219075 223223808 225258400 228794880 232524800 236175360 240025600 244047872 261862890 270310080 279029760 279320416 285993600 288330752 295219200 297631744 305059840 337887600 348787200 349150520 360038400 360413440 366071808 372039680 381324800 393625600 418980624 432496128 436438150 446447616 450516800 457589760 465049600 472350720 488095744 523725780 540620160 558059520 558640832 571987200 576661504 590438400 610119680 654657225 675775200 697574400 698301040 720076800 720826880 732143616 744079360 762649600 787251200 837961248 864992256 872876300 892895232 901033600 915179520 930099200 976191488 1047451560 1081240320 1116119040 1117281664 1143974400 1153323008 1180876800 1220239360 1309314450 1351550400 1395148800 1396602080 1441653760 1464287232 1488158720 1525299200 1675922496 1729984512 1745752600 1802067200 1830359040 1860198400 2094903120 2162480640 2232238080 2234563328 2287948800 2306646016 2361753600 2440478720 2618628900 2703100800 2790297600 2793204160 2883307520 2928574464 3050598400 3351844992 3459969024 3491505200 3604134400 3660718080 3720396800 4189806240 4324961280 4464476160 4469126656 4575897600 4613292032 4880957440 5237257800 5406201600 5580595200 5586408320 5766615040 6101196800 6703689984 6919938048 6983010400 7208268800 7321436160 7440793600 8379612480 8649922560 8938253312 9151795200 9226584064 10474515600 10812403200 11161190400 11172816640 11533230080 12202393600 13407379968 13839876096 13966020800 14416537600 14642872320 16759224960 17299845120 17876506624 18303590400 20949031200 21624806400 22322380800 22345633280 23066460160 24404787200 26814759936 27679752192 27932041600 28833075200 33518449920 34599690240 35753013248 36607180800 41898062400 43249612800 44691266560 46132920320 53629519872 55864083200 57666150400 67036899840 69199380480 71506026496 73214361600 83796124800 86499225600 89382533120 107259039744 111728166400 115332300800 134073799680 138398760960 143012052992 167592249600 172998451200 178765066240 214518079488 223456332800 230664601600 268147599360 286024105984 335184499200 345996902400 357530132480 429036158976 446912665600 536295198720 670368998400 691993804800 715060264960 858072317952 893825331200 1072590397440 1340737996800 1430120529920 1787650662400 2145180794880 2681475993600 3575301324800 4290361589760 5362951987200 7150602649600 10725903974400 21451807948800
• Sum of all divisors σ(n): 73547407664640
• Sum of proper divisors (its aliquot sum) s(n): 52095599715840
• 21451807948800 is an abundant number, because the sum of its proper divisors (52095599715840) is greater than itself. Its abundance is 30643791767040

Bases of 21451807948800

• Binary: 100111000001010100011011001001000000000000000₂
• Hexadecimal: 0x1382A3648000
• Base-36: 7LQTOL05C

Squares and roots of 21451807948800

• 21451807948800 squared (21451807948800²) is 460180064272198863421440000
• 21451807948800 cubed (21451807948800³) is 9871694360633650465198372156342272000000
• The square root of 21451807948800 is 4631609.6498733569
• The cube root of 21451807948800 is 27785.6972943109

Scales and comparisons

• 21,451,807,948,800 seconds is equal to 682,101 years, 7 weeks, 1 day, 5 hours, 20 minutes.
• To count from 1 to 21,451,807,948,800 would take you about one million, seven hundred five thousand, two hundred fifty-two 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 21451807948800 cubic inches would be around 2315.5 feet tall.

Recreational maths with 21451807948800

• 21451807948800 backwards is 00884970815412
• The number of decimal digits it has is: 14
• The sum of 21451807948800's digits is 57
• More coming soon!