21435330723840

Names of 21435330723840

• Cardinal: 21435330723840 can be written as Twenty-one trillion, four hundred thirty-five billion, three hundred thirty million, seven hundred twenty-three thousand, eight hundred forty.

Scientific notation

• Scientific notation: 2.143533072384 × 10¹³

Factors of 21435330723840

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 24
• Sum of prime factors: 36730

Divisors of 21435330723840

• Number of divisors d(n): 720
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 11 12 15 16 18 20 22 24 27 30 32 33 36 40 44 45 48 54 55 60 64 66 72 80 81 88 90 96 99 108 110 120 128 132 135 144 160 162 165 176 180 192 198 216 220 240 256 264 270 288 297 320 324 330 352 360 384 396 405 432 440 480 495 512 528 540 576 594 640 648 660 704 720 768 792 810 864 880 891 960 990 1024 1056 1080 1152 1188 1280 1296 1320 1408 1440 1485 1536 1584 1620 1728 1760 1782 1920 1980 2048 2112 2160 2304 2376 2560 2592 2640 2816 2880 2970 3072 3168 3240 3456 3520 3564 3840 3960 4096 4224 4320 4455 4608 4752 5120 5184 5280 5632 5760 5940 6144 6336 6480 6912 7040 7128 7680 7920 8192 8448 8640 8910 9216 9504 10240 10368 10560 11264 11520 11880 12288 12672 12960 13824 14080 14256 15360 15840 16384 16896 17280 17820 18432 19008 20480 20736 21120 22528 23040 23760 24576 25344 25920 27648 28160 28512 30720 31680 32768 33792 34560 35640 36709 36864 38016 40960 41472 42240 45056 46080 47520 49152 50688 51840 55296 56320 57024 61440 63360 65536 67584 69120 71280 73418 73728 76032 81920 82944 84480 90112 92160 95040 98304 101376 103680 110127 110592 112640 114048 122880 126720 131072 135168 138240 142560 146836 147456 152064 163840 165888 168960 180224 183545 184320 190080 196608 202752 207360 220254 221184 225280 228096 245760 253440 270336 276480 285120 293672 294912 304128 327680 330381 331776 337920 360448 367090 368640 380160 393216 403799 405504 414720 440508 442368 450560 456192 491520 506880 540672 550635 552960 570240 587344 589824 608256 655360 660762 663552 675840 720896 734180 737280 760320 807598 811008 829440 881016 884736 901120 912384 983040 991143 1013760 1081344 1101270 1105920 1140480 1174688 1179648 1211397 1216512 1321524 1327104 1351680 1441792 1468360 1474560 1520640 1615196 1622016 1651905 1658880 1762032 1769472 1802240 1824768 1966080 1982286 2018995 2027520 2162688 2202540 2211840 2280960 2349376 2422794 2433024 2643048 2654208 2703360 2936720 2949120 2973429 3041280 3230392 3244032 3303810 3317760 3524064 3538944 3604480 3634191 3649536 3964572 4037990 4055040 4325376 4405080 4423680 4561920 4698752 4845588 4866048 4955715 5286096 5308416 5406720 5873440 5898240 5946858 6056985 6082560 6460784 6488064 6607620 6635520 7048128 7208960 7268382 7299072 7929144 8075980 8110080 8810160 8847360 9123840 9397504 9691176 9732096 9911430 10572192 10616832 10813440 10902573 11746880 11893716 12113970 12165120 12921568 12976128 13215240 13271040 14096256 14536764 14598144 14867145 15858288 16151960 16220160 17620320 17694720 18170955 18247680 18795008 19382352 19464192 19822860 21144384 21626880 21805146 23493760 23787432 24227940 24330240 25843136 26430480 26542080 28192512 29073528 29196288 29734290 31716576 32303920 32440320 32707719 35240640 36341910 36495360 37590016 38764704 38928384 39645720 42288768 43610292 46987520 47574864 48455880 48660480 51686272 52860960 53084160 54512865 56385024 58147056 58392576 59468580 63433152 64607840 64880640 65415438 70481280 72683820 72990720 75180032 77529408 79291440 84577536 87220584 93975040 95149728 96911760 97320960 103372544 105721920 109025730 112770048 116294112 116785152 118937160 126866304 129215680 130830876 140962560 145367640 145981440 150360064 155058816 158582880 163538595 169155072 174441168 187950080 190299456 193823520 194641920 206745088 211443840 218051460 225540096 232588224 237874320 253732608 258431360 261661752 281925120 290735280 291962880 300720128 310117632 317165760 327077190 338310144 348882336 375900160 380598912 387647040 413490176 422887680 436102920 451080192 465176448 475748640 507465216 516862720 523323504 563850240 581470560 583925760 601440256 620235264 634331520 654154380 676620288 697764672 751800320 761197824 775294080 826980352 845775360 872205840 902160384 930352896 951497280 1014930432 1033725440 1046647008 1127700480 1162941120 1202880512 1240470528 1268663040 1308308760 1353240576 1395529344 1503600640 1522395648 1550588160 1653960704 1691550720 1744411680 1804320768 1860705792 1902994560 2029860864 2067450880 2093294016 2255400960 2325882240 2405761024 2480941056 2537326080 2616617520 2706481152 2791058688 3007201280 3044791296 3101176320 3307921408 3383101440 3488823360 3608641536 3721411584 3805989120 4059721728 4134901760 4186588032 4510801920 4651764480 4811522048 4961882112 5074652160 5233235040 5412962304 5582117376 6014402560 6089582592 6202352640 6615842816 6766202880 6977646720 7217283072 7442823168 7611978240 8119443456 8269803520 8373176064 9021603840 9303528960 9923764224 10149304320 10466470080 10825924608 11164234752 12028805120 12179165184 12404705280 13231685632 13532405760 13955293440 14434566144 14885646336 15223956480 16238886912 16539607040 16746352128 18043207680 18607057920 19847528448 20298608640 20932940160 21651849216 22328469504 24057610240 24358330368 24809410560 26463371264 27064811520 27910586880 29771292672 30447912960 32477773824 33079214080 33492704256 36086415360 37214115840 39695056896 40597217280 41865880320 43303698432 44656939008 48716660736 49618821120 52926742528 54129623040 55821173760 59542585344 60895825920 64955547648 66158428160 66985408512 72172830720 74428231680 79390113792 81194434560 83731760640 89313878016 97433321472 99237642240 108259246080 111642347520 119085170688 121791651840 129911095296 132316856320 133970817024 148856463360 158780227584 162388869120 167463521280 178627756032 194866642944 198475284480 216518492160 223284695040 238170341376 243583303680 264633712640 267941634048 297712926720 324777738240 334927042560 357255512064 389733285888 396950568960 446569390080 476340682752 487166607360 535883268096 595425853440 649555476480 669854085120 714511024128 793901137920 893138780160 974333214720 1071766536192 1190851706880 1339708170240 1429022048256 1786277560320 1948666429440 2143533072384 2381703413760 2679416340480 3572555120640 4287066144768 5358832680960 7145110241280 10717665361920 21435330723840
• Sum of all divisors σ(n): 83837924145360
• Sum of proper divisors (its aliquot sum) s(n): 62402593421520
• 21435330723840 is an abundant number, because the sum of its proper divisors (62402593421520) is greater than itself. Its abundance is 40967262697680

Bases of 21435330723840

• Binary: 100110111111011001101010001100000000000000000₂
• Hexadecimal: 0x137ECD460000
• Base-36: 7LJ96GW00

Squares and roots of 21435330723840

• 21435330723840 squared (21435330723840²) is 459473403240399058344345600
• 21435330723840 cubed (21435330723840³) is 9848964357266251348830755962019119104000
• The square root of 21435330723840 is 4629830.5286306105
• The cube root of 21435330723840 is 27778.5813679701

Scales and comparisons

• 21,435,330,723,840 seconds is equal to 681,577 years, 11 weeks, 14 hours, 24 minutes.
• To count from 1 to 21,435,330,723,840 would take you about one million, seven hundred three thousand, nine hundred forty-three 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 21435330723840 cubic inches would be around 2314.9 feet tall.

Recreational maths with 21435330723840

• 21435330723840 backwards is 04832703353412
• 21435330723840 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21435330723840's digits is 45
• More coming soon!