21243340800

Names of 21243340800

• Cardinal: 21243340800 can be written as Twenty-one billion, two hundred forty-three million, three hundred forty thousand, eight hundred.

Scientific notation

• Scientific notation: 2.12433408 × 10¹⁰

Factors of 21243340800

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 19
• Sum of prime factors: 148

Divisors of 21243340800

• Number of divisors d(n): 864
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 11 12 15 16 18 20 22 24 25 27 30 32 33 36 40 44 45 48 50 54 55 60 64 66 72 75 80 88 90 96 99 100 108 110 120 121 127 128 132 135 144 150 160 165 176 180 192 198 200 216 220 225 240 242 254 256 264 270 275 288 297 300 320 330 352 360 363 381 384 396 400 432 440 450 480 484 495 508 512 528 540 550 576 594 600 605 635 640 660 675 704 720 726 762 768 792 800 825 864 880 900 960 968 990 1016 1024 1056 1080 1089 1100 1143 1152 1188 1200 1210 1270 1280 1320 1350 1397 1408 1440 1452 1485 1524 1536 1584 1600 1650 1728 1760 1800 1815 1905 1920 1936 1980 2032 2048 2112 2160 2178 2200 2286 2304 2376 2400 2420 2475 2540 2560 2640 2700 2794 2816 2880 2904 2970 3025 3048 3072 3168 3175 3200 3267 3300 3429 3456 3520 3600 3630 3810 3840 3872 3960 4064 4191 4224 4320 4356 4400 4572 4608 4752 4800 4840 4950 5080 5120 5280 5400 5445 5588 5632 5715 5760 5808 5940 6050 6096 6144 6336 6350 6400 6534 6600 6858 6912 6985 7040 7200 7260 7425 7620 7680 7744 7920 8128 8382 8448 8640 8712 8800 9075 9144 9216 9504 9525 9600 9680 9900 10160 10240 10560 10800 10890 11176 11264 11430 11520 11616 11880 12100 12192 12573 12672 12700 12800 13068 13200 13716 13824 13970 14080 14400 14520 14850 15240 15360 15367 15488 15840 16256 16335 16764 16896 17145 17280 17424 17600 18150 18288 18432 19008 19050 19200 19360 19800 20320 20955 21120 21600 21780 22352 22528 22860 23040 23232 23760 24200 24384 25146 25344 25400 25600 26136 26400 27225 27432 27648 27940 28160 28575 28800 29040 29700 30480 30720 30734 30976 31680 32512 32670 33528 33792 34290 34560 34848 34925 35200 36300 36576 37719 38016 38100 38400 38720 39600 40640 41910 42240 43200 43560 44704 45720 46080 46101 46464 47520 48400 48768 50292 50688 50800 51200 52272 52800 54450 54864 55296 55880 56320 57150 57600 58080 59400 60960 61468 61952 62865 63360 65024 65340 67056 67584 68580 69120 69696 69850 70400 72600 73152 75438 76032 76200 76800 76835 77440 79200 81280 81675 83820 84480 85725 86400 87120 89408 91440 92160 92202 92928 95040 96800 97536 100584 101376 101600 104544 104775 105600 108900 109728 111760 112640 114300 115200 116160 118800 121920 122936 123904 125730 126720 130048 130680 134112 137160 138240 138303 139392 139700 140800 145200 146304 150876 152064 152400 153600 153670 154880 158400 162560 163350 167640 168960 171450 172800 174240 178816 182880 184404 185856 188595 190080 193600 195072 201168 202752 203200 209088 209550 211200 217800 219456 223520 228600 230400 230505 232320 237600 243840 245872 247808 251460 253440 260096 261360 268224 274320 276480 276606 278784 279400 281600 290400 292608 301752 304128 304800 307340 309760 314325 316800 325120 326700 335280 337920 342900 345600 348480 357632 365760 368808 371712 377190 380160 384175 387200 390144 402336 406400 414909 418176 419100 422400 435600 438912 447040 457200 460800 461010 464640 475200 487680 491744 502920 506880 522720 536448 548640 553212 557568 558800 563200 580800 585216 603504 608256 609600 614680 619520 628650 633600 650240 653400 670560 685800 691200 691515 696960 715264 731520 737616 743424 754380 760320 768350 774400 780288 804672 812800 829818 836352 838200 844800 871200 877824 894080 914400 922020 929280 942975 950400 975360 983488 1005840 1013760 1045440 1072896 1097280 1106424 1115136 1117600 1152525 1161600 1170432 1207008 1219200 1229360 1239040 1257300 1267200 1300480 1306800 1341120 1371600 1382400 1383030 1393920 1430528 1463040 1475232 1508760 1520640 1536700 1548800 1609344 1625600 1659636 1672704 1676400 1689600 1742400 1755648 1788160 1828800 1844040 1858560 1885950 1900800 1950720 1966976 2011680 2074545 2090880 2145792 2194560 2212848 2230272 2235200 2305050 2323200 2340864 2414016 2438400 2458720 2514600 2534400 2613600 2682240 2743200 2766060 2787840 2861056 2926080 2950464 3017520 3041280 3073400 3097600 3218688 3251200 3319272 3345408 3352800 3457575 3484800 3511296 3576320 3657600 3688080 3717120 3771900 3801600 3901440 3933952 4023360 4149090 4181760 4291584 4389120 4425696 4470400 4610100 4646400 4828032 4876800 4917440 5029200 5068800 5227200 5364480 5486400 5532120 5575680 5852160 5900928 6035040 6146800 6195200 6437376 6502400 6638544 6690816 6705600 6915150 6969600 7022592 7152640 7315200 7376160 7543800 7603200 7867904 8046720 8298180 8363520 8583168 8778240 8851392 8940800 9220200 9292800 9656064 9753600 9834880 10058400 10372725 10454400 10728960 10972800 11064240 11151360 11704320 11801856 12070080 12293600 12874752 13277088 13411200 13830300 13939200 14305280 14630400 14752320 15087600 15206400 15735808 16093440 16596360 16727040 17556480 17702784 17881600 18440400 18585600 19312128 19507200 19669760 20116800 20745450 20908800 21457920 21945600 22128480 23603712 24140160 24587200 25749504 26554176 26822400 27660600 27878400 29260800 29504640 30175200 31471616 32186880 33192720 33454080 35112960 35405568 35763200 36880800 38624256 39339520 40233600 41490900 41817600 42915840 43891200 44256960 47207424 48280320 49174400 53108352 53644800 55321200 55756800 58521600 59009280 60350400 64373760 66385440 70811136 71526400 73761600 77248512 78679040 80467200 82981800 83635200 87782400 88513920 94414848 96560640 98348800 106216704 107289600 110642400 118018560 120700800 128747520 132770880 141622272 147523200 157358080 160934400 165963600 167270400 175564800 177027840 193121280 196697600 212433408 214579200 221284800 236037120 241401600 265541760 283244544 295046400 321868800 331927200 354055680 386242560 393395200 424866816 442569600 472074240 482803200 531083520 590092800 643737600 663854400 708111360 786790400 849733632 885139200 965606400 1062167040 1180185600 1327708800 1416222720 1770278400 1931212800 2124334080 2360371200 2655417600 3540556800 4248668160 5310835200 7081113600 10621670400 21243340800
• Sum of all divisors σ(n): 86444467200
• Sum of proper divisors (its aliquot sum) s(n): 65201126400
• 21243340800 is an abundant number, because the sum of its proper divisors (65201126400) is greater than itself. Its abundance is 43957785600

Bases of 21243340800

• Binary: 10011110010001100111010100000000000₂
• Hexadecimal: 0x4F233A800
• Base-36: 9RBQIO0

Squares and roots of 21243340800

• 21243340800 squared (21243340800²) is 451279528344944640000
• 21243340800 cubed (21243340800³) is 9586684816694918944653312000000
• The square root of 21243340800 is 145750.9547138543
• The cube root of 21243340800 is 2769.5397672293

Scales and comparisons

• 21,243,340,800 seconds is equal to 675 years, 24 weeks, 4 days.
• To count from 1 to 21,243,340,800 would take you about one thousand, three hundred fifty 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 21243340800 cubic inches would be around 230.8 feet tall.

Recreational maths with 21243340800

• 21243340800 backwards is 00804334212
• 21243340800 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21243340800's digits is 27
• More coming soon!