21118705376624640

Names of 21118705376624640

• Cardinal: 21118705376624640 can be written as Twenty-one quadrillion, one hundred eighteen trillion, seven hundred five billion, three hundred seventy-six million, six hundred twenty-four thousand, six hundred forty.

Scientific notation

• Scientific notation: 2.111870537662464 × 10¹⁶

Factors of 21118705376624640

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 22
• Sum of prime factors: 48867

Divisors of 21118705376624640

• Number of divisors d(n): 408
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 64 72 80 90 96 108 120 128 135 144 160 180 192 216 240 256 270 288 320 360 384 432 480 512 540 576 640 720 768 864 960 1024 1080 1152 1280 1440 1536 1728 1920 2048 2160 2304 2560 2880 3072 3456 3840 4096 4320 4608 5120 5760 6144 6912 7680 8192 8640 9216 10240 11520 12288 13824 15360 16384 17280 18432 20480 23040 24576 27648 30720 32768 34560 36864 40960 46080 48857 49152 55296 61440 65536 69120 73728 81920 92160 97714 98304 110592 122880 138240 146571 147456 163840 184320 195428 196608 221184 244285 245760 276480 293142 294912 327680 368640 390856 439713 442368 488570 491520 552960 586284 589824 732855 737280 781712 879426 884736 977140 983040 1105920 1172568 1319139 1465710 1474560 1563424 1758852 1769472 1954280 2198565 2211840 2345136 2638278 2931420 2949120 3126848 3517704 3908560 4397130 4423680 4690272 5276556 5862840 6253696 6595695 7035408 7817120 8794260 8847360 9380544 10553112 11725680 12507392 13191390 14070816 15634240 17588520 18761088 21106224 23451360 25014784 26382780 28141632 31268480 35177040 37522176 42212448 46902720 50029568 52765560 56283264 62536960 70354080 75044352 84424896 93805440 100059136 105531120 112566528 125073920 140708160 150088704 168849792 187610880 200118272 211062240 225133056 250147840 281416320 300177408 337699584 375221760 400236544 422124480 450266112 500295680 562832640 600354816 675399168 750443520 800473088 844248960 900532224 1000591360 1125665280 1200709632 1350798336 1500887040 1600946176 1688497920 1801064448 2001182720 2251330560 2387006449 2401419264 2701596672 3001774080 3201892352 3376995840 3602128896 4002365440 4502661120 4774012898 4802838528 5403193344 6003548160 6753991680 7161019347 7204257792 8004730880 9005322240 9548025796 9605677056 10806386688 11935032245 12007096320 13507983360 14322038694 14408515584 16009461760 18010644480 19096051592 21483058041 21612773376 23870064490 24014192640 27015966720 28644077388 28817031168 35805096735 36021288960 38192103184 42966116082 43225546752 47740128980 48028385280 54031933440 57288154776 64449174123 71610193470 72042577920 76384206368 85932232164 86451093504 95480257960 107415290205 108063866880 114576309552 128898348246 143220386940 144085155840 152768412736 171864464328 190960515920 214830580410 216127733760 229152619104 257796696492 286440773880 305536825472 322245870615 343728928656 381921031840 429661160820 432255467520 458305238208 515593392984 572881547760 611073650944 644491741230 687457857312 763842063680 859322321640 916610476416 1031186785968 1145763095520 1222147301888 1288983482460 1374915714624 1527684127360 1718644643280 1833220952832 2062373571936 2291526191040 2444294603776 2577966964920 2749831429248 3055368254720 3437289286560 3666441905664 4124747143872 4583052382080 4888589207552 5155933929840 5499662858496 6110736509440 6874578573120 7332883811328 8249494287744 9166104764160 9777178415104 10311867859680 10999325716992 12221473018880 13749157146240 14665767622656 16498988575488 18332209528320 19554356830208 20623735719360 21998651433984 24442946037760 27498314292480 29331535245312 32997977150976 36664419056640 39108713660416 41247471438720 43997302867968 48885892075520 54996628584960 58663070490624 65995954301952 73328838113280 78217427320832 82494942877440 87994605735936 97771784151040 109993257169920 117326140981248 131991908603904 146657676226560 156434854641664 164989885754880 175989211471872 195543568302080 219986514339840 234652281962496 263983817207808 293315352453120 329979771509760 351978422943744 391087136604160 439973028679680 469304563924992 527967634415616 586630704906240 659959543019520 703956845887488 782174273208320 879946057359360 1055935268831232 1173261409812480 1319919086039040 1407913691774976 1759892114718720 2111870537662464 2346522819624960 2639838172078080 3519784229437440 4223741075324928 5279676344156160 7039568458874880 10559352688312320 21118705376624640
• Sum of all divisors σ(n): 75089694274511280
• Sum of proper divisors (its aliquot sum) s(n): 53970988897886640
• 21118705376624640 is an abundant number, because the sum of its proper divisors (53970988897886640) is greater than itself. Its abundance is 32852283521262000

Bases of 21118705376624640

• Binary: 1001011000001110101100111000100000101110000000000000000₂
• Hexadecimal: 0x4B0759C4170000
• Base-36: 5RXYFBCFEO0

Squares and roots of 21118705376624640

• 21118705376624640 squared (21118705376624640²) is 445999716784674477628519455129600
• 21118705376624640 cubed (21118705376624640³) is 9418936616833571588195784613671952689181753344000
• The square root of 21118705376624640 is 145322762.7614636287
• The cube root of 21118705376624640 is 276411.2811081157

Scales and comparisons

• 21,118,705,376,624,640 seconds is equal to 671,509,506 years, 27 weeks, 4 days, 14 hours, 24 minutes.
• To count from 1 to 21,118,705,376,624,640 would take you about two billion, fourteen million, five hundred twenty-eight thousand, five hundred nineteen 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 21118705376624640 cubic inches would be around 23034.3 feet tall.

Recreational maths with 21118705376624640

• 21118705376624640 backwards is 04642667350781112
• The number of decimal digits it has is: 17
• The sum of 21118705376624640's digits is 63
• More coming soon!