21918150464704

Names of 21918150464704

• Cardinal: 21918150464704 can be written as Twenty-one trillion, nine hundred eighteen billion, one hundred fifty million, four hundred sixty-four thousand, seven hundred four.

Scientific notation

• Scientific notation: 2.1918150464704 × 10¹³

Factors of 21918150464704

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 894

Divisors of 21918150464704

• Number of divisors d(n): 672
• Complete list of divisors:
  1 2 4 8 13 16 17 26 32 34 37 52 53 64 68 74 89 104 106 136 148 169 178 208 212 221 272 296 338 356 416 424 442 481 544 592 629 676 683 689 712 832 848 884 901 962 1088 1157 1184 1258 1352 1366 1378 1424 1513 1696 1768 1802 1924 1961 2314 2368 2516 2704 2732 2756 2848 2873 3026 3293 3392 3536 3604 3848 3922 4628 4717 5032 5408 5464 5512 5696 5746 6052 6253 6586 7072 7208 7696 7844 8177 8879 8957 9256 9434 10064 10816 10928 11024 11492 11611 11713 12104 12506 13172 14144 14416 15041 15392 15688 16354 17758 17914 18512 18868 19669 20128 21856 22048 22984 23222 23426 24208 25012 25271 25493 26344 28832 30082 30784 31376 32708 33337 35516 35828 36199 37024 37736 39338 40256 42809 43712 44096 45968 46444 46852 48416 50024 50542 50986 52688 55981 57664 60164 60787 61321 62752 65416 66674 71032 71656 72398 74048 75472 78676 80189 85618 91936 92888 93704 96832 100048 101084 101972 105376 106301 111962 115427 120328 121574 122642 125504 130832 133348 142064 143312 144796 150943 150944 152269 157352 160378 171236 174529 183872 185776 187408 200096 202168 203944 210752 212602 223924 230854 240656 243148 245284 255697 261664 266696 284128 286624 289592 301886 301888 304538 314704 320756 328523 331409 342472 349058 371552 374816 400192 404336 407888 425204 429607 433381 447848 461708 470587 481312 486296 490568 511394 523328 533392 556517 568256 573248 579184 603772 609076 615383 629408 641512 657046 662818 684944 698116 727753 743104 749632 790231 797173 808672 815776 850408 859214 866762 895696 923416 941174 962624 972592 981136 1022788 1033379 1042457 1066784 1113034 1158368 1207544 1218152 1230766 1258816 1283024 1314092 1325636 1339363 1369888 1396232 1455506 1580462 1594346 1617344 1631552 1700816 1718428 1733524 1791392 1846832 1882348 1945184 1962259 1962272 2045576 2066758 2084914 2133568 2226068 2249119 2268877 2316736 2415088 2436304 2461532 2566048 2628184 2651272 2678726 2739776 2792464 2911012 2966993 3160924 3188692 3221711 3401632 3436856 3467048 3582784 3693664 3764696 3890368 3924518 3924544 4091152 4133516 4169828 4270799 4452136 4498238 4537754 4830176 4872608 4923064 5132096 5256368 5302544 5357452 5584891 5584928 5633953 5822024 5933986 6117631 6321848 6377384 6443422 6803264 6873712 6934096 7387328 7529392 7849036 7999979 8182304 8267032 8339656 8541598 8904272 8996476 9075508 9460789 9660352 9745216 9846128 10273003 10512736 10605088 10714904 11169782 11169856 11267906 11644048 11867972 12235262 12643696 12754768 12886844 13433927 13551941 13747424 13868192 15058784 15698072 15999958 16364608 16534064 16679312 17083196 17411719 17808544 17992952 18151016 18921578 19692256 20546006 21025472 21210176 21429808 22339564 22535812 22769171 23288096 23735944 24470524 25287392 25509536 25773688 26867854 27103882 27494848 27736384 29238547 29495401 30117568 31396144 31999916 33068128 33358624 34166392 34823438 35617088 35985904 36302032 37843156 38235023 38570909 39384512 41092012 41882243 42859616 44679128 45071624 45538342 46576192 47471888 48941048 50574784 51019072 51547376 53735708 54207764 54769087 58477094 58990802 62792288 63999832 66136256 66717248 68332784 69646876 71971808 72603583 72604064 75686312 76470046 77141818 82184024 83764486 85719232 89358256 90143248 91076684 94943776 97882096 103094752 103999727 107471416 108415528 109538174 116954188 117981604 119203307 125584576 127999664 136665568 139293752 143943616 145207166 145208128 151372624 152940092 154283636 164368048 167528972 174641051 178716512 180286496 182153368 189887552 195764192 206189504 207999454 214942832 216831056 219076348 226352347 233908376 235963208 238406614 255999328 273331136 278587504 290414332 295999223 302745248 305880184 308567272 328736096 335057944 349282102 357433024 360572992 364306736 380101111 391528384 415998908 429885664 433662112 438152696 452704694 467816752 471926416 476813228 497055299 501421817 511998656 544469159 557175008 580828664 591998446 605490496 611760368 617134544 657472192 670115888 698564204 711998131 728613472 760202222 831997816 859771328 867324224 876305392 905409388 935633504 943852832 953626456 994110598 1002843634 1088938318 1114350016 1161657328 1183996892 1223520736 1234269088 1340231776 1397128408 1423996262 1457226944 1520404444 1549642991 1663995632 1752610784 1810818776 1871267008 1887705664 1907252912 1988221196 2005687268 2026456219 2177876636 2323314656 2367993784 2447041472 2468538176 2680463552 2794256816 2847992524 3040808888 3099285982 3327991264 3505221568 3621637552 3814505824 3847989899 3976442392 4011374536 4052912438 4355753272 4646629312 4735987568 5588513632 5695985048 6081617776 6198571964 6461718887 6655982528 7243275104 7629011648 7695979798 7952884784 8022749072 8105824876 8711506544 9255975703 9471975136 11177027264 11391970096 12163235552 12397143928 12923437774 14486550208 15391959596 15905769568 16045498144 16211649752 17423013088 18511951406 18943950272 20145358883 22783940192 24326471104 24794287856 25846875548 26343930847 30783919192 31811539136 32090996288 32423299504 34846026176 37023902812 40290717766 45567880384 49588575712 51693751096 52687861694 61567838384 64846599008 74047805624 80581435532 99177151424 103387502192 105375723388 123135676768 129693198016 148095611248 161162871064 206775004384 210751446776 246271353536 296191222496 322325742128 342471101011 413550008768 421502893552 592382444992 644651484256 684942202022 843005787104 1289302968512 1369884404044 1686011574208 2739768808088 5479537616176 10959075232352 21918150464704
• Sum of all divisors σ(n): 52844924698560
• Sum of proper divisors (its aliquot sum) s(n): 30926774233856
• 21918150464704 is an abundant number, because the sum of its proper divisors (30926774233856) is greater than itself. Its abundance is 9008623769152

Bases of 21918150464704

• Binary: 100111110111100110111100100101001010011000000₂
• Hexadecimal: 0x13EF379294C0
• Base-36: 7RP24VKCG

Squares and roots of 21918150464704

• 21918150464704 squared (21918150464704²) is 480405319793404171149807616
• 21918150464704 cubed (21918150464704³) is 10529596083276075363161247748630598385664
• The square root of 21918150464704 is 4681682.4395407257
• The cube root of 21918150464704 is 27985.6007871401

Scales and comparisons

• 21,918,150,464,704 seconds is equal to 696,929 years, 20 weeks, 1 day, 1 hour, 5 minutes, 4 seconds.
• To count from 1 to 21,918,150,464,704 would take you about one million, seven hundred forty-two thousand, three hundred twenty-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 21918150464704 cubic inches would be around 2332.1 feet tall.

Recreational maths with 21918150464704

• 21918150464704 backwards is 40746405181912
• 21918150464704 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21918150464704's digits is 52
• More coming soon!