21518973576768

Names of 21518973576768

• Cardinal: 21518973576768 can be written as Twenty-one trillion, five hundred eighteen billion, nine hundred seventy-three million, five hundred seventy-six thousand, seven hundred sixty-eight.

Scientific notation

• Scientific notation: 2.1518973576768 × 10¹³

Factors of 21518973576768

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 143

Divisors of 21518973576768

• Number of divisors d(n): 896
• Complete list of divisors:
  1 2 3 4 6 8 12 16 17 19 23 24 32 34 38 46 48 51 57 64 68 69 76 79 92 96 102 114 136 138 152 158 184 192 204 228 237 272 276 304 316 323 361 368 391 408 437 456 474 529 544 552 608 632 646 722 736 782 816 874 912 948 969 1058 1083 1088 1104 1173 1216 1264 1292 1311 1343 1444 1472 1501 1564 1587 1632 1748 1817 1824 1896 1938 2116 2166 2208 2346 2528 2584 2622 2686 2888 3002 3128 3174 3264 3496 3634 3648 3792 3876 4029 4232 4332 4416 4503 4692 5056 5168 5244 5372 5451 5776 6004 6137 6256 6348 6859 6992 7268 7429 7584 7752 8058 8303 8464 8664 8993 9006 9384 10051 10336 10488 10744 10902 11552 12008 12167 12274 12512 12696 13718 13984 14536 14858 15168 15504 16116 16606 16928 17328 17986 18012 18411 18768 20102 20577 20672 20976 21488 21804 22287 23104 24016 24334 24548 24909 25024 25392 25517 26979 27436 27968 28519 29072 29716 30153 30889 31008 32232 33212 33856 34523 34656 35972 36024 36501 36822 37536 40204 41154 41791 41952 42976 43608 44574 48032 48668 49096 49818 50784 51034 53958 54872 57038 58144 59432 60306 61778 62016 64464 66424 69046 69312 71944 72048 73002 73644 75072 76551 80408 82308 83582 83904 85557 85952 87216 89148 92667 96064 97336 98192 99636 101568 102068 103569 107916 109744 114076 116288 116603 118864 120612 123556 125373 128928 132848 138092 141151 143888 144096 146004 147288 153102 157757 160816 164616 167164 170867 171114 174432 178296 185334 190969 194672 196384 199272 204136 206839 207138 215832 219488 228152 231173 233206 237728 241224 247112 250746 257856 265696 276184 282302 287776 288192 292008 294576 306204 315514 321632 329232 334328 341734 342228 348864 349809 356592 370668 381938 389344 392768 398544 408272 413678 414276 423453 431664 438976 456304 462346 466412 473271 475456 482448 484823 494224 501492 512601 531392 541861 552368 564604 572907 575552 584016 586891 589152 612408 620517 631028 643264 655937 658464 668656 683468 684456 693519 699618 710447 713184 741336 763876 778688 794029 797088 816544 827356 828552 846906 863328 912608 924692 932824 946542 961193 964896 969646 988448 1002984 1025202 1083722 1104736 1129208 1145814 1168032 1173782 1178304 1224816 1241034 1262056 1311874 1316928 1337312 1366936 1368912 1387038 1399236 1420894 1426368 1454469 1482672 1527752 1588058 1594176 1625583 1633088 1654712 1657104 1693812 1726656 1760673 1825216 1849384 1865648 1893084 1922386 1929792 1939292 1967811 1976896 2005968 2050404 2131341 2167444 2209472 2258416 2291628 2336064 2347564 2382087 2449632 2482068 2524112 2623748 2674624 2681869 2733872 2737824 2774076 2798472 2841788 2883579 2908938 2965344 3055504 3176116 3246473 3251166 3309424 3314208 3387624 3521346 3628411 3698768 3731296 3786168 3844772 3878584 3929941 3935622 4011936 4100808 4262682 4334888 4392287 4516832 4583256 4695128 4764174 4899264 4964136 5048224 5247496 5363738 5467744 5475648 5548152 5596944 5683576 5767158 5817876 5930688 6111008 6352232 6492946 6502332 6618848 6628416 6775248 7042692 7256822 7397536 7462592 7572336 7689544 7757168 7859882 7871244 8023872 8045607 8201616 8525364 8669776 8784574 9033664 9166512 9211637 9390256 9528348 9739419 9928272 10096448 10494992 10727476 10885233 10935488 11096304 11150929 11193888 11367152 11534316 11635752 11789823 12222016 12462803 12704464 12985892 13004664 13176861 13237696 13498493 13550496 14085384 14513644 14795072 15086551 15144672 15379088 15514336 15719764 15742488 16091214 16340281 16403232 17050728 17339552 17569148 18262667 18333024 18423274 18780512 19056696 19478838 19856544 20989984 21454952 21770466 22192608 22301858 22387776 22734304 23068632 23271504 23579646 24925606 25408928 25971784 26009328 26353722 26996986 27100992 27634911 28170768 29027288 30173102 30289344 30758176 31028672 31439528 31484976 32182428 32680562 32806464 33452787 34101456 34679104 35138296 36525334 36666048 36846548 37388409 37561024 38113392 38957676 39713088 40495479 41979968 42909904 43540932 44385216 44603716 45259653 45468608 46137264 46543008 47159292 49020843 49851212 50817856 51943568 52018656 52707444 53993972 54788001 55269822 56341536 58054576 60346204 61516352 61682987 62879056 62969952 64364856 65361124 66905574 68202912 70276592 73050668 73693096 74668879 74776818 76226784 77915352 80990958 83453453 85819808 87081864 89207432 90519306 92274528 93086016 94318584 98041686 99702424 103887136 104037312 105414888 107987944 109576002 110539644 112683072 116109152 120692408 123365974 125758112 125939904 128729712 130722248 133811148 136405824 140553184 146101336 147386192 149337758 149553636 152453568 155830704 161981916 166906906 171639616 174163728 178414864 181038612 184549056 185048961 188637168 196083372 199404848 207774272 210829776 211867651 215975888 219152004 221079288 224006637 232218304 241384816 246731948 250360359 251516224 256471367 257459424 261444496 267622296 281106368 286644469 292202672 294772384 298675516 299107272 310465339 311661408 323963832 333813812 346990673 348327456 356829728 362077224 370097922 377274336 392166744 398809696 421659552 423735302 431951776 438304008 442158576 448013274 482769632 493463896 500720718 512942734 514918848 522888992 535244592 573288938 584405344 589544768 597351032 598214544 620930678 623322816 635602953 647927664 667627624 693981346 696654912 713659456 724154448 740195844 754548672 769414101 784333488 797619392 843319104 847470604 859933407 863903552 876608016 884317152 896026548 931396017 965539264 986927792 1001441436 1025885468 1040972019 1045777984 1070489184 1146577876 1168810688 1194702064 1196429088 1241861356 1271205906 1295855328 1335255248 1387962692 1418708701 1448308896 1480391688 1538828202 1568666976 1694941208 1719866814 1753216032 1768634304 1792053096 1862792034 1973855584 2002882872 2051770936 2081944038 2140978368 2293155752 2389404128 2392858176 2483722712 2542411812 2591710656 2670510496 2775925384 2837417402 2896617792 2960783376 3077656404 3137333952 3389882416 3439733628 3506432064 3584106192 3725584068 3947711168 4005765744 4103541872 4163888076 4256126103 4586311504 4778808256 4872955973 4967445424 5084823624 5341020992 5551850768 5674834804 5898841441 5921566752 6155312808 6592822787 6779764832 6879467256 7168212384 7451168136 8011531488 8207083744 8327776152 8512252206 9172623008 9745911946 9934890848 10169647248 11103701536 11349669608 11797682882 11843133504 12310625616 13185645574 13559529664 13758934512 14336424768 14618867919 14902336272 16023062976 16414167488 16655552304 17024504412 17696524323 18345246016 19491823892 19778468361 19869781696 20339294496 22207403072 22699339216 23595365764 24621251232 26371291148 27517869024 29237735838 29804672544 33311104608 34049008824 35393048646 38983647784 39556936722 40678588992 45398678432 47190731528 49242502464 52742582296 55035738048 58475471676 59609345088 66622209216 68098017648 70786097292 77967295568 79113873444 90797356864 94381463056 105485164592 112077987379 116950943352 136196035296 141572194584 155934591136 158227746888 188762926112 210970329184 224155974758 233901886704 272392070592 283144389168 311869182272 316455493776 336233962137 377525852224 421940658368 448311949516 467803773408 566288778336 632910987552 672467924274 896623899032 935607546816 1132577556672 1265821975104 1344935848548 1793247798064 2689871697096 3586495596128 5379743394192 7172991192256 10759486788384 21518973576768
• Sum of all divisors σ(n): 67367725056000
• Sum of proper divisors (its aliquot sum) s(n): 45848751479232
• 21518973576768 is an abundant number, because the sum of its proper divisors (45848751479232) is greater than itself. Its abundance is 24329777902464

Bases of 21518973576768

• Binary: 100111001001001000110110001101010011001000000₂
• Hexadecimal: 0x139246C6A640
• Base-36: 7MLOH9IDC

Squares and roots of 21518973576768

• 21518973576768 squared (21518973576768²) is 463066223797639371189325824
• 21518973576768 cubed (21518973576768³) is 9964709834195138859676945136983828856832
• The square root of 21518973576768 is 4638854.7699586371
• The cube root of 21518973576768 is 27814.6660950715

Scales and comparisons

• 21,518,973,576,768 seconds is equal to 684,236 years, 41 weeks, 3 days, 4 hours, 12 minutes, 48 seconds.
• To count from 1 to 21,518,973,576,768 would take you about one million, seven hundred ten thousand, five hundred ninety-one 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 21518973576768 cubic inches would be around 2317.9 feet tall.

Recreational maths with 21518973576768

• 21518973576768 backwards is 86767537981512
• The number of decimal digits it has is: 14
• The sum of 21518973576768's digits is 75
• More coming soon!