18813101815872

Names of 18813101815872

• Cardinal: 18813101815872 can be written as Eighteen trillion, eight hundred thirteen billion, one hundred one million, eight hundred fifteen thousand, eight hundred seventy-two.

Scientific notation

• Scientific notation: 1.8813101815872 × 10¹³

Factors of 18813101815872

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 137451

Divisors of 18813101815872

• Number of divisors d(n): 672
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 13 14 16 18 21 24 26 27 28 32 36 39 42 48 52 54 56 63 64 67 72 78 84 91 96 104 108 112 117 126 134 144 156 168 169 182 189 192 201 208 216 224 234 252 268 273 288 312 336 338 351 364 378 402 416 432 448 468 469 504 507 536 546 576 603 624 672 676 702 728 756 804 819 832 864 871 936 938 1008 1014 1072 1092 1183 1206 1248 1344 1352 1404 1407 1456 1512 1521 1608 1638 1728 1742 1809 1872 1876 2016 2028 2144 2184 2366 2412 2457 2496 2613 2704 2808 2814 2912 3024 3042 3216 3276 3484 3549 3618 3744 3752 4032 4056 4221 4288 4368 4563 4732 4824 4914 5226 5408 5616 5628 5824 6048 6084 6097 6432 6552 6968 7098 7236 7488 7504 7839 8112 8442 8736 9126 9464 9648 9828 10452 10647 10816 11232 11256 11323 12096 12168 12194 12663 12864 13104 13936 14196 14472 15008 15678 16224 16884 17472 18252 18291 18928 19296 19656 20904 21294 22464 22512 22646 23517 24336 24388 25326 26208 27872 28392 28944 30016 31356 31941 32448 33768 33969 36504 36582 37856 38592 39312 41808 42588 45024 45292 47034 48672 48776 50652 52416 54873 55744 56784 57888 62712 63882 67536 67938 73008 73164 75712 78624 79261 83616 85176 90048 90584 94068 97344 97552 101304 101907 109746 113568 115776 125424 127764 135072 135876 137359 146016 146328 157248 158522 164619 167232 170352 181168 188136 195104 202608 203814 219492 227136 237783 250848 255528 270144 271752 274718 292032 292656 305721 317044 329238 340704 362336 376272 390208 405216 407628 412077 438984 475566 501696 511056 543504 549436 585312 611442 634088 658476 681408 713349 724672 752544 810432 815256 824154 877968 951132 961513 1022112 1087008 1098872 1170624 1222884 1236231 1268176 1316952 1426698 1505088 1630512 1648308 1755936 1785667 1902264 1923026 2044224 2140047 2174016 2197744 2445768 2472462 2536352 2633904 2853396 2884539 3261024 3296616 3511872 3571334 3708693 3804528 3846052 4280094 4395488 4891536 4944924 5072704 5267808 5357001 5706792 5769078 6522048 6593232 7142668 7417386 7609056 7692104 8560188 8653617 8790976 9203053 9783072 9889848 10535616 10714002 11413584 11538156 12499669 13186464 14285336 14834772 15218112 15384208 16071003 17120376 17307234 18406106 19566144 19779696 21428004 22827168 23076312 23213671 24999338 25960851 26372928 27609159 28570672 29669544 30768416 32142006 34240752 34614468 36812212 37499007 39559392 42856008 45654336 46152624 46427342 48213009 49998676 51921702 55218318 57141344 59339088 61536832 64284012 64421371 68481504 69228936 69641013 73624424 74998014 79118784 82827477 85712016 92305248 92854684 96426018 99997352 103843404 110436636 112497021 114282688 118678176 119639689 128568024 128842742 136963008 138457872 139282026 147248848 149996028 162495697 165654954 171424032 184610496 185709368 192852036 193264113 199994704 207686808 208923039 220873272 224994042 237356352 239279378 248482431 257136048 257685484 276915744 278564052 294497696 299992056 324991394 331309908 337491063 342848064 358919067 371418736 385704072 386528226 399989408 415373616 417846078 441746544 449988084 478558756 487487091 496964862 514272096 515370968 553831488 557128104 579792339 588995392 599984112 626769117 649982788 662619816 674982126 717838134 742837472 771408144 773056452 799978816 830747232 835692156 837477823 883493088 899976168 957117512 974974182 993929724 1028544192 1030741936 1076757201 1114256208 1159584678 1199968224 1253538234 1299965576 1325239632 1349964252 1435676268 1462461273 1485674944 1542816288 1546112904 1555315957 1661494464 1671384312 1674955646 1739377017 1766986176 1799952336 1914235024 1949948364 1987859448 2061483872 2153514402 2228512416 2319169356 2399936448 2507076468 2512433469 2599931152 2650479264 2699928504 2871352536 2924922546 3085632576 3092225808 3110631914 3230271603 3342768624 3349911292 3478754034 3599904672 3828470048 3899896728 3975718896 4122967744 4307028804 4387383819 4457024832 4638338712 4665947871 5014152936 5024866938 5199862304 5300958528 5399857008 5742705072 5849845092 6184451616 6221263828 6460543206 6685537248 6699822584 6957508068 7199809344 7537300407 7656940096 7799793456 7951437792 8614057608 8774767638 9276677424 9331895742 10028305872 10049733876 10399724608 10799714016 10887211699 11485410144 11699690184 12368903232 12442527656 12921086412 13371074496 13399645168 13915016136 13997843613 15074600814 15599586912 15902875584 17228115216 17549535276 18553354848 18663791484 20056611744 20099467752 21599428032 21774423398 22611901221 22970820288 23399380368 24885055312 25842172824 26799290336 27830032272 27995687226 30149201628 31199173824 32661635097 34456230432 35099070552 37106709696 37327582968 40113223488 40198935504 41993530839 43548846796 45223802442 46798760736 49770110624 51684345648 53598580672 55660064544 55991374452 60298403256 65323270194 68912460864 70198141104 74655165936 80397871008 83987061678 87097693592 90447604884 93597521472 97984905291 99540221248 103368691296 111320129088 111982748904 120596806512 130646540388 140396282208 149310331872 160795742016 167974123356 174195387184 180895209768 195969810582 206737382592 223965497808 241193613024 261293080776 280792564416 293954715873 298620663744 335948246712 348390774368 361790419536 391939621164 447930995616 482387226048 522586161552 587909431746 671896493424 696781548736 723580839072 783879242328 895861991232 1045172323104 1175818863492 1343792986848 1447161678144 1567758484656 2090344646208 2351637726984 2687585973696 3135516969312 4703275453968 6271033938624 9406550907936 18813101815872
• Sum of all divisors σ(n): 69466270617600
• Sum of proper divisors (its aliquot sum) s(n): 50653168801728
• 18813101815872 is an abundant number, because the sum of its proper divisors (50653168801728) is greater than itself. Its abundance is 31840066985856

Bases of 18813101815872

• Binary: 100010001110001000100010000000011100001000000₂
• Hexadecimal: 0x111C44403840
• Base-36: 6O2MB2XC0

Squares and roots of 18813101815872

• 18813101815872 squared (18813101815872²) is 353932799934366343791120384
• 18813101815872 cubed (18813101815872³) is 6658573801141888744794408328899753934848
• The square root of 18813101815872 is 4337407.2688499059
• The cube root of 18813101815872 is 26596.2333859897

Scales and comparisons

• 18,813,101,815,872 seconds is equal to 598,198 years, 23 weeks, 23 hours, 31 minutes, 12 seconds.
• To count from 1 to 18,813,101,815,872 would take you about one million, four hundred ninety-five thousand, four hundred ninety-six 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 18813101815872 cubic inches would be around 2216.4 feet tall.

Recreational maths with 18813101815872

• 18813101815872 backwards is 27851810131881
• 18813101815872 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18813101815872's digits is 54
• More coming soon!