18968772571749

Names of 18968772571749

• Cardinal: 18968772571749 can be written as Eighteen trillion, nine hundred sixty-eight billion, seven hundred seventy-two million, five hundred seventy-one thousand, seven hundred forty-nine.

Scientific notation

• Scientific notation: 1.8968772571749 × 10¹³

Factors of 18968772571749

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 414

Divisors of 18968772571749

• Number of divisors d(n): 540
• Complete list of divisors:
  1 3 7 9 11 13 21 27 33 39 63 73 77 81 91 99 117 121 143 169 189 219 231 273 297 307 351 363 429 507 511 567 657 693 803 819 847 891 921 949 1001 1053 1089 1183 1287 1521 1533 1573 1859 1971 2079 2149 2409 2457 2541 2763 2847 3003 3267 3377 3549 3861 3991 4563 4599 4719 5329 5577 5621 5913 6237 6447 6643 7227 7371 7623 8289 8541 8833 9009 9801 10131 10439 10647 11011 11583 11973 12337 13013 13689 13797 14157 15987 16731 16863 19341 19929 20449 21681 22411 22869 23639 24867 25623 26499 27027 27937 30393 31317 31941 33033 35919 37011 37147 37303 39039 41391 42471 43901 47961 50193 50589 51883 58023 58619 59787 61347 61831 65043 67233 68607 69277 70917 73073 76869 79497 81081 83811 86359 91179 93951 95823 99099 107757 111033 111441 111909 114829 117117 127413 131703 135707 143143 143883 150579 151767 155649 156877 174069 175857 179361 184041 185493 201699 207831 212751 219219 238491 246521 251433 259077 260029 273537 281853 291343 297297 307307 323271 333099 334323 335727 344487 351351 363181 395109 407121 410333 429429 431649 455301 466947 470631 482911 484939 527571 538083 552123 556479 570713 605097 623493 638253 644809 657657 715473 739563 754299 762047 777231 780087 803803 845559 874029 891891 900601 921921 949949 999297 1002969 1007181 1033461 1054053 1089543 1185327 1221363 1230999 1288287 1400841 1411893 1448733 1454817 1492777 1582713 1636003 1656369 1669437 1712139 1725647 1815291 1870479 1914759 1934427 1972971 2039401 2218689 2262897 2286141 2331693 2340261 2411409 2622087 2701803 2711731 2765763 2849847 3008907 3021543 3100383 3204773 3268629 3380377 3555981 3664089 3692997 3787459 3864861 3994991 4202523 4235679 4346199 4364451 4478331 4513663 4748139 4908009 5008311 5136417 5176941 5334329 5611437 5803281 5918913 6118203 6277843 6304207 6656067 6858423 6995079 7020783 7234227 7866261 8105409 8135193 8297289 8382517 8549541 9301149 9614319 9805887 9906611 10141131 10449439 10992267 11078991 11362377 11452021 11594583 11984973 12707037 13038597 13093353 13434993 13540989 14724027 15409251 15530823 16002987 17409843 17996033 18354609 18833529 18912621 18982117 19968201 20575269 21062349 21268039 21702681 22433411 23598783 24316227 24405579 24891867 25147551 25648623 26512213 28842957 29417661 29719833 30423393 31348317 33236973 34087131 34356063 35252503 35954919 39115791 39280059 40304979 40622967 41662049 43944901 44172081 46227753 46592469 48008961 52229529 53988099 55063827 56500587 56737863 56946351 58677619 61725807 63804117 65108043 67300233 69346277 72948681 73216737 75442653 76945869 79536639 86528871 89159499 91270179 94044951 102261393 103068189 105757509 107864757 108972721 120914937 121868901 124986147 125972231 131834703 132516243 139777407 144026883 148876273 161964297 165191481 169501761 170213589 170839053 176032857 191412351 197956363 201900699 208038831 219650211 226327959 233948429 238609917 246767521 259586613 267478497 273810537 276484507 282134853 291634343 306784179 309204567 317272527 323594271 326918163 365606703 374958441 377916693 395504109 432080649 446628819 458282539 485892891 508505283 510640767 512517159 528098571 574237053 593869089 605702097 624116493 678983877 701845287 715829751 740302563 762809047 802435491 829453521 846404559 874903029 927613701 951817581 980754489 1124875323 1133750079 1186512327 1339886457 1374847617 1385694541 1457678673 1537551477 1584295713 1637639003 1722711159 1781607267 1817106291 1872349479 1935391549 2105535861 2147489253 2220907689 2288427141 2488360563 2573432719 2624709087 2855452743 2942263467 3041329577 3207977773 3374625969 3401250237 3559536981 4019659371 4124542851 4157083623 4752887139 4912917009 5344821801 5617048437 5806174647 6316607583 6662723067 6865281423 7465081689 7720298157 7874127261 8826790401 9123988731 9623933319 10203750711 12058978113 12373628553 12471250869 14738751027 16034465403 17418523941 18014029033 18949822749 19988169201 20595844269 21289307039 22395245067 23160894471 23622381783 27371966193 28871799957 33454625347 37120885659 37413752607 44216253081 52255571823 54042087099 61787532807 63867921117 69482683413 82115898579 86615399871 100363876041 112241257821 132648759243 156766715469 162126261297 191603763351 208448050239 234182377429 246347695737 259846199613 301091628123 486378783891 574811290053 702547132287 903274884369 1459136351673 1724433870159 2107641396861 2709824653107 6322924190583 18968772571749
• Sum of all divisors σ(n): 39207014386848
• Sum of proper divisors (its aliquot sum) s(n): 20238241815099
• 18968772571749 is an abundant number, because the sum of its proper divisors (20238241815099) is greater than itself. Its abundance is 1269469243350

Bases of 18968772571749

• Binary: 100010100000010000010111100110111001001100101₂
• Hexadecimal: 0x114082F37265
• Base-36: 6Q24TFHB9

Squares and roots of 18968772571749

• 18968772571749 squared (18968772571749²) is 359814332878737171352919001
• 18968772571749 cubed (18968772571749³) is 6825236248432354060403551048296857902749
• The square root of 18968772571749 is 4355315.4388343675
• The cube root of 18968772571749 is 26669.3896427283

Scales and comparisons

• 18,968,772,571,749 seconds is equal to 603,148 years, 15 weeks, 1 day, 20 hours, 9 minutes, 9 seconds.
• To count from 1 to 18,968,772,571,749 would take you about one million, five hundred seven thousand, eight hundred seventy 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 18968772571749 cubic inches would be around 2222.4 feet tall.

Recreational maths with 18968772571749

• 18968772571749 backwards is 94717527786981
• 18968772571749 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18968772571749's digits is 81
• More coming soon!