81342219537072

Names of 81342219537072

• Cardinal: 81342219537072 can be written as Eighty-one trillion, three hundred forty-two billion, two hundred nineteen million, five hundred thirty-seven thousand and seventy-two.

Scientific notation

• Scientific notation: 8.1342219537072 × 10¹³

Factors of 81342219537072

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1369

Divisors of 81342219537072

• Number of divisors d(n): 540
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 16 18 24 26 29 31 36 39 48 52 58 62 72 78 87 93 104 116 117 124 144 156 174 186 208 232 234 248 261 279 312 348 372 377 403 464 468 496 522 558 624 696 744 754 806 841 899 936 1044 1116 1131 1209 1291 1392 1488 1508 1612 1682 1798 1872 2088 2232 2262 2418 2523 2582 2697 3016 3224 3364 3393 3596 3627 3873 4176 4464 4524 4836 5046 5164 5394 6032 6448 6728 6786 7192 7254 7569 7746 8091 9048 9672 10092 10328 10788 10933 11619 11687 13456 13572 14384 14508 15138 15492 16182 16783 18096 19344 20184 20656 21576 21866 23238 23374 26071 27144 29016 30276 30984 32364 32799 33566 35061 37439 40021 40368 43152 43732 46476 46748 50349 52142 54288 58032 60552 61968 64728 65598 67132 70122 74878 78213 80042 87464 92952 93496 98397 100698 104284 105183 112317 120063 121104 129456 131196 134264 140244 149756 151047 156426 160084 174928 185904 186992 196794 201396 208568 210366 224634 234639 240126 262392 268528 280488 299512 302094 312852 320168 336951 338923 360189 393588 402792 417136 420732 449268 469278 480252 486707 520273 524784 560976 599024 604188 625704 640336 673902 677846 720378 787176 805584 841464 898536 938556 960504 973414 1016769 1040546 1085731 1160609 1208376 1251408 1347804 1355692 1440756 1460121 1560819 1574352 1666681 1682928 1797072 1877112 1921008 1946828 2033538 2081092 2171462 2321218 2416752 2695608 2711384 2881512 2920242 3050307 3121638 3257193 3333362 3481827 3754224 3893656 4067076 4162184 4342924 4380363 4642436 4682457 5000043 5391216 5422768 5763024 5840484 6100614 6243276 6514386 6666724 6963654 7787312 8134152 8324368 8685848 8760726 9284872 9364914 9771579 10000086 10445481 11680968 12201228 12486552 13028772 13333448 13927308 14114503 15000129 15087917 16268304 17371696 17521452 18569744 18729828 19543158 20000172 20890962 21666853 23361936 24402456 24973104 26057544 26666896 27854616 28229006 30000258 30175834 33657661 35042904 37459656 39086316 40000344 41781924 42343509 43333706 45263751 48333749 48804912 51667111 52115088 55709232 56458012 60000516 60351668 65000559 67315322 70085808 74919312 78172632 80000688 83563848 84687018 86667412 90527502 96667498 100972983 103334222 112916024 120001032 120703336 127030527 130001118 134630644 135791253 145001247 155001333 156345264 167127696 169374036 173334824 181055004 193334996 195001677 201945966 206668444 225832048 240002064 241406672 254061054 260002236 269261288 271582506 290002494 302918949 310002666 338748072 346669648 362110008 386669992 390003354 403891932 413336888 435003741 437549593 465003999 508122108 520004472 538522576 543165012 580004988 605837898 620005332 628338737 671672443 677496144 724220016 773339984 780006708 807783864 826673776 870007482 875099186 930007998 1016244216 1040008944 1086330024 1160009976 1211675796 1240010664 1256677474 1312648779 1343344886 1401678721 1498346219 1560013416 1615567728 1740014964 1750198372 1860015996 1885016211 2015017329 2032488432 2172660048 2320019952 2423351592 2480021328 2513354948 2625297558 2686689772 2803357442 2996692438 3120026832 3480029928 3500396744 3720031992 3770032422 3937946337 4030034658 4205036163 4495038657 4846703184 5026709896 5250595116 5373379544 5606714884 5655048633 5993384876 6045051987 6960059856 7000793488 7440063984 7540064844 7875892674 8060069316 8410072326 8990077314 10053419792 10501190232 10746759088 11213429768 11310097266 11986769752 12090103974 12615108489 13485115971 15080129688 15751785348 16120138632 16820144652 17980154628 18221823373 19478500847 21002380464 22426859536 22620194532 23973539504 24180207948 25230216978 26970231942 30160259376 31503570696 32240277264 33640289304 35960309256 36443646746 38957001694 43452040351 45240389064 48360415896 50460433956 53940463884 54665470119 58435502541 63007141392 67280578608 71920618512 72887293492 77914003388 86904080702 90480778128 96720831792 100920867912 107880927768 109330940238 116871005082 130356121053 145774586984 155828006776 163996410357 173808161404 175306507623 201841735824 215761855536 218661880476 233742010164 260712242106 291549173968 311656013552 327992820714 347616322808 350613015246 391068363159 437323760952 467484020328 521424484212 564876524563 655985641428 695232645616 701226030492 782136726318 874647521904 934968040656 1042848968424 1129753049126 1311971282856 1402452060984 1564273452636 1694629573689 2085697936848 2259506098252 2623942565712 2804904121968 3128546905272 3389259147378 4519012196504 5083888721067 6257093810544 6778518294756 9038024393008 10167777442134 13557036589512 20335554884268 27114073179024 40671109768536 81342219537072
• Sum of all divisors σ(n): 262295132578752
• Sum of proper divisors (its aliquot sum) s(n): 180952913041680
• 81342219537072 is an abundant number, because the sum of its proper divisors (180952913041680) is greater than itself. Its abundance is 99610693504608

Bases of 81342219537072

• Binary: 10010011111101011110110000110011100101010110000₂
• Hexadecimal: 0x49FAF619CAB0
• Base-36: SU03LBGS0

Squares and roots of 81342219537072

• 81342219537072 squared (81342219537072²) is 6616556679217217773982333184
• 81342219537072 cubed (81342219537072³) is 538205405980367005562513032292134943797248
• The square root of 81342219537072 is 9018992.1575014135
• The cube root of 81342219537072 is 43328.3355676049

Scales and comparisons

• 81,342,219,537,072 seconds is equal to 2,586,430 years, 50 weeks, 4 days, 6 hours, 31 minutes, 12 seconds.
• To count from 1 to 81,342,219,537,072 would take you about six million, four hundred sixty-six thousand and seventy-seven 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 81342219537072 cubic inches would be around 3610.7 feet tall.

Recreational maths with 81342219537072

• 81342219537072 backwards is 27073591224318
• The number of decimal digits it has is: 14
• The sum of 81342219537072's digits is 54
• More coming soon!