81727134921216

Names of 81727134921216

• Cardinal: 81727134921216 can be written as Eighty-one trillion, seven hundred twenty-seven billion, one hundred thirty-four million, nine hundred twenty-one thousand, two hundred sixteen.

Scientific notation

• Scientific notation: 8.1727134921216 × 10¹³

Factors of 81727134921216

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 21
• Sum of prime factors: 399

Divisors of 81727134921216

• Number of divisors d(n): 720
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 41 48 54 64 72 81 82 96 108 123 128 144 162 164 192 216 243 246 256 288 324 328 353 369 384 432 486 492 512 576 648 656 706 729 738 768 864 972 984 1059 1107 1152 1296 1312 1412 1458 1476 1536 1681 1728 1944 1968 2118 2187 2214 2304 2592 2624 2824 2916 2952 3177 3321 3362 3456 3888 3936 4236 4374 4428 4608 5043 5184 5248 5648 5832 5904 6354 6561 6642 6724 6912 7776 7872 8472 8748 8856 9531 9963 10086 10368 10496 11296 11664 11808 12708 13122 13284 13448 13824 14473 15129 15552 15744 16944 17496 17712 19062 19926 20172 20736 20992 22592 23328 23616 25416 26244 26568 26896 28593 28946 29889 30258 31104 31488 33888 34992 35424 38124 39852 40344 41472 43419 45184 45387 46656 47232 50832 52488 53136 53792 57186 57892 59778 60516 62208 62976 67776 68921 69984 70848 76248 79704 80688 85779 86838 89667 90368 90774 93312 94464 101664 104976 106272 107584 114372 115784 119556 121032 124416 130257 135552 136161 137842 139968 141696 152496 159408 161376 171558 173676 179334 180736 181548 186624 188928 203328 206763 209952 212544 215168 228744 231568 239112 242064 257337 260514 269001 271104 272322 275684 279936 283392 304992 318816 322752 343116 347352 358668 363096 373248 390771 406656 408483 413526 419904 425088 430336 457488 463136 478224 484128 514674 521028 538002 542208 544644 551368 559872 566784 593393 609984 620289 637632 645504 686232 694704 717336 726192 772011 781542 813312 816966 827052 839808 850176 860672 914976 926272 956448 968256 1029348 1042056 1076004 1089288 1102736 1119744 1172313 1186786 1219968 1225449 1240578 1275264 1291008 1372464 1389408 1434672 1452384 1544022 1563084 1626624 1633932 1654104 1679616 1700352 1780179 1829952 1852544 1860867 1912896 1936512 2058696 2084112 2152008 2178576 2205472 2316033 2344626 2373572 2439936 2450898 2481156 2550528 2582016 2744928 2778816 2869344 2904768 3088044 3126168 3267864 3308208 3359232 3516939 3560358 3659904 3676347 3705088 3721734 3825792 3873024 4117392 4168224 4304016 4357152 4410944 4632066 4689252 4747144 4879872 4901796 4962312 5101056 5340537 5489856 5557632 5582601 5738688 5809536 6176088 6252336 6535728 6616416 7033878 7120716 7319808 7352694 7410176 7443468 7651584 7746048 8234784 8336448 8608032 8714304 8821888 9264132 9378504 9494288 9803592 9924624 10550817 10681074 10979712 11029041 11115264 11165202 11477376 11619072 12352176 12504672 13071456 13232832 14067756 14241432 14639616 14705388 14886936 15303168 16021611 16469568 16672896 16747803 17216064 17428608 17643776 18528264 18757008 18988576 19607184 19849248 21101634 21362148 21959424 22058082 22230528 22330404 22954752 23238144 24329113 24704352 25009344 26142912 26465664 28135512 28482864 29410776 29773872 31652451 32043222 32939136 33345792 33495606 34432128 34857216 35287552 37056528 37514016 37977152 39214368 39698496 42203268 42724296 43918848 44116164 44660808 45909504 48064833 48658226 49408704 50018688 50243409 52285824 52931328 56271024 56965728 58821552 59547744 63304902 64086444 65878272 66691584 66991212 68864256 69714432 72987339 74113056 75028032 75954304 78428736 79396992 84406536 85448592 88232328 89321616 94957353 96129666 97316452 98817408 100037376 100486818 104571648 105862656 112542048 113931456 117643104 119095488 126609804 128172888 131756544 133982424 137728512 144194499 145974678 148226112 150056064 150730227 151908608 156857472 158793984 168813072 170897184 176464656 178643232 189914706 192259332 194632904 197634816 200074752 200973636 209143296 218962017 225084096 227862912 235286208 238190976 253219608 256345776 267964848 288388998 291949356 296452224 300112128 301460454 303817216 313714944 317587968 337626144 341794368 352929312 357286464 379829412 384518664 389265808 395269632 401947272 432583497 437924034 450168192 452190681 455725824 470572416 476381952 506439216 512691552 535929696 576777996 583898712 592904448 600224256 602920908 627429888 656886051 675252288 683588736 705858624 714572928 759658824 769037328 778531616 803894544 865166994 875848068 900336384 904381362 911451648 941144832 952763904 1012878432 1025383104 1071859392 1153555992 1167797424 1185808896 1205841816 1297750491 1313772102 1350504576 1367177472 1411717248 1429145856 1519317648 1538074656 1557063232 1607789088 1730333988 1751696136 1800672768 1808762724 1882289664 1970658153 2025756864 2050766208 2143718784 2307111984 2335594848 2411683632 2595500982 2627544204 2701009152 2734354944 2823434496 2858291712 3038635296 3076149312 3114126464 3215578176 3460667976 3503392272 3617525448 3893251473 3941316306 4051513728 4101532416 4287437568 4614223968 4671189696 4823367264 5191001964 5255088408 5402018304 5646868992 5911974459 6077270592 6152298624 6228252928 6431156352 6921335952 7006784544 7235050896 7786502946 7882632612 8103027456 8203064832 8574875136 9228447936 9342379392 9646734528 10382003928 10510176816 11823948918 12154541184 12304597248 12456505856 12862312704 13842671904 14013569088 14470101792 15573005892 15765265224 16206054912 17735923377 18456895872 18684758784 19293469056 20764007856 21020353632 23647897836 24309082368 24609194496 25724625408 27685343808 28027138176 28940203584 31146011784 31530530448 35471846754 36913791744 37369517568 38586938112 41528015712 42040707264 47295795672 48618164736 53207770131 55370687616 56054276352 57880407168 62292023568 63061060896 70943693508 73827583488 77173876224 83056031424 84081414528 94591591344 106415540262 110741375232 112108552704 115760814336 124584047136 126122121792 141887387016 159623310393 166112062848 168162829056 189183182688 212831080524 221482750464 231521628672 249168094272 252244243584 283774774032 319246620786 332224125696 336325658112 378366365376 425662161048 498336188544 504488487168 567549548064 638493241572 664448251392 756732730752 851324322096 996672377088 1008976974336 1135099096128 1276986483144 1513465461504 1702648644192 1993344754176 2270198192256 2553972966288 3026930923008 3405297288384 4540396384512 5107945932576 6810594576768 9080792769024 10215891865152 13621189153536 20431783730304 27242378307072 40863567460608 81727134921216
• Sum of all divisors σ(n): 251763872127768
• Sum of proper divisors (its aliquot sum) s(n): 170036737206552
• 81727134921216 is an abundant number, because the sum of its proper divisors (170036737206552) is greater than itself. Its abundance is 88309602285336

Bases of 81727134921216

• Binary: 10010100101010010010100110110000111001000000000₂
• Hexadecimal: 0x4A5494D87200
• Base-36: SYWXE0000

Squares and roots of 81727134921216

• 81727134921216 squared (81727134921216²) is 6679324582430643798526918656
• 81727134921216 cubed (81727134921216³) is 545882061330903945956906441109785800605696
• The square root of 81727134921216 is 9040306.1298396307
• The cube root of 81727134921216 is 43396.5719862459

Scales and comparisons

• 81,727,134,921,216 seconds is equal to 2,598,670 years, 4 weeks, 5 days, 10 hours, 33 minutes, 36 seconds.
• To count from 1 to 81,727,134,921,216 would take you about six million, four hundred ninety-six thousand, six hundred seventy-five 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 81727134921216 cubic inches would be around 3616.4 feet tall.

Recreational maths with 81727134921216

• 81727134921216 backwards is 61212943172718
• 81727134921216 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 81727134921216's digits is 54
• More coming soon!