81334663297648704

Names of 81334663297648704

• Cardinal: 81334663297648704 can be written as Eighty-one quadrillion, three hundred thirty-four trillion, six hundred sixty-three billion, two hundred ninety-seven million, six hundred forty-eight thousand, seven hundred four.

Scientific notation

• Scientific notation: 8.1334663297648704 × 10¹⁶

Factors of 81334663297648704

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 5500788

Divisors of 81334663297648704

• Number of divisors d(n): 280
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 31 32 36 48 54 62 64 72 81 93 96 108 124 144 162 186 192 216 248 279 288 324 372 432 496 558 576 648 744 837 864 992 1116 1296 1488 1674 1728 1984 2232 2511 2592 2976 3348 4464 5022 5184 5952 6696 8928 10044 13392 17856 20088 26784 40176 53568 80352 93601 160704 187202 280803 374404 561606 748808 842409 1123212 1497616 1684818 2246424 2527227 2901631 2995232 3369636 4492848 5054454 5407151 5803262 5990464 6739272 7581681 8704893 8985696 10108908 10814302 11606524 13478544 15163362 16221453 17409786 17971392 20217816 21628604 23213048 26114679 26957088 30326724 32442906 34819572 40435632 43257208 46426096 48664359 52229358 53914176 60653448 64885812 69639144 78344037 80871264 86514416 92852192 97328718 104458716 121306896 129771624 139278288 145993077 156688074 161742528 167621681 173028832 185704384 194657436 208917432 235032111 242613792 259543248 278556576 291986154 313376148 335243362 346057664 389314872 417834864 437979231 470064222 485227584 502865043 519086496 557113152 583972308 626752296 670486724 778629744 835669728 875958462 940128444 1005730086 1038172992 1167944616 1253504592 1340973448 1508595129 1557259488 1671339456 1751916924 1880256888 2011460172 2335889232 2507009184 2681946896 3017190258 3114518976 3503833848 3760513776 4022920344 4525785387 4671778464 5014018368 5363893792 6034380516 7007667696 7521027552 8045840688 9051570774 9343556928 10727787584 12068761032 13577356161 14015335392 15042055104 16091681376 18103141548 24137522064 27154712322 28030670784 32183362752 36206283096 48275044128 54309424644 72412566192 96550088256 108618849288 144825132384 217237698576 289650264768 434475397152 506114740751 868950794304 1012229481502 1518344222253 2024458963004 3036688444506 4048917926008 4555032666759 6073376889012 8097835852016 9110065333518 12146753778024 13665098000277 15689556963281 16195671704032 18220130667036 24293507556048 27330196000554 31379113926562 32391343408064 36440261334072 40995294000831 47068670889843 48587015112096 54660392001108 62758227853124 72880522668144 81990588001662 94137341779686 97174030224192 109320784002216 125516455706248 141206012669529 145761045336288 163981176003324 188274683559372 218641568004432 251032911412496 282412025339058 291522090672576 327962352006648 376549367118744 423618038008587 437283136008864 502065822824992 564824050678116 655924704013296 753098734237488 847236076017174 874566272017728 1004131645649984 1129648101356232 1270854114025761 1311849408026592 1506197468474976 1694472152034348 2259296202712464 2541708228051522 2623698816053184 3012394936949952 3388944304068696 4518592405424928 5083416456103044 6777888608137392 9037184810849856 10166832912206088 13555777216274784 20333665824412176 27111554432549568 40667331648824352 81334663297648704
• Sum of all divisors σ(n): 248881592038142976
• Sum of proper divisors (its aliquot sum) s(n): 167546928740494272
• 81334663297648704 is an abundant number, because the sum of its proper divisors (167546928740494272) is greater than itself. Its abundance is 86212265442845568

Bases of 81334663297648704

• Binary: 100100000111101010111001000000001110010000100100001000000₂
• Hexadecimal: 0x120F57201C84840
• Base-36: M8UQCHSN800

Squares and roots of 81334663297648704

• 81334663297648704 squared (81334663297648704²) is 6615327453741883153048254992879616
• 81334663297648704 cubed (81334663297648704³) is 538055431053787798380448713608177715021554930417664
• The square root of 81334663297648704 is 285192326.8561913887
• The cube root of 81334663297648704 is 433269.9387232629

Scales and comparisons

• 81,334,663,297,648,704 seconds is equal to 2,586,190,708 years, 12 weeks, 20 hours, 38 minutes, 24 seconds.
• To count from 1 to 81,334,663,297,648,704 would take you about seven billion, seven hundred fifty-eight million, five hundred seventy-two thousand, one hundred twenty-four 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 81334663297648704 cubic inches would be around 36105.8 feet tall.

Recreational maths with 81334663297648704

• 81334663297648704 backwards is 40784679236643318
• 81334663297648704 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 81334663297648704's digits is 81
• More coming soon!