81338780149704

Names of 81338780149704

• Cardinal: 81338780149704 can be written as Eighty-one trillion, three hundred thirty-eight billion, seven hundred eighty million, one hundred forty-nine thousand, seven hundred four.

Scientific notation

• Scientific notation: 8.1338780149704 × 10¹³

Factors of 81338780149704

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 246

Divisors of 81338780149704

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 6 7 8 9 11 12 14 18 21 22 24 27 28 33 36 42 44 49 54 56 63 66 72 77 81 84 88 98 99 108 126 132 147 154 162 168 189 196 198 216 223 231 243 252 264 294 297 308 324 343 378 392 396 441 446 462 486 504 539 567 588 594 616 648 669 686 693 756 792 882 891 892 924 972 1029 1078 1134 1176 1188 1323 1338 1372 1386 1512 1561 1617 1701 1764 1782 1784 1848 1944 2007 2058 2079 2156 2268 2376 2453 2646 2673 2676 2744 2772 3087 3122 3234 3402 3528 3564 3773 3969 4014 4116 4158 4312 4536 4683 4851 4906 5292 5346 5352 5544 6021 6174 6237 6244 6468 6804 7128 7359 7546 7938 8028 8232 8316 9261 9366 9702 9812 10584 10692 10927 11319 11907 12042 12348 12474 12488 12936 13608 14049 14553 14718 15092 15876 16056 16632 17171 18063 18522 18711 18732 19404 19624 21384 21854 22077 22638 23814 24084 24696 24948 27783 28098 29106 29436 30184 31752 32781 33957 34342 36126 37044 37422 37464 38808 42147 43659 43708 44154 45276 47628 48168 49729 49896 51513 54189 55566 56196 58212 58872 65562 66231 67914 68684 72252 74088 74844 76489 83349 84294 87318 87416 88308 90552 95256 98343 99458 101871 103026 108378 111132 112392 116424 120197 126441 130977 131124 132462 135828 137368 144504 149187 149688 152978 154539 166698 168588 174636 176616 196686 198693 198916 203742 206052 216756 222264 229467 240394 252882 261954 262248 264924 271656 295029 298374 305613 305956 309078 333396 337176 348103 349272 360591 379323 393372 397386 397832 407484 412104 433512 447561 458934 463617 480788 505764 523908 529848 547019 590058 596079 596748 611226 611912 618156 666792 688401 696206 721182 758646 786744 794772 814968 841379 885087 895122 916839 917868 927234 961576 1011528 1044309 1047816 1081773 1094038 1180116 1192158 1193496 1222452 1236312 1342683 1376802 1390851 1392412 1442364 1517292 1589544 1641057 1682758 1770174 1790244 1833678 1835736 1854468 2065203 2088618 2163546 2188076 2360232 2384316 2436721 2444904 2524137 2655261 2685366 2753604 2781702 2784824 2884728 3034584 3132927 3245319 3282114 3365516 3540348 3580488 3667356 3708936 3829133 4028049 4130406 4172553 4177236 4327092 4376152 4768632 4873442 4923171 5048274 5310522 5370732 5507208 5563404 6195609 6265854 6490638 6564228 6731032 7080696 7310163 7334712 7572411 7658266 8056098 8260812 8345106 8354472 8654184 9398781 9735957 9746884 9846342 10096548 10621044 10741464 11089567 11126808 11487399 12084147 12391218 12531708 12981276 13128456 14620326 14769513 15144822 15316532 16112196 16521624 16690212 17057047 18586827 18797562 19471914 19493768 19692684 20193096 21242088 21930489 22179134 22717233 22974798 24168294 24782436 25063416 25962552 26803931 28196343 29207871 29240652 29539026 30289644 30633064 32224392 33268701 33380424 34114094 34462197 37173654 37595124 38943828 39385368 43860978 44308539 44358268 45434466 45949596 48336588 49564872 51171141 53607862 56392686 58415742 58481304 59078052 60579288 65791467 66537402 68151699 68228188 68924394 74347308 75190248 77626969 77887656 80411793 84589029 87721956 88617078 88716536 90868932 91899192 96673176 99806103 102342282 103386591 107215724 112785372 116831484 118156104 121985237 131582934 132925617 133074804 136303398 136456376 137848788 148694616 153513423 155253938 160823586 169178058 175443912 177234156 181737864 187627517 197374401 199612206 204455097 204684564 206773182 214431448 225570744 232880907 233662968 241235379 243970474 263165868 265851234 266149608 272606796 275697576 299418309 307026846 310159773 310507876 321647172 338356116 354468312 365955711 375255034 394748802 399224412 408910194 409369128 413546364 460540269 465761814 482470758 487940948 526331736 531702468 543388783 545213592 562882551 592123203 598836618 614053692 620319546 621015752 643294344 676712232 698642721 723706137 731911422 750510068 789497604 798448824 817820388 827092728 853896659 898254927 921080538 930479319 931523628 964941516 975881896 1063404936 1086777566 1097867133 1125765102 1184246406 1197673236 1228107384 1240639092 1381620807 1397285442 1447412274 1463822844 1501020136 1578995208 1630166349 1635640776 1688647653 1707793318 1796509854 1842161076 1860958638 1863047256 1929883032 2095928163 2171118411 2173555132 2195734266 2251530204 2368492812 2395346472 2481278184 2561689977 2694764781 2763241614 2794570884 2894824548 2927645688 3260332698 3293601399 3377295306 3415586636 3593019708 3684322152 3721917276 3803721481 4144862421 4191856326 4342236822 4347110264 4391468532 4503060408 4736985624 4890499047 5065942959 5123379954 5389529562 5526483228 5589141768 5789649096 5977276613 6287784489 6513355233 6520665396 6587202798 6754590612 6831173272 7186039416 7443834552 7607442962 7685069931 8289724842 8383712652 8684473644 8782937064 9780998094 9880804197 10131885918 10246759908 10779059124 11052966456 11411164443 11954553226 12575568978 13026710466 13041330792 13174405596 13509181224 14671497141 15197828877 15214885924 15370139862 16579449684 16767425304 17368947288 17931829839 18863353467 19561996188 19761608394 20263771836 20493519816 21558118248 22822328886 23055209793 23909106452 25151137956 26053420932 26348811192 29342994282 29642412591 30395657754 30429771848 30740279724 33158899368 34233493329 35863659678 37726706934 39123992376 39523216788 40527543672 41840936291 44014491423 45593486631 45644657772 46110419586 47818212904 50302275912 52106841864 53795489517 58685988564 59284825182 60791315508 61480559448 68466986658 69165629379 71727319356 75453413868 79046433576 83681872582 88028982846 91186973262 91289315544 92220839172 102700479987 107590979034 117371977128 118569650364 121582631016 125522808873 132043474269 136933973316 138331258758 143454638712 150906827736 161386468551 167363745164 176057965692 182373946524 184441678344 205400959974 207496888137 215181958068 237139300728 251045617746 264086948538 273867946632 276662517516 308101439961 322772937102 334727490328 352115931384 364747893048 376568426619 410801919948 414993776274 430363916136 484159405653 502091235492 528173897076 553325035032 616202879922 645545874204 753136853238 821603839896 829987552548 924304319883 968318811306 1004182470984 1056347794152 1129705279857 1232405759844 1291091748408 1452478216959 1506273706476 1659975105096 1848608639766 1936637622612 2259410559714 2464811519688 2904956433918 3012547412952 3389115839571 3697217279532 3873275245224 4518821119428 5809912867836 6778231679142 7394434559064 9037642238856 10167347518713 11619825735672 13556463358284 20334695037426 27112926716568 40669390074852 81338780149704
• Sum of all divisors σ(n): 291944540160000
• Sum of proper divisors (its aliquot sum) s(n): 210605760010296
• 81338780149704 is an abundant number, because the sum of its proper divisors (210605760010296) is greater than itself. Its abundance is 129266979860592

Bases of 81338780149704

• Binary: 10010011111101000101001000110001110011111001000₂
• Hexadecimal: 0x49FA2918E7C8
• Base-36: STYIPLGI0

Squares and roots of 81338780149704

• 81338780149704 squared (81338780149704²) is 6615997156241881464651287616
• 81338780149704 cubed (81338780149704³) is 538137138162625261517383482898704841265664
• The square root of 81338780149704 is 9018801.4807791397
• The cube root of 81338780149704 is 43327.7248760055

Scales and comparisons

• 81,338,780,149,704 seconds is equal to 2,586,321 years, 31 weeks, 5 days, 13 hours, 8 minutes, 24 seconds.
• To count from 1 to 81,338,780,149,704 would take you about six million, four hundred sixty-five thousand, eight hundred 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 81338780149704 cubic inches would be around 3610.6 feet tall.

Recreational maths with 81338780149704

• 81338780149704 backwards is 40794108783318
• 81338780149704 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 81338780149704's digits is 63
• More coming soon!