81337843952809083

Names of 81337843952809083

• Cardinal: 81337843952809083 can be written as Eighty-one quadrillion, three hundred thirty-seven trillion, eight hundred forty-three billion, nine hundred fifty-two million, eight hundred nine thousand and eighty-three.

Scientific notation

• Scientific notation: 8.1337843952809083 × 10¹⁶

Factors of 81337843952809083

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 154

Divisors of 81337843952809083

• Number of divisors d(n): 432
• Complete list of divisors:
  1 3 9 23 27 61 67 69 81 183 201 207 243 529 549 603 621 729 1403 1541 1587 1647 1809 1863 2187 3721 4087 4209 4489 4623 4761 4941 5427 5589 6561 11163 12167 12261 12627 13467 13869 14283 14823 16281 16767 32269 33489 35443 36501 36783 37881 40401 41607 42849 44469 48843 50301 85583 94001 96807 100467 103247 106329 109503 110349 113643 121203 124821 128547 133407 146529 150903 226981 249307 256749 273829 282003 290421 301401 309741 318987 328509 331047 340929 363609 374463 385641 400221 439587 680943 742187 747921 770247 815189 821487 846009 871263 904203 929223 956961 985527 993141 1022787 1090827 1123389 1156923 1968409 2042829 2162023 2226561 2243763 2310741 2374681 2445567 2464461 2538027 2613789 2712609 2787669 2870883 2956581 2979423 3068361 3272481 3370167 3470769 5220563 5734061 5905227 6128487 6298067 6486069 6679683 6731289 6932223 7124043 7336701 7393383 7614081 7841367 8137827 8363007 8612649 8869743 8938269 9205083 9817443 10110501 15207727 15661689 16703569 17202183 17715681 18385461 18894201 19458207 20039049 20193867 20796669 21372129 22010103 22180149 22842243 23524101 24413481 25089021 25837947 26609229 26814807 29452329 45273407 45623181 46985067 49726529 50110707 51606549 53147043 54617663 55156383 56682603 58374621 60117147 60581601 62390007 64116387 66030309 66540447 68526729 70572303 75267063 77513841 79827687 120072949 131883403 135820221 136869543 140955201 144855541 149179587 150332121 154819647 159441129 163852989 165469149 170047809 175123863 180351441 181744803 187170021 192349161 198090927 199621341 205580187 211716909 225801189 232541523 349777721 360218847 384182087 395650209 407460663 410608629 422865603 434566623 447538761 450996363 464458941 478323387 491558967 496407447 510143427 525371589 541054323 545234409 561510063 577047483 594272781 598864023 616740561 677403567 1018917709 1049333163 1080656541 1152546261 1186950627 1222381989 1231825887 1268596809 1303699869 1342616283 1352989089 1393376823 1434970161 1474676901 1489222341 1530430281 1576114767 1623162969 1635703227 1731142449 1782818343 1796592069 2761677827 3033318269 3056753127 3147999489 3241969623 3331677443 3457638783 3560851881 3667145967 3695477661 3805790427 3911099607 4027848849 4058967267 4180130469 4304910483 4424030703 4591290843 4728344301 4869488907 5193427347 5348455029 8044887583 8285033481 8836188001 9099954807 9170259381 9443998467 9725908869 9995032329 10372916349 10682555643 11001437901 11086432983 11417371281 11733298821 12083546547 12176901801 12540391407 12914731449 13272092109 13773872529 14185032903 15580282041 23435107307 24134662749 24855100443 26508564003 27299864421 27510778143 28331995401 29177726607 29985096987 31118749047 32047666929 33004313703 33259298949 34252113843 35199896463 36250639641 36530705403 37621174221 39816276327 41321617587 70305321921 72403988247 74565301329 79525692009 81899593263 82532334429 84995986203 87533179821 89955290961 93356247141 96143000787 99012941109 99777896847 105599689389 108751918923 109592116209 119448828981 185032414409 203232324023 210915965763 217211964741 223695903987 238577076027 245698779789 247597003287 254987958609 262599539463 269865872883 280068741423 288429002361 297038823327 316799068167 326255756769 358346486943 539007468061 555097243227 609696972069 632747897289 651635894223 671087711961 715731228081 737096339367 742791009861 764963875827 787798618389 809597618649 840206224269 865287007083 950397204501 1617022404183 1665291729681 1829090916207 1898243691867 1954907682669 2013263135883 2147193684243 2211289018101 2228373029583 2294891627481 2428792855947 2520618672807 4851067212549 4995875189043 5487272748621 5694731075601 5864723048007 6039789407649 6441581052729 6633867054303 6685119088749 7286378567841 12397171765403 14553201637647 14987625567129 16461818245863 17084193226803 17594169144021 18119368222947 19324743158187 19901601162909 21859135703523 37191515296209 43659604912941 44962876701387 49385454737589 51252579680409 52782507432063 57974229474561 111574545888627 130978814738823 134888630104161 148156364212767 153757739041227 334723637665881 392936444216469 404665890312483 444469092638301 1004170912997643 1178809332649407 1213997670937449 1333407277914903 3012512738992929 3536427997948221 9037538216978787 27112614650936361 81337843952809083
• Sum of all divisors σ(n): 131635622031600960
• Sum of proper divisors (its aliquot sum) s(n): 50297778078791877
• 81337843952809083 is a deficient number, because the sum of its proper divisors (50297778078791877) is less than itself. Its deficiency is 31040065874017206

Bases of 81337843952809083

• Binary: 100100000111110000101011010001111100110100111010001111011₂
• Hexadecimal: 0x120F8568F9A747B
• Base-36: M8VUXO0LSOR

Squares and roots of 81337843952809083

• 81337843952809083 squared (81337843952809083²) is 6615844858891521111901086647300889
• 81337843952809083 cubed (81337843952809083³) is 538118556748512771501690644353170838360731473174787
• The square root of 81337843952809083 is 285197903.1353650803
• The cube root of 81337843952809083 is 433275.5864354323

Scales and comparisons

• 81,337,843,952,809,083 seconds is equal to 2,586,291,843 years, 11 weeks, 6 days, 6 hours, 58 minutes, 3 seconds.
• To count from 1 to 81,337,843,952,809,083 would take you about seven billion, seven hundred fifty-eight million, eight hundred seventy-five thousand, five hundred twenty-nine 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 81337843952809083 cubic inches would be around 36106.3 feet tall.

Recreational maths with 81337843952809083

• 81337843952809083 backwards is 38090825934873318
• 81337843952809083 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 81337843952809083's digits is 81
• More coming soon!