81339971323392

Names of 81339971323392

• Cardinal: 81339971323392 can be written as Eighty-one trillion, three hundred thirty-nine billion, nine hundred seventy-one million, three hundred twenty-three thousand, three hundred ninety-two.

Scientific notation

• Scientific notation: 8.1339971323392 × 10¹³

Factors of 81339971323392

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 1323

Divisors of 81339971323392

• Number of divisors d(n): 800
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 53 54 64 72 81 96 106 108 128 144 149 159 162 192 212 216 256 288 298 307 318 324 384 424 432 447 477 512 576 596 614 636 648 768 809 848 864 894 921 954 1152 1192 1228 1272 1296 1341 1431 1536 1618 1696 1728 1788 1842 1908 2304 2384 2427 2456 2544 2592 2682 2763 2862 3236 3392 3456 3576 3684 3816 4023 4293 4608 4768 4854 4912 5088 5184 5364 5526 5724 6472 6784 6912 7152 7281 7368 7632 7897 8046 8289 8586 9536 9708 9824 10176 10368 10728 11052 11448 12069 12944 13568 13824 14304 14562 14736 15264 15794 16092 16271 16578 17172 19072 19416 19648 20352 20736 21456 21843 22104 22896 23691 24138 24867 25888 27136 28608 29124 29472 30528 31588 32184 32542 33156 34344 38144 38832 39296 40704 41472 42877 42912 43686 44208 45743 45792 47382 48276 48813 49734 51776 57216 58248 58944 61056 63176 64368 65084 65529 66312 68688 71073 76288 77664 78592 81408 85754 85824 87372 88416 91486 91584 94764 96552 97626 99468 103552 114432 116496 117888 120541 122112 126352 128631 128736 130168 131058 132624 137229 137376 142146 146439 155328 157184 171508 171648 174744 176832 182972 183168 189528 193104 195252 198936 207104 213219 228864 232992 235776 241082 244224 248363 252704 257262 257472 260336 262116 265248 274458 274752 284292 292878 310656 343016 343296 349488 353664 361623 365944 366336 379056 385893 386208 390504 397872 411687 414208 426438 439317 465984 471552 482164 496726 505408 514524 514944 520672 524232 530496 548916 549504 568584 585756 621312 639657 686032 686592 698976 707328 723246 731888 732672 745089 758112 771786 772416 781008 795744 823374 852876 878634 931968 964328 993452 1010816 1029048 1029888 1041344 1048464 1060992 1084869 1097832 1099008 1137168 1157679 1171512 1235061 1242624 1279314 1317951 1372064 1397952 1414656 1446492 1463776 1490178 1516224 1543572 1544832 1562016 1591488 1646748 1705752 1757268 1863936 1928656 1986904 2021632 2058096 2059776 2082688 2096928 2121984 2169738 2195664 2198016 2235267 2274336 2315358 2343024 2424379 2470122 2558628 2635902 2744128 2795904 2892984 2927552 2980356 3032448 3087144 3089664 3124032 3182976 3254607 3293496 3411504 3473037 3514536 3705183 3727872 3857312 3973808 4043264 4116192 4165376 4193856 4243968 4339476 4391328 4470534 4548672 4630716 4686048 4848758 4940244 5117256 5271804 5488256 5591808 5785968 5855104 5960712 6064896 6174288 6179328 6248064 6365952 6388673 6509214 6586992 6705801 6823008 6946074 7029072 7273137 7410366 7714624 7947616 8232384 8330752 8387712 8678952 8782656 8941068 9097344 9261432 9372096 9697516 9763821 9880488 10234512 10543608 10976512 11183616 11571936 11710208 11921424 12129792 12348576 12496128 12731904 12777346 13018428 13163239 13173984 13411602 13646016 13892148 14058144 14546274 14820732 15429248 15895232 16464768 16775424 17357904 17565312 17882136 18194688 18522864 18744192 19166019 19395032 19527642 19760976 20117403 20469024 21087216 21819411 21953024 23143872 23420416 23842848 24697152 24992256 25554692 26036856 26326478 26347968 26823204 27292032 27784296 28116288 29092548 29641464 30858496 31790464 32929536 33550848 34715808 35130624 35764272 36389376 37006087 37045728 37488384 38332038 38790064 39055284 39489717 39521952 40234806 40938048 42174432 43638822 46287744 47685696 49394304 51109384 52073712 52652956 52695936 53646408 54584064 55568592 56232576 57498057 58185096 59282928 61716992 63580928 65458233 65859072 69431616 70261248 71528544 74012174 74091456 74976768 76664076 77580128 78110568 78979434 79043904 80469612 81876096 84348864 87277644 92575488 95371392 98788608 102218768 104147424 105305912 105391872 107292816 109168128 111018261 111137184 112465152 114996114 116370192 118469151 118565856 127161856 130916466 138863232 143057088 148024348 148182912 153328152 155160256 156221136 157958868 158087808 160939224 163752192 168697728 172494171 174555288 185150976 190742784 196374699 197577216 204437536 208294848 210611824 210783744 214585632 222036522 222274368 224930304 229992228 232740384 236938302 237131712 261832932 277726464 286114176 296048696 296365824 306656304 310320512 312442272 315917736 316175616 321878448 327504384 333054783 337395456 344988342 349110576 355407453 381485568 392749398 408875072 416589696 421223648 429171264 444073044 444548736 459984456 465480768 473876604 474263424 517482513 523665864 555452928 572228352 592097392 592731648 613312608 620641024 624884544 631835472 632351232 643756896 666109566 674790912 689976684 698221152 710814906 785498796 817750144 833179392 842447296 858342528 888146088 889097472 919968912 930961536 947753208 948526848 999164349 1034965026 1047331728 1066222359 1144456704 1184194784 1226625216 1241282048 1249769088 1263670944 1287513792 1332219132 1379953368 1396442304 1421629812 1570997592 1635500288 1666358784 1684894592 1716685056 1776292176 1778194944 1839937824 1861923072 1895506416 1897053696 1961322611 1998328698 2069930052 2094663456 2132444718 2368389568 2453250432 2499538176 2527341888 2575027584 2664438264 2759906736 2792884608 2843259624 2997493047 3141995184 3271000576 3369789184 3433370112 3552584352 3679875648 3723846144 3791012832 3922645222 3996657396 4139860104 4189326912 4264889436 4736779136 4906500864 4999076352 5054683776 5150055168 5328876528 5519813472 5585769216 5686519248 5883967833 5994986094 6283990368 6739578368 7105168704 7359751296 7582025664 7845290444 7993314792 8279720208 8378653824 8529778872 9473558272 9813001728 10109367552 10300110336 10657753056 11039626944 11171538432 11373038496 11767935666 11989972188 12567980736 14210337408 14719502592 15164051328 15690580888 15986629584 16559440416 16757307648 17059557744 17651903499 18947116544 20218735104 21315506112 22079253888 22746076992 23535871332 23979944376 25135961472 28420674816 29439005184 30328102656 31381161776 31973259168 33118880832 33514615296 34119115488 35303806998 42631012224 44158507776 45492153984 47071742664 47959888752 50271922944 52955710497 56841349632 60656205312 62762323552 63946518336 66237761664 68238230976 70607613996 85262024448 88317015552 90984307968 94143485328 95919777504 100543845888 105911420994 125524647104 127893036672 132475523328 136476461952 141215227992 158867131491 170524048896 181968615936 188286970656 191839555008 211822841988 251049294208 255786073344 264951046656 272952923904 282430455984 317734262982 376573941312 383679110016 423645683976 502098588416 511572146688 545905847808 564860911968 635468525964 753147882624 767358220032 847291367952 1004197176832 1129721823936 1270937051928 1506295765248 1534716440064 1694582735904 2259443647872 2541874103856 3012591530496 3389165471808 4518887295744 5083748207712 6778330943616 9037774591488 10167496415424 13556661887232 20334992830848 27113323774464 40669985661696 81339971323392
• Sum of all divisors σ(n): 250139201004000
• Sum of proper divisors (its aliquot sum) s(n): 168799229680608
• 81339971323392 is an abundant number, because the sum of its proper divisors (168799229680608) is greater than itself. Its abundance is 87459258357216

Bases of 81339971323392

• Binary: 10010011111101001110000000110001100011000000000₂
• Hexadecimal: 0x49FA7018C600
• Base-36: STZ2ESG00

Squares and roots of 81339971323392

• 81339971323392 squared (81339971323392²) is 6616190934890232907846385664
• 81339971323392 cubed (81339971323392³) is 538160780914057651723492882898834096652288
• The square root of 81339971323392 is 9018867.5188957067
• The cube root of 81339971323392 is 43327.9363806687

Scales and comparisons

• 81,339,971,323,392 seconds is equal to 2,586,359 years, 25 weeks, 2 days, 6 hours, 43 minutes, 12 seconds.
• To count from 1 to 81,339,971,323,392 would take you about six million, four hundred sixty-five thousand, eight hundred ninety-eight 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 81339971323392 cubic inches would be around 3610.7 feet tall.

Recreational maths with 81339971323392

• 81339971323392 backwards is 29332317993318
• The number of decimal digits it has is: 14
• The sum of 81339971323392's digits is 63
• More coming soon!