81092841984

Names of 81092841984

• Cardinal: 81092841984 can be written as Eighty-one billion, ninety-two million, eight hundred forty-one thousand, nine hundred eighty-four.

Scientific notation

• Scientific notation: 8.1092841984 × 10¹⁰

Factors of 81092841984

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 160

Divisors of 81092841984

• Number of divisors d(n): 1280
• Complete list of divisors:
  1 2 3 4 6 7 8 9 11 12 14 16 18 21 22 24 27 28 29 32 33 36 37 42 44 48 54 56 58 63 64 66 71 72 74 77 84 87 88 96 99 108 111 112 116 126 128 132 142 144 148 154 168 174 176 189 192 198 203 213 216 222 224 231 232 252 256 259 261 264 284 288 296 297 308 319 333 336 348 352 378 384 396 406 407 426 432 444 448 462 464 497 504 512 518 522 528 568 576 592 594 609 616 638 639 666 672 693 696 704 756 768 777 781 783 792 812 814 852 864 888 896 924 928 957 994 999 1008 1036 1044 1056 1073 1136 1152 1184 1188 1218 1221 1232 1276 1278 1332 1344 1386 1392 1408 1491 1512 1536 1554 1562 1566 1584 1624 1628 1704 1728 1776 1792 1827 1848 1856 1914 1917 1988 1998 2016 2059 2072 2079 2088 2112 2146 2233 2272 2304 2331 2343 2368 2376 2436 2442 2464 2552 2556 2627 2664 2688 2772 2784 2816 2849 2871 2982 3024 3108 3124 3132 3168 3219 3248 3256 3408 3456 3552 3584 3654 3663 3696 3712 3828 3834 3976 3996 4032 4118 4144 4158 4176 4224 4292 4466 4473 4544 4608 4662 4686 4736 4752 4872 4884 4928 5104 5112 5254 5328 5376 5467 5481 5544 5568 5632 5698 5742 5964 6048 6177 6216 6248 6264 6336 6438 6496 6512 6699 6816 6912 6993 7029 7104 7308 7326 7392 7424 7511 7656 7668 7881 7952 7992 8064 8236 8288 8316 8352 8448 8547 8584 8613 8932 8946 9088 9324 9372 9472 9504 9657 9744 9768 9856 10208 10224 10508 10656 10752 10934 10962 10989 11088 11136 11396 11484 11803 11928 12096 12354 12432 12496 12528 12672 12876 12992 13024 13398 13419 13632 13824 13986 14058 14208 14413 14616 14652 14784 14848 15022 15312 15336 15762 15904 15984 16128 16401 16472 16576 16632 16704 16896 17094 17168 17226 17864 17892 18176 18389 18531 18648 18744 18944 19008 19314 19488 19536 19712 20097 20416 20448 21016 21087 21312 21868 21924 21978 22176 22272 22533 22649 22792 22968 23606 23643 23856 24192 24708 24864 24992 25056 25344 25641 25752 25984 26048 26796 26838 27264 27972 28116 28416 28826 28897 28971 29232 29304 29568 30044 30624 30672 31524 31808 31968 32256 32802 32944 33152 33264 33408 34188 34336 34452 35409 35728 35784 36352 36778 37062 37296 37488 38016 38628 38976 39072 39424 40194 40832 40896 42032 42174 42624 43239 43736 43848 43956 44352 44544 45066 45298 45584 45936 47212 47286 47712 48384 49203 49416 49728 49984 50112 50688 51282 51504 51968 52096 53592 53676 54528 55167 55593 55944 56232 56832 57652 57794 57942 58464 58608 59136 60088 60291 61248 61344 63048 63616 63936 65604 65888 66304 66528 66816 67599 67947 68376 68672 68904 70818 70929 71456 71568 73556 74124 74592 74976 76032 76183 76923 77256 77952 78144 80388 81664 81792 82621 84064 84348 85248 86478 86691 87472 87696 87912 88704 90132 90596 91168 91872 94424 94572 95424 96768 98406 98832 99456 99968 100224 102564 103008 103936 104192 106227 107184 107352 109056 110334 111186 111888 112464 115304 115588 115884 116928 117216 118272 120176 120582 122496 122688 126096 127232 127872 129717 131208 131776 132608 133056 133632 135198 135894 136752 137344 137808 141636 141858 142912 143136 147112 147609 148248 149184 149952 152064 152366 153846 154512 155904 156288 158543 160776 163328 163584 165242 165501 168128 168696 170496 172956 173382 174944 175392 175824 177408 180264 181192 182336 183744 188848 189144 190848 196812 197664 198912 199936 200448 202279 202797 203841 205128 206016 208384 212454 214368 214704 220668 222372 223776 224928 228549 230608 231176 231768 233856 234432 240352 241164 244992 245376 247863 252192 254464 255744 259434 260073 262416 263552 266112 270396 271788 273504 274688 275616 283272 283716 285824 286272 294224 295218 296496 298368 299904 304732 307692 309024 311808 312576 317086 318681 321552 327168 330484 331002 336256 337392 345912 346764 349888 350784 351648 354816 360528 362384 364672 367488 377696 378288 381696 389151 393624 395328 397824 399872 400896 404558 405594 407682 410256 412032 424908 428736 429408 441336 444744 447552 449856 457098 461216 462352 463536 467712 468864 475629 480704 482328 489984 490752 495726 496503 504384 511488 518868 520146 524832 527104 532224 533281 540792 543576 547008 549376 551232 566544 567432 571648 572544 588448 590436 592992 596736 599808 606837 609464 611523 615384 618048 625152 634172 637362 643104 660968 662004 672512 674784 685647 691824 693528 699776 701568 703296 721056 724768 729344 734976 743589 755392 756576 763392 778302 780219 787248 790656 809116 811188 815364 820512 824064 838013 849816 857472 858816 882672 889488 895104 899712 914196 922432 924704 927072 935424 937728 951258 961408 964656 981504 991452 993006 1008768 1037736 1040292 1049664 1054208 1064448 1066562 1081584 1087152 1094016 1102464 1133088 1134864 1143296 1145088 1176896 1180872 1185984 1193472 1199616 1213674 1218928 1223046 1230768 1236096 1268344 1274724 1286208 1321936 1324008 1345024 1349568 1371294 1383648 1387056 1399552 1403136 1406592 1426887 1442112 1449536 1458688 1469952 1487178 1510784 1513152 1556604 1560438 1574496 1581312 1599843 1618232 1622376 1630728 1641024 1648128 1676026 1699632 1714944 1717632 1765344 1778976 1790208 1799424 1820511 1828392 1844864 1849408 1854144 1875456 1902516 1922816 1929312 1982904 1986012 2017536 2056941 2075472 2080584 2099328 2133124 2163168 2174304 2188032 2204928 2230767 2266176 2269728 2290176 2353792 2361744 2371968 2427348 2437856 2446092 2461536 2472192 2514039 2536688 2549448 2572416 2643872 2648016 2699136 2742588 2767296 2774112 2799104 2806272 2813184 2853774 2884224 2899072 2974356 3021568 3026304 3113208 3120876 3148992 3162624 3199686 3236464 3244752 3261456 3282048 3352052 3399264 3429888 3435264 3530688 3557952 3580416 3598848 3641022 3656784 3689728 3698816 3708288 3805032 3845632 3858624 3965808 3972024 4035072 4113882 4150944 4161168 4198656 4266248 4280661 4326336 4348608 4376064 4409856 4461534 4532352 4539456 4707584 4723488 4743936 4799529 4854696 4875712 4892184 4923072 4944384 5028078 5073376 5098896 5144832 5287744 5296032 5398272 5461533 5485176 5534592 5548224 5626368 5707548 5768448 5798144 5866091 5948712 6043136 6052608 6226416 6241752 6297984 6399372 6472928 6489504 6522912 6564096 6704104 6798528 6870528 7061376 7115904 7282044 7313568 7379456 7397632 7416576 7542117 7610064 7717248 7931616 7944048 8227764 8301888 8322336 8397312 8532496 8561322 8652672 8697216 8923068 9064704 9078912 9415168 9446976 9487872 9599058 9709392 9751424 9784368 9846144 10056156 10146752 10197792 10289664 10575488 10592064 10796544 10923066 10970352 11069184 11096448 11415096 11536896 11596288 11732182 11897424 12105216 12452832 12483504 12595968 12798744 12945856 12979008 13045824 13128192 13408208 13597056 14122752 14231808 14398587 14564088 14627136 14795264 14833152 15084234 15220128 15434496 15863232 15888096 16455528 16603776 16644672 17064992 17122644 17305344 17394432 17598273 17846136 18129408 18157824 18893952 19198116 19418784 19502848 19568736 19692288 20112312 20293504 20395584 21150976 21184128 21846132 21940704 22138368 22192896 22626351 22830192 23464364 23794848 24905664 24967008 25191936 25597488 25891712 25958016 26091648 26816416 27194112 28245504 28463616 28797174 29128176 29254272 30168468 30440256 30868992 31726464 31776192 32911056 33207552 33289344 34129984 34245288 34610688 34788864 35196546 35692272 36315648 37787904 38396232 38837568 39005696 39137472 39384576 40224624 40587008 40791168 42301952 42368256 43692264 43881408 44385792 45252702 45660384 46928728 47589696 49811328 49934016 51194976 51783424 51916032 52183296 52794819 53632832 54388224 57594348 58256352 58508544 60336936 60880512 63452928 63552384 65822112 66415104 66578688 68259968 68490576 70393092 71384544 75575808 76792464 77675136 78274944 80449248 81174016 81582336 84736512 87384528 87762816 90505404 91320768 93857456 95179392 99622656 99868032 102389952 103566848 103832064 104366592 105589638 107265664 115188696 116512704 117017088 120673872 121761024 126905856 127104768 131644224 133157376 136519936 136981152 140786184 142769088 153584928 155350272 156549888 158384457 160898496 163164672 174769056 175525632 181010808 182641536 187714912 190358784 199245312 199736064 204779904 211179276 214531328 230377392 233025408 241347744 243522048 254209536 263288448 273039872 273962304 281572368 285538176 307169856 310700544 313099776 316768914 321796992 349538112 351051264 362021616 365283072 375429824 380717568 399472128 409559808 422358552 429062656 460754784 466050816 482695488 526576896 547924608 563144736 571076352 614339712 633537828 643593984 699076224 724043232 730566144 750859648 819119616 844717104 921509568 932101632 965390976 1053153792 1095849216 1126289472 1142152704 1228679424 1267075656 1287187968 1398152448 1448086464 1501719296 1689434208 1843019136 1930781952 2191698432 2252578944 2457358848 2534151312 2796304896 2896172928 3003438592 3378868416 3686038272 3861563904 4505157888 5068302624 5792345856 6757736832 7372076544 9010315776 10136605248 11584691712 13515473664 20273210496 27030947328 40546420992 81092841984
• Sum of all divisors σ(n): 322436505600
• Sum of proper divisors (its aliquot sum) s(n): 241343663616
• 81092841984 is an abundant number, because the sum of its proper divisors (241343663616) is greater than itself. Its abundance is 160250821632

Bases of 81092841984

• Binary: 1001011100001100000101001001000000000₂
• Hexadecimal: 0x12E1829200
• Base-36: 1194L1C0

Squares and roots of 81092841984

• 81092841984 squared (81092841984²) is 6576049021041993056256
• 81092841984 cubed (81092841984³) is 533270504142396233939393030651904
• The square root of 81092841984 is 284768.0494437535
• The cube root of 81092841984 is 4328.4011823417

Scales and comparisons

• 81,092,841,984 seconds is equal to 2,578 years, 26 weeks, 13 hours, 26 minutes, 24 seconds.
• To count from 1 to 81,092,841,984 would take you about five thousand, one hundred fifty-seven 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 81092841984 cubic inches would be around 360.7 feet tall.

Recreational maths with 81092841984

• 81092841984 backwards is 48914829018
• 81092841984 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 81092841984's digits is 54
• More coming soon!