81329082912
81,329,082,912 is an even composite number composed of six prime numbers multiplied together.
81329082912 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of six hundred seventy-two divisors.
Prime factorization of 81329082912:
25 × 36 × 7 × 11 × 19 × 2383
(2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 3 × 3 × 7 × 11 × 19 × 2383)See below for interesting mathematical facts about the number 81329082912 from the Numbermatics database.
Names of 81329082912
- Cardinal: 81329082912 can be written as Eighty-one billion, three hundred twenty-nine million, eighty-two thousand, nine hundred twelve.
Scientific notation
- Scientific notation: 8.1329082912 × 1010
Factors of 81329082912
Divisors of 81329082912
- Number of divisors d(n): 672
-
Complete list of divisors:
1 2 3 4 6 7 8 9 11 12 14 16 18 19 21 22 24 27 28 32 33 36 38 42 44 48 54 56 57 63 66 72 76 77 81 84 88 96 99 108 112 114 126 132 133 144 152 154 162 168 171 176 189 198 209 216 224 228 231 243 252 264 266 288 297 304 308 324 336 342 352 378 396 399 418 432 456 462 486 504 513 528 532 567 594 608 616 627 648 672 684 693 729 756 792 798 836 864 891 912 924 972 1008 1026 1056 1064 1134 1188 1197 1232 1254 1296 1368 1386 1458 1463 1512 1539 1584 1596 1672 1701 1782 1824 1848 1881 1944 2016 2052 2079 2128 2268 2376 2383 2394 2464 2508 2592 2673 2736 2772 2916 2926 3024 3078 3168 3192 3344 3402 3564 3591 3696 3762 3888 4104 4158 4256 4389 4536 4617 4752 4766 4788 5016 5103 5346 5472 5544 5643 5832 5852 6048 6156 6237 6384 6688 6804 7128 7149 7182 7392 7524 7776 8019 8208 8316 8778 9072 9234 9504 9532 9576 10032 10206 10692 10773 11088 11286 11664 11704 12312 12474 12768 13167 13608 13851 14256 14298 14364 15048 16038 16416 16632 16681 16929 17556 18144 18468 18711 19064 19152 20064 20412 21384 21447 21546 22176 22572 23328 23408 24624 24948 26213 26334 27216 27702 28512 28596 28728 30096 32076 32319 33264 33362 33858 35112 36936 37422 38128 38304 39501 40824 42768 42894 43092 45144 45277 46816 49248 49896 50043 50787 52426 52668 54432 55404 56133 57192 57456 60192 64152 64341 64638 66528 66724 67716 70224 73872 74844 76256 78639 79002 81648 85536 85788 86184 90288 90554 96957 99792 100086 101574 104852 105336 110808 112266 114384 114912 118503 128304 128682 129276 133448 135432 135831 140448 147744 149688 150129 152361 157278 158004 163296 171576 172368 180576 181108 183491 193023 193914 199584 200172 203148 209704 210672 221616 224532 228768 235917 237006 256608 257364 258552 266896 270864 271662 299376 300258 304722 314556 316008 316939 343152 344736 355509 362216 366982 386046 387828 400344 406296 407493 419408 421344 443232 449064 450387 471834 474012 498047 514728 517104 533792 541728 543324 550473 579069 598752 600516 609444 629112 632016 633878 686304 707751 711018 724432 733964 772092 775656 800688 812592 814986 838816 898128 900774 943668 948024 950817 996094 1029456 1034208 1066527 1086648 1100946 1158138 1201032 1218888 1222479 1258224 1264032 1267756 1351161 1415502 1422036 1448864 1467928 1494141 1544184 1551312 1601376 1625184 1629972 1651419 1737207 1796256 1801548 1887336 1896048 1901634 1992188 2058912 2123253 2133054 2173296 2201892 2316276 2402064 2437776 2444958 2516448 2535512 2702322 2831004 2844072 2852451 2935856 2988282 3088368 3102624 3259944 3302838 3474414 3486329 3603096 3667437 3774672 3792096 3803268 3984376 4053483 4246506 4266108 4346592 4403784 4482423 4632552 4804128 4875552 4889916 4954257 5071024 5404644 5662008 5688144 5704902 5871712 5976564 6176736 6369759 6519888 6605676 6948828 6972658 7206192 7334874 7549344 7606536 7968752 8106966 8493012 8532216 8557353 8807568 8964846 9265104 9779832 9908514 10142048 10458987 10809288 11002311 11324016 11376288 11409804 11953128 12160449 12739518 13039776 13211352 13447269 13897656 13945316 14412384 14669748 14862771 15213072 15937504 16213932 16986024 17064432 17114706 17615136 17929692 18530208 19109277 19559664 19817028 20917974 21618576 22004622 22648032 22819608 23906256 24320898 25479036 25672059 26422704 26894538 27795312 27890632 29339496 29725542 30426144 31376961 32427864 33006933 33972048 34128864 34229412 35859384 38218554 39119328 39634056 40341807 41835948 43237152 44009244 44588313 45639216 47812512 48641796 50958072 51344118 52845408 53789076 55590624 55781264 58678992 59451084 62753922 64855728 66013866 67944096 68458824 71718768 76437108 77016177 79268112 80683614 83671896 88018488 89176626 91278432 94130883 97283592 101916144 102688236 107578152 111562528 117357984 118902168 121025421 125507844 129711456 132027732 133764939 136917648 143437536 152874216 154032354 158536224 161367228 167343792 176036976 178353252 188261766 194567184 203832288 205376472 215156304 231048531 237804336 242050842 251015688 264055464 267529878 273835296 282392649 305748432 308064708 322734456 334687584 352073952 356706504 363076263 376523532 389134368 410752944 430312608 462097062 475608672 484101684 502031376 528110928 535059756 564785298 611496864 616129416 645468912 713413008 726152526 753047064 821505888 847177947 924194124 968203368 1004062752 1056221856 1070119512 1129570596 1232258832 1290937824 1426826016 1452305052 1506094128 1694355894 1848388248 1936406736 2140239024 2259141192 2464517664 2541533841 2904610104 3012188256 3388711788 3696776496 3872813472 4280478048 4518282384 5083067682 5809220208 6777423576 7393552992 9036564768 10166135364 11618440416 13554847152 20332270728 27109694304 40664541456 81329082912
- Sum of all divisors σ(n): 315186923520
- Sum of proper divisors (its aliquot sum) s(n): 233857840608
- 81329082912 is an abundant number, because the sum of its proper divisors (233857840608) is greater than itself. Its abundance is 152528757696
Bases of 81329082912
- Binary: 10010111011111001011101010010001000002
- Hexadecimal: 0x12EF975220
- Base-36: 11D18I00
Squares and roots of 81329082912
- 81329082912 squared (813290829122) is 6614419727306970399744
- 81329082912 cubed (813290829123) is 537944690416917026116309559574528
-
The
square root of 81329082912 is 285182.5431403543 -
The
cube root of 81329082912 is 4332.6002958757
Scales and comparisons
How big is 81329082912?- 81,329,082,912 seconds is equal to 2,586 years, 4 days, 19 hours, 55 minutes, 12 seconds.
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To count from 1 to 81,329,082,912 would take you about five thousand, one hundred seventy-two 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 81329082912 cubic inches would be around 361.1 feet tall.
Recreational maths with 81329082912
- 81329082912 backwards is 21928092318
- The number of decimal digits it has is: 11
- The sum of 81329082912's digits is 45
- More coming soon!
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The information we have on file for 81329082912 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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