81340352496

Names of 81340352496

• Cardinal: 81340352496 can be written as Eighty-one billion, three hundred forty million, three hundred fifty-two thousand, four hundred ninety-six.

Scientific notation

• Scientific notation: 8.1340352496 × 10¹⁰

Factors of 81340352496

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 847

Divisors of 81340352496

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 16 18 19 24 26 27 36 38 39 48 52 53 54 57 72 76 78 104 106 108 114 117 144 152 156 159 171 208 212 216 228 234 247 304 312 318 342 351 361 424 432 456 468 477 494 513 624 636 684 689 702 722 741 757 848 912 936 954 988 1007 1026 1083 1272 1368 1378 1404 1431 1444 1482 1514 1872 1908 1976 2014 2052 2067 2166 2223 2271 2544 2736 2756 2808 2862 2888 2964 3021 3028 3249 3816 3952 4028 4104 4134 4332 4446 4542 4693 5512 5616 5724 5776 5928 6042 6056 6201 6498 6669 6813 7632 8056 8208 8268 8664 8892 9063 9084 9386 9747 9841 11024 11448 11856 12084 12112 12402 12996 13091 13338 13626 14079 14383 16112 16536 17328 17784 18126 18168 18603 18772 19133 19494 19682 20439 22896 24168 24804 25992 26182 26676 27189 27252 28158 28766 29523 33072 35568 36252 36336 37206 37544 38266 38988 39273 39364 40121 40878 42237 43149 48336 49608 51984 52364 53352 54378 54504 56316 57399 57532 59046 72504 74412 75088 76532 77976 78546 78728 80242 81756 84474 86298 88569 99216 104728 106704 108756 109008 112632 114798 115064 117819 118092 120363 126711 129447 145008 148824 153064 155952 157092 157456 160484 163512 168948 172197 172596 177138 186979 209456 217512 225264 229596 230128 235638 236184 240726 248729 253422 258894 265707 273277 297648 306128 314184 320968 327024 337896 344394 345192 353457 354276 361089 373958 388341 435024 459192 471276 472368 481452 497458 506844 516591 517788 521573 531414 546554 560937 628368 641936 675792 688788 690384 706914 708552 722178 746187 747916 762299 776682 819831 918384 942552 962904 994916 1013688 1033182 1035576 1043146 1062828 1083267 1093108 1121874 1377576 1413828 1417104 1444356 1492374 1495832 1524598 1553364 1564719 1639662 1682811 1885104 1925808 1989832 2027376 2066364 2071152 2086292 2125656 2166534 2186216 2238561 2243748 2286897 2459493 2755152 2827656 2888712 2984748 2991664 3049196 3106728 3129438 3279324 3365622 3552601 3979664 4132728 4172584 4251312 4333068 4372432 4477122 4487496 4573794 4694157 4918986 5048433 5655312 5777424 5969496 6098392 6213456 6258876 6558648 6715683 6731244 6860691 7105202 7378479 8265456 8345168 8666136 8954244 8974992 9147588 9388314 9837972 9909887 10096866 10657803 11938992 12196784 12517752 13117296 13431366 13462488 13721382 14082471 14210404 14483681 14756958 17332272 17908488 18295176 18776628 19675944 19819774 20193732 20582073 21315606 25035504 26862732 26924976 27442764 28164942 28420808 28967362 29513916 29729661 31973409 35816976 36590352 37553256 39351888 39639548 40387464 41164146 42631212 43451043 53725464 54885528 56329884 56841616 57934724 59027832 59459322 63946818 75106512 79279096 80774928 82328292 85262424 86902086 89188983 95920227 107450928 109771056 112659768 115869448 118055664 118918644 127893636 130353129 158558192 164656584 170524848 173804172 178377966 188287853 191840454 225319536 231738896 237837288 255787272 260706258 267566949 329313168 347608344 356755932 376575706 383680908 391059387 475674576 511574544 521412516 535133898 564863559 695216688 713511864 753151412 767361816 782118774 1042825032 1070267796 1129727118 1427023728 1506302824 1534723632 1564237548 1694590677 2085650064 2140535592 2259454236 3012605648 3128475096 3389181354 4281071184 4518908472 5083772031 6256950192 6778362708 9037816944 10167544062 13556725416 20335088124 27113450832 40670176248 81340352496
• Sum of all divisors σ(n): 270730797120
• Sum of proper divisors (its aliquot sum) s(n): 189390444624
• 81340352496 is an abundant number, because the sum of its proper divisors (189390444624) is greater than itself. Its abundance is 108050092128

Bases of 81340352496

• Binary: 1001011110000010000110100011111110000₂
• Hexadecimal: 0x12F04347F0
• Base-36: 11D7Y1O0

Squares and roots of 81340352496

• 81340352496 squared (81340352496²) is 6616252944173533430016
• 81340352496 cubed (81340352496³) is 538168346681773018591341386919936
• The square root of 81340352496 is 285202.3010005351
• The cube root of 81340352496 is 4332.8004061197

Scales and comparisons

• 81,340,352,496 seconds is equal to 2,586 years, 19 weeks, 2 days, 6 hours, 21 minutes, 36 seconds.
• To count from 1 to 81,340,352,496 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 81340352496 cubic inches would be around 361.1 feet tall.

Recreational maths with 81340352496

• 81340352496 backwards is 69425304318
• The number of decimal digits it has is: 11
• The sum of 81340352496's digits is 45
• More coming soon!