82991395305
82,991,395,305 is an odd composite number composed of six prime numbers multiplied together.
82991395305 is an odd composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred twenty-four divisors.
Prime factorization of 82991395305:
32 × 5 × 72 × 132 × 232 × 421
(3 × 3 × 5 × 7 × 7 × 13 × 13 × 23 × 23 × 421)See below for interesting mathematical facts about the number 82991395305 from the Numbermatics database.
Names of 82991395305
- Cardinal: 82991395305 can be written as Eighty-two billion, nine hundred ninety-one million, three hundred ninety-five thousand, three hundred five.
Scientific notation
- Scientific notation: 8.2991395305 × 1010
Factors of 82991395305
Divisors of 82991395305
- Number of divisors d(n): 324
-
Complete list of divisors:
1 3 5 7 9 13 15 21 23 35 39 45 49 63 65 69 91 105 115 117 147 161 169 195 207 245 273 299 315 345 421 441 455 483 507 529 585 637 735 805 819 845 897 1035 1127 1183 1263 1365 1449 1495 1521 1587 1911 2093 2105 2205 2415 2535 2645 2691 2947 3185 3381 3549 3703 3789 3887 4095 4485 4761 5473 5635 5733 5915 6279 6315 6877 7245 7605 7935 8281 8841 9555 9683 10143 10465 10647 11109 11661 13455 14651 14735 16419 16905 17745 18515 18837 18945 19435 20629 20631 23805 24843 25921 26523 27209 27365 28665 29049 31395 33327 34385 34983 38311 41405 43953 44205 48139 48415 49257 50715 53235 55545 58305 61887 61893 67781 71149 73255 74529 77763 81627 82095 87147 89401 94185 103145 103155 114933 124215 125879 129605 131859 132615 136045 144417 145245 166635 174915 185661 190463 191555 203343 213447 219765 222709 233289 240695 244881 246285 268177 268203 309435 309465 336973 338905 344799 355745 372645 377637 388815 408135 433251 435735 447005 474467 498043 571389 574665 610029 625807 629395 640341 659295 668127 722085 804531 804609 881153 928305 952315 1010919 1016715 1067235 1113545 1132911 1166445 1224405 1340885 1341015 1423401 1494129 1558963 1636427 1684865 1714167 1723995 1877421 1888185 2004381 2166255 2372335 2413593 2490215 2643459 2856945 2895217 3032757 3050145 3129035 3201705 3340635 3486301 4022655 4023045 4270203 4380649 4405765 4482387 4676889 4909281 5054595 5632263 5664555 6168071 7117005 7470645 7794815 7930377 8182135 8570835 8685651 9387105 10021905 10458903 10912741 11454989 12067965 13141947 13217295 14030667 14476085 14727843 15163785 17431505 18504213 20266519 21351015 21903245 22411935 23384445 24546405 26056953 28161315 30840355 31376709 32738223 34364967 37637821 39425841 39651885 43428255 52294515 54563705 55512639 57274945 60799557 65709735 70153335 73639215 80184923 92521065 98214669 101332595 103094901 112913463 130284765 141865633 156883545 163691115 171824835 182398671 188189105 197129205 240554769 263464747 277563195 303997785 338740389 400924615 425596899 491073345 515474505 564567315 709328165 721664307 790394241 911993355 1202773845 1276790697 1317323735 1693701945 1844253229 2127984495 2371182723 3608321535 3951971205 5532759687 6383953485 9221266145 11855913615 16598279061 27663798435 82991395305
- Sum of all divisors σ(n): 189870778188
- Sum of proper divisors (its aliquot sum) s(n): 106879382883
- 82991395305 is an abundant number, because the sum of its proper divisors (106879382883) is greater than itself. Its abundance is 23887987578
Bases of 82991395305
- Binary: 10011010100101010110000110001111010012
- Hexadecimal: 0x1352AC31E9
- Base-36: 124IXMG9
Squares and roots of 82991395305
- 82991395305 squared (829913953052) is 6887571694670776043025
- 82991395305 cubed (829913953053) is 571609185203951136417811462997625
-
The
square root of 82991395305 is 288082.2717645083 -
The
cube root of 82991395305 is 4361.9199261341
Scales and comparisons
How big is 82991395305?- 82,991,395,305 seconds is equal to 2,638 years, 45 weeks, 1 day, 13 hours, 21 minutes, 45 seconds.
-
To count from 1 to 82,991,395,305 would take you about five thousand, two hundred seventy-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 82991395305 cubic inches would be around 363.5 feet tall.
Recreational maths with 82991395305
- 82991395305 backwards is 50359319928
- The number of decimal digits it has is: 11
- The sum of 82991395305's digits is 54
- More coming soon!
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