81707646132

Names of 81707646132

• Cardinal: 81707646132 can be written as Eighty-one billion, seven hundred seven million, six hundred forty-six thousand, one hundred thirty-two.

Scientific notation

• Scientific notation: 8.1707646132 × 10¹⁰

Factors of 81707646132

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 40421

Divisors of 81707646132

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 6 7 9 12 14 18 19 21 27 28 36 38 42 47 54 57 63 76 81 84 94 108 114 126 133 141 162 171 188 189 228 252 266 282 324 329 342 378 399 423 513 532 564 567 658 684 756 798 846 893 987 1026 1134 1197 1269 1316 1539 1596 1692 1786 1974 2052 2268 2394 2538 2679 2961 3078 3572 3591 3807 3948 4788 5076 5358 5922 6156 6251 7182 7614 8037 8883 10716 10773 11844 12502 14364 15228 16074 17766 18753 21546 24111 25004 26649 32148 35532 37506 40343 43092 48222 53298 56259 72333 75012 80686 96444 106596 112518 121029 144666 161372 168777 225036 242058 282401 289332 337554 363087 484116 506331 564802 675108 726174 766517 847203 1012662 1089261 1129604 1452348 1533034 1694406 1896121 2025324 2178522 2299551 2541609 3066068 3267783 3388812 3792242 4357044 4599102 5083218 5365619 5688363 6535566 6898653 7584484 7624827 9198204 10166436 10731238 11376726 13071132 13272847 13797306 15249654 16096857 17065089 20695959 21462476 22753452 22874481 26545694 27594612 30499308 32193714 34130178 36026299 39818541 41391918 45748962 48290571 51195267 53091388 62087877 64387428 68260356 72052598 79637082 82783836 91497924 96581142 102390534 108078897 119455623 124175754 144105196 144871713 153585801 159274164 193162284 204781068 216157794 238911246 248351508 252184093 289743426 307171602 324236691 358366869 432315588 434615139 477822492 504368186 579486852 614343204 648473382 716733738 756552279 869230278 972710073 1008736372 1075100607 1296946764 1433467476 1513104558 1738460556 1945420146 2150201214 2269656837 2918130219 3026209116 3890840292 4300402428 4539313674 5836260438 6808970511 9078627348 11672520876 13617941022 20426911533 27235882044 40853823066 81707646132
• Sum of all divisors σ(n): 262436106240
• Sum of proper divisors (its aliquot sum) s(n): 180728460108
• 81707646132 is an abundant number, because the sum of its proper divisors (180728460108) is greater than itself. Its abundance is 99020813976

Bases of 81707646132

• Binary: 1001100000110001001111011110010110100₂
• Hexadecimal: 0x130627BCB4
• Base-36: 11JAMF90

Squares and roots of 81707646132

• 81707646132 squared (81707646132²) is 6676139436432134561424
• 81707646132 cubed (81707646132³) is 545491638599886759378239210011968
• The square root of 81707646132 is 285845.4934610655
• The cube root of 81707646132 is 4339.3122238987

Scales and comparisons

• 81,707,646,132 seconds is equal to 2,598 years, 2 weeks, 4 days, 8 hours, 22 minutes, 12 seconds.
• To count from 1 to 81,707,646,132 would take you about five thousand, one hundred ninety-six 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 81707646132 cubic inches would be around 361.6 feet tall.

Recreational maths with 81707646132

• 81707646132 backwards is 23164670718
• The number of decimal digits it has is: 11
• The sum of 81707646132's digits is 45
• More coming soon!