813208128738642

Names of 813208128738642

• Cardinal: 813208128738642 can be written as Eight hundred thirteen trillion, two hundred eight billion, one hundred twenty-eight million, seven hundred thirty-eight thousand, six hundred forty-two.

Scientific notation

• Scientific notation: 8.13208128738642 × 10¹⁴

Factors of 813208128738642

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 4951

Divisors of 813208128738642

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 6 7 9 13 14 18 21 26 39 42 63 78 91 117 126 167 182 234 273 334 501 546 819 1002 1033 1093 1169 1503 1638 2066 2171 2186 2338 2633 3006 3099 3279 3507 4342 5266 6198 6513 6558 7014 7231 7651 7899 9297 9837 10521 13026 13429 14209 14462 15197 15302 15798 18431 18594 19539 19674 21042 21693 22953 23697 26858 28418 30394 34229 36862 39078 40287 42627 43386 45591 45906 47394 55293 65079 68458 68859 80574 85254 91182 94003 99463 102687 110586 120861 127881 130158 136773 137718 165879 172511 182531 188006 198926 205374 239603 241722 255762 273546 282009 298389 308061 331758 345022 365062 439711 479206 517533 547593 564018 596778 616122 718809 846027 879422 895167 1035066 1095186 1129069 1207577 1277717 1319133 1437618 1552599 1642779 1692054 1790334 2156427 2242643 2258138 2372903 2415154 2555434 2638266 2719889 2877869 3077977 3105198 3285558 3387207 3622731 3833151 3957399 4312854 4485286 4745806 5439778 5716243 5755738 6155954 6727929 6774414 7118709 7245462 7666302 7903483 7914798 8159667 8633607 9233931 10161621 10868193 11432486 11499453 13455858 14237418 14677897 15698501 15806966 16319334 16610321 17148729 17267214 18467862 19039223 20145083 20183787 20323242 21356127 21736386 22998906 23710449 24479001 25900821 27701793 29355794 31397002 33220642 34297458 35358557 37412297 38078446 40013701 40290166 40367574 42712254 44033691 47095503 47420898 48958002 49830963 51446187 51801642 55403586 57117669 60435249 70717114 71131347 74824594 80027402 88067382 94191006 99661926 102745279 102892374 106075671 112236891 114235338 120041103 120870498 132101073 141286509 142262694 149492889 171353007 181305747 188554523 205490558 212151342 224473782 240082206 247509899 261886079 264202146 282573018 298985778 308235837 318227013 336710673 342706014 360123309 362611494 377109046 454221463 480604123 495019798 523772158 565663569 616471674 636454026 673421346 720246618 742529697 785658237 908442926 924707511 961208246 1131327138 1319881661 1362664389 1441812369 1485059394 1571316474 1696990707 1849415022 2227589091 2356974711 2451208799 2639763322 2725328778 2883624738 2972838677 3179550241 3364228861 3393981414 3959644983 4087993167 4325437107 4455178182 4713949422 4902417598 5904879019 5945677354 6247853599 6359100482 6728457722 7353626397 7919289966 8175986334 8650874214 8918516031 9538650723 10092686583 11809758038 11878934949 12495707198 14707252794 17158461593 17714637057 17837032062 18743560797 19077301446 20185373166 20809870739 22060879191 23757869898 26755548093 28615952169 30278059749 34316923186 35429274114 37487121594 38646902801 41334153133 41619741478 43734975193 44121758382 51475384779 53143911171 53511096186 56230682391 57231904338 60556119498 62429612217 77293805602 82668306266 87469950386 102950769558 106287822342 112461364782 115940708403 124002459399 124859224434 131204925579 154426154337 187288836651 231881416806 248004918798 262409851158 270528319607 308852308674 347822125209 372007378197 374577673302 393614776737 496464059059 541056639214 695644250418 744014756394 787229553474 811584958821 992928118118 1489392177177 1623169917642 2434754876463 2978784354354 3475248413413 4468176531531 4869509752926 6454032767767 6950496826826 8936353063062 10425745240239 12908065535534 19362098303301 20851490480478 31277235720717 38724196606602 45178229374369 58086294909903 62554471441434 90356458748738 116172589819806 135534688123107 271069376246214 406604064369321 813208128738642
• Sum of all divisors σ(n): 2186480169409536
• Sum of proper divisors (its aliquot sum) s(n): 1373272040670894
• 813208128738642 is an abundant number, because the sum of its proper divisors (1373272040670894) is greater than itself. Its abundance is 560063911932252

Bases of 813208128738642

• Binary: 10111000111001101111000101101001000101010101010010₂
• Hexadecimal: 0x2E39BC5A45552
• Base-36: 809ANNFTCI

Squares and roots of 813208128738642

• 813208128738642 squared (813208128738642²) is 661307460646603740709944004164
• 813208128738642 cubed (813208128738642³) is 537780602593327762887459634856505104115705288
• The square root of 813208128738642 is 28516804.3219895521
• The cube root of 813208128738642 is 93339.8797504927

Scales and comparisons

• 813,208,128,738,642 seconds is equal to 25,857,503 years, 3 weeks, 6 days, 15 hours, 50 minutes, 42 seconds.
• To count from 1 to 813,208,128,738,642 would take you about sixty-four million, six hundred forty-three thousand, seven 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 813208128738642 cubic inches would be around 7778.3 feet tall.

Recreational maths with 813208128738642

• 813208128738642 backwards is 246837821802318
• 813208128738642 is a Harshad number.
• The number of decimal digits it has is: 15
• The sum of 813208128738642's digits is 63
• More coming soon!