809465439625038729

Names of 809465439625038729

• Cardinal: 809465439625038729 can be written as Eight hundred nine quadrillion, four hundred sixty-five trillion, four hundred thirty-nine billion, six hundred twenty-five million, thirty-eight thousand, seven hundred twenty-nine.

Scientific notation

• Scientific notation: 8.09465439625038729 × 10¹⁷

Factors of 809465439625038729

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 71990

Divisors of 809465439625038729

• Number of divisors d(n): 135
• Complete list of divisors:
  1 3 9 13 27 39 81 107 117 169 321 351 507 963 1053 1391 1521 2889 4173 4563 8667 11449 12519 13689 18083 34347 37557 54249 71867 103041 112671 148837 162747 215601 309123 446511 488241 646803 927369 934271 1339533 1464723 1934881 1940409 2802813 4018599 5804643 5821227 7689769 8408439 12055797 12145523 17413929 23069307 25225317 36436569 52241787 69207921 75675951 99966997 109309707 156725361 207623763 299900991 327929121 622871289 822805283 899702973 983787363 1299570961 2468415849 2699108919 3898712883 5164865689 7405247547 8097326757 10696468679 11696138649 15494597067 22215742641 32089406037 35088415947 46483791201 66647227923 67143253957 96268218111 105265247841 139054092827 139451373603 201429761871 288804654333 417162278481 418354120809 552640628723 604289285613 866413962999 872862301441 1251486835443 1657921886169 1812867856839 2618586904323 3754460506329 4973765658507 5438603570517 7184328173399 7855760712969 11263381518987 14921296975521 21552984520197 23567282138907 44763890926563 59132547273361 64658953560591 70701846416721 93396266254187 177397641820083 193976860681773 280188798762561 532192925460249 581930582045319 768723114553693 840566396287683 1596578776380747 2306169343661079 2521699188863049 4789736329142241 6918508030983237 7565097566589147 9993400489198009 20755524092949711 29980201467594027 62266572278849133 89940604402782081 269821813208346243 809465439625038729
• Sum of all divisors σ(n): 1321741872835991607
• Sum of proper divisors (its aliquot sum) s(n): 512276433210952878
• 809465439625038729 is a deficient number, because the sum of its proper divisors (512276433210952878) is less than itself. Its deficiency is 297189006414085851

Bases of 809465439625038729

• Binary: 101100111011110011001000011101010010110011100100101110001001₂
• Hexadecimal: 0xB3BCC8752CE4B89
• Base-36: 65EBJTBYFVK9

Squares and roots of 809465439625038729

• 809465439625038729 squared (809465439625038729²) is 655234297947357219714647474749935441
• 809465439625038729 cubed (809465439625038729³) is 530389519045361123532360038398114907271482839874694489
• 809465439625038729 is a perfect square number. Its square root is 899702973
• The cube root of 809465439625038729 is 931964.6445144097

Scales and comparisons

• 809,465,439,625,038,729 seconds is equal to 25,738,497,139 years, 3 weeks, 6 days, 3 hours, 12 minutes, 9 seconds.
• To count from 1 to 809,465,439,625,038,729 would take you about seventy-seven billion, two hundred fifteen million, four hundred ninety-one thousand, four hundred seventeen 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 809465439625038729 cubic inches would be around 77663.7 feet tall.

Recreational maths with 809465439625038729

• 809465439625038729 backwards is 927830526934564908
• The number of decimal digits it has is: 18
• The sum of 809465439625038729's digits is 90
• More coming soon!