19997195126742729

Names of 19997195126742729

• Cardinal: 19997195126742729 can be written as Nineteen quadrillion, nine hundred ninety-seven trillion, one hundred ninety-five billion, one hundred twenty-six million, seven hundred forty-two thousand, seven hundred twenty-nine.

Scientific notation

• Scientific notation: 1.9997195126742729 × 10¹⁶

Factors of 19997195126742729

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1361872976

Divisors of 19997195126742729

• Number of divisors d(n): 160
• Complete list of divisors:
  1 3 7 9 19 21 27 29 47 57 63 81 87 133 141 171 189 203 261 329 399 423 513 551 567 609 783 893 987 1197 1269 1363 1539 1653 1827 2349 2679 2961 3591 3807 3857 4089 4959 5481 6251 8037 8883 9541 10773 11571 12267 14877 16443 18753 24111 25897 26649 28623 34713 36801 44631 56259 72333 77691 85869 104139 110403 168777 181279 233073 257607 312417 506331 543837 699219 772821 1631511 2097657 4894533 14683599 1361872871 4085618613 9533110097 12256855839 25875584549 28599330291 36770567517 39494313259 64008024937 77626753647 85797990873 110311702551 118482939777 181129091843 192024074811 232880260941 257393972619 276460192813 355448819331 448056174559 543387275529 576072224433 698640782823 750391951921 772181917857 829380578439 1066346457993 1216152473803 1344168523677 1630161826587 1728216673299 1856232723173 2095922348469 2251175855763 2488141735317 3199039373979 3648457421409 4032505571031 4890485479761 5184650019897 5252743663447 5568698169519 6753527567289 7464425205951 8513067316621 10945372264227 12097516713093 12993629062211 14671456439283 15758230990341 16706094508557 20260582701867 22393275617853 25539201949863 32836116792681 35268421740287 36292550139279 38980887186633 47274692971023 50118283525671 60781748105601 76617605849589 98508350378043 105805265220861 116942661559899 141824078913069 150354850577013 229852817548767 246878952182009 317415795662583 350827984679697 425472236739207 689558452646301 740636856546027 952247386987749 1052483954039091 2221910569638081 2856742160963247 6665731708914243 19997195126742729
• Sum of all divisors σ(n): 37966836674764800
• Sum of proper divisors (its aliquot sum) s(n): 17969641548022071
• 19997195126742729 is a deficient number, because the sum of its proper divisors (17969641548022071) is less than itself. Its deficiency is 2027553578720658

Bases of 19997195126742729

• Binary: 1000111000010110101011111010000000010001001111011001001₂
• Hexadecimal: 0x470B57D0089EC9
• Base-36: 5GWEWMA6NK9

Squares and roots of 19997195126742729

• 19997195126742729 squared (19997195126742729²) is 399887812937023149354029354367441
• 19997195126742729 cubed (19997195126742729³) is 7996634624108047342626468120314086846632541086489
• The square root of 19997195126742729 is 141411439.1650927545
• The cube root of 19997195126742729 is 271429.0717372753

Scales and comparisons

• 19,997,195,126,742,729 seconds is equal to 635,848,949 years, 33 weeks, 3 days, 15 hours, 12 minutes, 9 seconds.
• To count from 1 to 19,997,195,126,742,729 would take you about one billion, nine hundred seven million, five hundred forty-six thousand, eight hundred forty-eight 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 19997195126742729 cubic inches would be around 22619.1 feet tall.

Recreational maths with 19997195126742729

• 19997195126742729 backwards is 92724762159179991
• The number of decimal digits it has is: 17
• The sum of 19997195126742729's digits is 90
• More coming soon!