68181035013

Names of 68181035013

• Cardinal: 68181035013 can be written as Sixty-eight billion, one hundred eighty-one million, thirty-five thousand and thirteen.

Scientific notation

• Scientific notation: 6.8181035013 × 10¹⁰

Factors of 68181035013

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 115

Divisors of 68181035013

• Number of divisors d(n): 288
• Complete list of divisors:
  1 3 7 9 13 19 21 27 39 57 63 73 81 91 117 133 169 171 189 219 243 247 273 351 361 399 507 511 513 567 657 729 741 819 949 1053 1083 1183 1197 1387 1521 1533 1539 1701 1729 1971 2187 2223 2457 2527 2847 3159 3211 3249 3549 3591 4161 4563 4599 4617 4693 5103 5187 5913 6643 6669 7371 7581 8541 9477 9633 9709 9747 10647 10773 12337 12483 13689 13797 13851 14079 15309 15561 17739 18031 19929 20007 22113 22477 22743 25623 26353 28431 28899 29127 29241 31941 32319 32851 37011 37449 41067 41391 41553 42237 46683 53217 54093 59787 60021 61009 66339 67431 68229 76869 79059 86359 86697 87381 87723 95823 96957 98553 111033 112347 123201 124173 126217 126711 140049 159651 162279 179361 180063 183027 184471 199017 202293 204687 230607 234403 237177 259077 260091 262143 263169 287469 290871 295659 333099 337041 342589 369603 372519 378651 380133 420147 427063 486837 538083 540189 549081 553413 606879 614061 691821 703209 711531 777231 780273 786429 789507 862407 886977 999297 1011123 1027767 1117557 1135953 1140399 1260441 1281189 1460511 1614249 1640821 1647243 1660239 1820637 1842183 2075463 2109627 2134593 2331693 2340819 2359287 2398123 2587221 2660931 2997891 3033369 3083301 3407859 3421197 3781323 3843567 4381533 4453657 4842747 4922463 4941729 4980717 5461911 5526549 6328881 6403779 6995079 7022457 7077861 7194369 7982793 8993673 9249903 10223577 10263591 11530701 13144599 13360971 14528241 14767389 14825187 14942151 16385733 18986643 19211337 20985237 21233583 21583107 23948379 26981019 27749709 30670731 31175599 34592103 39433797 40082913 44302167 44475561 44826453 49157199 56959929 57634011 62955711 64749321 71845137 83249127 92012193 93526797 103776309 120248739 132906501 133426683 134479359 170879787 188867133 194247963 249747381 276036579 280580391 311328927 360746217 398719503 403438077 512639361 582743889 749242143 841741173 933986781 1082238651 1196158509 1748231667 2525223519 3246715953 3588475527 5244695001 7575670557 9740147859 22727011671 68181035013
• Sum of all divisors σ(n): 135385332480
• Sum of proper divisors (its aliquot sum) s(n): 67204297467
• 68181035013 is a deficient number, because the sum of its proper divisors (67204297467) is less than itself. Its deficiency is 976737546

Bases of 68181035013

• Binary: 111111011111111010000000100000000101₂
• Hexadecimal: 0xFDFE80805
• Base-36: VBL87B9

Squares and roots of 68181035013

• 68181035013 squared (68181035013²) is 4648653535443931910169
• 68181035013 cubed (68181035013³) is 316950009463408958065620559747197
• The square root of 68181035013 is 261114.9842751273
• The cube root of 68181035013 is 4085.2740612957

Scales and comparisons

• 68,181,035,013 seconds is equal to 2,167 years, 49 weeks, 1 day, 8 hours, 23 minutes, 33 seconds.
• To count from 1 to 68,181,035,013 would take you about four thousand, three hundred thirty-five 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 68181035013 cubic inches would be around 340.4 feet tall.

Recreational maths with 68181035013

• 68181035013 backwards is 31053018186
• The number of decimal digits it has is: 11
• The sum of 68181035013's digits is 36
• More coming soon!