68387108015421

Names of 68387108015421

• Cardinal: 68387108015421 can be written as Sixty-eight trillion, three hundred eighty-seven billion, one hundred eight million, fifteen thousand, four hundred twenty-one.

Scientific notation

• Scientific notation: 6.8387108015421 × 10¹³

Factors of 68387108015421

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 304

Divisors of 68387108015421

• Number of divisors d(n): 144
• Complete list of divisors:
  1 3 9 13 27 37 39 81 111 117 243 251 333 351 481 753 999 1053 1369 1443 2259 2997 3159 3263 4107 4329 6777 8991 9287 9789 12321 12987 17797 20331 27861 29367 36963 38961 53391 60993 63001 83583 88101 110889 116883 120731 160173 189003 250749 264303 332667 343619 362193 480519 567009 752247 792909 819013 1030857 1086579 1441557 1701027 2256741 2331037 2457039 3092571 3259737 4324671 4467047 5103081 6993111 7371117 9277713 9779211 13401141 15309243 15813251 20979333 22113351 27833139 29337633 30303481 40203423 47439753 62937999 66340053 83499417 86248369 90910443 120610269 142319259 188813997 199020159 205572263 258745107 272731329 361830807 426957777 566441991 585090287 616716789 776235321 818193987 1085492421 1121228797 1280873331 1755270861 1850150367 2328705963 2454581961 3363686391 3842619993 5265812583 5550451101 6986117889 7363745883 7606173731 10091059173 15797437749 16651353303 20958353667 21648340619 22818521193 30273177519 47392313247 49954059909 64945021857 68455563579 90819532557 142176939741 194835065571 205366690737 272458597671 281428428047 584505196713 616100072211 844285284141 1753515590139 1848300216633 2532855852423 5260546770417 7598567557269 22795702671807 68387108015421
• Sum of all divisors σ(n): 113835676788288
• Sum of proper divisors (its aliquot sum) s(n): 45448568772867
• 68387108015421 is a deficient number, because the sum of its proper divisors (45448568772867) is less than itself. Its deficiency is 22938539242554

Bases of 68387108015421

• Binary: 1111100011001010011101010001111100110100111101₂
• Hexadecimal: 0x3E329D47CD3D
• Base-36: O8OLQEQT9

Squares and roots of 68387108015421

• 68387108015421 squared (68387108015421²) is 4676796542712859185173807241
• 68387108015421 cubed (68387108015421³) is 319832590332651793570448156056014309463461
• The square root of 68387108015421 is 8269649.8121396289
• The cube root of 68387108015421 is 40893.8575184215

Scales and comparisons

• 68,387,108,015,421 seconds is equal to 2,174,498 years, 25 weeks, 6 days, 21 hours, 10 minutes, 21 seconds.
• To count from 1 to 68,387,108,015,421 would take you about five million, four hundred thirty-six thousand, two hundred forty-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 68387108015421 cubic inches would be around 3407.8 feet tall.

Recreational maths with 68387108015421

• 68387108015421 backwards is 12451080178386
• The number of decimal digits it has is: 14
• The sum of 68387108015421's digits is 54
• More coming soon!