67428343797875905

Names of 67428343797875905

• Cardinal: 67428343797875905 can be written as Sixty-seven quadrillion, four hundred twenty-eight trillion, three hundred forty-three billion, seven hundred ninety-seven million, eight hundred seventy-five thousand, nine hundred five.

Scientific notation

• Scientific notation: 6.7428343797875905 × 10¹⁶

Factors of 67428343797875905

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 38386

Divisors of 67428343797875905

• Number of divisors d(n): 96
• Complete list of divisors:
  1 5 13 41 65 101 173 205 505 533 865 1313 2249 2665 4141 6565 7093 11245 17473 20705 35465 38053 53833 87365 92209 190265 227149 269165 461045 494689 716393 1135745 1560173 2473445 3581965 3843353 6583169 7800865 9313109 19216765 20282249 32915845 46565545 49963589 85581197 101411245 157577473 249817945 269909929 427905985 664900069 787887365 1349549645 1448030809 2048507149 3324500345 3508829077 7240154045 8643700897 10242535745 17544145385 18824400517 27260902829 43218504485 59369263169 94122002585 136304514145 146251111709 250509329957 296846315845 354391736777 731255558545 771800421197 1252546649785 1771958683885 1901264452217 3256621289441 3859002105985 5996295580069 9506322261085 10270882528237 16283106447205 25301442325657 29981477900345 51354412641185 77951842540897 126507211628285 133521472867081 328918750233541 389759212704485 667607364335405 1037359135351937 1644593751167705 5186795676759685 13485668759575181 67428343797875905
• Sum of all divisors σ(n): 90670750764888672
• Sum of proper divisors (its aliquot sum) s(n): 23242406967012767
• 67428343797875905 is a deficient number, because the sum of its proper divisors (23242406967012767) is less than itself. Its deficiency is 44185936830863138

Bases of 67428343797875905

• Binary: 11101111100011011011100010101111110111011000010011000001₂
• Hexadecimal: 0xEF8DB8AFDD84C1
• Base-36: IFXCPID0CLD

Squares and roots of 67428343797875905

• 67428343797875905 squared (67428343797875905²) is 4546581547324550024156789779569025
• 67428343797875905 cubed (67428343797875905³) is 306568463678078358077377986277545117143961331842625
• The square root of 67428343797875905 is 259669682.0922225125
• The cube root of 67428343797875905 is 407018.5138040041

Scales and comparisons

• 67,428,343,797,875,905 seconds is equal to 2,144,012,763 years, 10 weeks, 6 days, 17 hours, 58 minutes, 25 seconds.
• To count from 1 to 67,428,343,797,875,905 would take you about six billion, four hundred thirty-two million, thirty-eight thousand, two hundred eighty-nine 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 67428343797875905 cubic inches would be around 33918.2 feet tall.

Recreational maths with 67428343797875905

• 67428343797875905 backwards is 50957879734382476
• The number of decimal digits it has is: 17
• The sum of 67428343797875905's digits is 94
• More coming soon!