139138428740075521

Names of 139138428740075521

• Cardinal: 139138428740075521 can be written as One hundred thirty-nine quadrillion, one hundred thirty-eight trillion, four hundred twenty-eight billion, seven hundred forty million, seventy-five thousand, five hundred twenty-one.

Scientific notation

• Scientific notation: 1.39138428740075521 × 10¹⁷

Factors of 139138428740075521

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 410026076

Divisors of 139138428740075521

• Number of divisors d(n): 16
• Complete list of divisors:
  1 59 2339 2459 138001 145081 5751601 339344459 410021219 24191251921 959039631241 1008242177521 56583338243219 59486288473739 2358278453221619 139138428740075521
• Sum of all divisors σ(n): 141614769048480000
• Sum of proper divisors (its aliquot sum) s(n): 2476340308404479
• 139138428740075521 is a deficient number, because the sum of its proper divisors (2476340308404479) is less than itself. Its deficiency is 136662088431671042

Bases of 139138428740075521

• Binary: 111101110010100011010100111101011101010001000000000000001₂
• Hexadecimal: 0x1EE51A9EBA88001
• Base-36: 1220GFQW2I2P

Squares and roots of 139138428740075521

• 139138428740075521 squared (139138428740075521²) is 19359502352257073734153752783421441
• 139138428740075521 cubed (139138428740075521³) is 2693650738482845280897622442325137847530571110645761
• The square root of 139138428740075521 is 373012638.8476341173
• The cube root of 139138428740075521 is 518182.0500973999

Scales and comparisons

• 139,138,428,740,075,521 seconds is equal to 4,424,171,650 years, 26 weeks, 5 days, 21 hours, 52 minutes, 1 second.
• To count from 1 to 139,138,428,740,075,521 would take you about thirteen billion, two hundred seventy-two million, five hundred fourteen thousand, nine hundred fifty-one 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 139138428740075521 cubic inches would be around 43181.8 feet tall.

Recreational maths with 139138428740075521

• 139138428740075521 backwards is 125570047824831931
• The number of decimal digits it has is: 18
• The sum of 139138428740075521's digits is 70
• More coming soon!