139420309867749

Names of 139420309867749

• Cardinal: 139420309867749 can be written as One hundred thirty-nine trillion, four hundred twenty billion, three hundred nine million, eight hundred sixty-seven thousand, seven hundred forty-nine.

Scientific notation

• Scientific notation: 1.39420309867749 × 10¹⁴

Factors of 139420309867749

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 411

Divisors of 139420309867749

• Number of divisors d(n): 108
• Complete list of divisors:
  1 3 9 19 27 57 81 171 243 361 389 513 729 1083 1167 1539 2187 3249 3501 4617 6561 7391 9747 10503 13851 22173 29241 31509 41553 66519 87723 94527 124659 140429 151321 199557 263169 283581 421287 453963 598671 789507 850743 1263861 1361889 1796013 2368521 2552229 2875099 3791583 4085667 5388039 8625297 11374749 12257001 16164117 25875891 34124247 36771003 48492351 54626881 58863869 77627673 102372741 110313009 163880643 176591607 232883019 307118223 330939027 491641929 529774821 698649057 921354669 992817081 1118413511 1474925787 1589324463 2095947171 3355240533 4424777361 4767973389 6287841513 10065721599 13274332083 14303920167 18863524539 21249856709 30197164797 39822996249 42911760501 63749570127 90591494391 119468988747 128735281503 191248710381 271774483173 358406966241 386205844509 573746131143 815323449519 1721238393429 2445970348557 5163715180287 7337911045671 15491145540861 46473436622583 139420309867749
• Sum of all divisors σ(n): 221274254979180
• Sum of proper divisors (its aliquot sum) s(n): 81853945111431
• 139420309867749 is a deficient number, because the sum of its proper divisors (81853945111431) is less than itself. Its deficiency is 57566364756318

Bases of 139420309867749

• Binary: 11111101100110101010010000010110100110011100101₂
• Hexadecimal: 0x7ECD520B4CE5
• Base-36: 1DF4T0RPB9

Squares and roots of 139420309867749

• 139420309867749 squared (139420309867749²) is 19438022803619149181870327001
• 139420309867749 cubed (139420309867749³) is 2710055162496952947071171271829257693790749
• The square root of 139420309867749 is 11807637.7767845249
• The cube root of 139420309867749 is 51853.1743119935

Scales and comparisons

• 139,420,309,867,749 seconds is equal to 4,433,134 years, 31 weeks, 20 hours, 9 minutes, 9 seconds.
• To count from 1 to 139,420,309,867,749 would take you about eleven million, eighty-two thousand, eight hundred thirty-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 139420309867749 cubic inches would be around 4321.1 feet tall.

Recreational maths with 139420309867749

• 139420309867749 backwards is 947768903024931
• The number of decimal digits it has is: 15
• The sum of 139420309867749's digits is 72
• More coming soon!