155431428684

Names of 155431428684

• Cardinal: 155431428684 can be written as One hundred fifty-five billion, four hundred thirty-one million, four hundred twenty-eight thousand, six hundred eighty-four.

Scientific notation

• Scientific notation: 1.55431428684 × 10¹¹

Factors of 155431428684

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 43032012

Divisors of 155431428684

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 4 6 7 12 14 21 28 42 43 84 86 129 172 258 301 516 602 903 1204 1806 3612 43031957 86063914 129095871 172127828 258191742 301223699 516383484 602447398 903671097 1204894796 1807342194 1850374151 3614684388 3700748302 5551122453 7401496604 11102244906 12952619057 22204489812 25905238114 38857857171 51810476228 77715714342 155431428684
• Sum of all divisors σ(n): 424122978048
• Sum of proper divisors (its aliquot sum) s(n): 268691549364
• 155431428684 is an abundant number, because the sum of its proper divisors (268691549364) is greater than itself. Its abundance is 113260120680

Bases of 155431428684

• Binary: 10010000110000011011110110001001001100₂
• Hexadecimal: 0x24306F624C
• Base-36: 1ZEJUXXO

Squares and roots of 155431428684

• 155431428684 squared (155431428684²) is 24158929022749377971856
• 155431428684 cubed (155431428684³) is 3755056853481287755837896423117504
• The square root of 155431428684 is 394247.9279387527
• The cube root of 155431428684 is 5376.6646071561

Scales and comparisons

• 155,431,428,684 seconds is equal to 4,942 years, 12 weeks, 2 days, 20 hours, 51 minutes, 24 seconds.
• To count from 1 to 155,431,428,684 would take you about nine thousand, eight hundred eighty-four 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 155431428684 cubic inches would be around 448.1 feet tall.

Recreational maths with 155431428684

• 155431428684 backwards is 486824134551
• The number of decimal digits it has is: 12
• The sum of 155431428684's digits is 51
• More coming soon!