138380513256

Names of 138380513256

• Cardinal: 138380513256 can be written as One hundred thirty-eight billion, three hundred eighty million, five hundred thirteen thousand, two hundred fifty-six.

Scientific notation

• Scientific notation: 1.38380513256 × 10¹¹

Factors of 138380513256

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 150635

Divisors of 138380513256

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 8 9 12 18 24 36 72 113 226 339 452 678 904 1017 1356 2034 2712 4068 8136 12769 25538 38307 51076 76614 102152 114921 150517 153228 229842 301034 306456 451551 459684 602068 903102 919368 1204136 1354653 1806204 2709306 3612408 5418612 10837224 17008421 34016842 51025263 68033684 102050526 136067368 153075789 204101052 306151578 408202104 612303156 1224606312 1921951573 3843903146 5765854719 7687806292 11531709438 15375612584 17297564157 23063418876 34595128314 46126837752 69190256628 138380513256
• Sum of all divisors σ(n): 378129061830
• Sum of proper divisors (its aliquot sum) s(n): 239748548574
• 138380513256 is an abundant number, because the sum of its proper divisors (239748548574) is greater than itself. Its abundance is 101368035318

Bases of 138380513256

• Binary: 10000000111000000111110000111111101000₂
• Hexadecimal: 0x20381F0FE8
• Base-36: 1RKK6NE0

Squares and roots of 138380513256

• 138380513256 squared (138380513256²) is 19149166448993991721536
• 138380513256 cubed (138380513256³) is 2649871481636363519286366708681216
• The square root of 138380513256 is 371995.3134866083
• The cube root of 138380513256 is 5172.3945530833

Scales and comparisons

• 138,380,513,256 seconds is equal to 4,400 years, 3 weeks, 5 days, 7 hours, 27 minutes, 36 seconds.
• To count from 1 to 138,380,513,256 would take you about eight thousand, eight hundred 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 138380513256 cubic inches would be around 431 feet tall.

Recreational maths with 138380513256

• 138380513256 backwards is 652315083831
• The number of decimal digits it has is: 12
• The sum of 138380513256's digits is 45
• More coming soon!