138509408024

Names of 138509408024

• Cardinal: 138509408024 can be written as One hundred thirty-eight billion, five hundred nine million, four hundred eight thousand and twenty-four.

Scientific notation

• Scientific notation: 1.38509408024 × 10¹¹

Factors of 138509408024

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 214

Divisors of 138509408024

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 8 13 26 52 104 169 199 338 398 676 796 1352 1592 2197 2587 4394 5174 8788 10348 17576 20696 33631 39601 67262 79202 134524 158404 269048 316808 437203 514813 874406 1029626 1748812 2059252 3497624 4118504 6692569 7880599 13385138 15761198 26770276 31522396 53540552 63044792 87003397 102447787 174006794 204895574 348013588 409791148 696027176 819582296 1331821231 2663642462 5327284924 10654569848 17313676003 34627352006 69254704012 138509408024
• Sum of all divisors σ(n): 282758280000
• Sum of proper divisors (its aliquot sum) s(n): 144248871976
• 138509408024 is an abundant number, because the sum of its proper divisors (144248871976) is greater than itself. Its abundance is 5739463952

Bases of 138509408024

• Binary: 10000000111111110011011101011100011000₂
• Hexadecimal: 0x203FCDD718
• Base-36: 1RMOXB88

Squares and roots of 138509408024

• 138509408024 squared (138509408024²) is 19184856111158915584576
• 138509408024 cubed (138509408024³) is 2657283062982240138209409665037824
• The square root of 138509408024 is 372168.5210009037
• 138509408024 is a perfect cube number. Its cube root is 5174

Scales and comparisons

• 138,509,408,024 seconds is equal to 4,404 years, 8 weeks, 6 days, 3 hours, 33 minutes, 44 seconds.
• To count from 1 to 138,509,408,024 would take you about eight thousand, eight hundred eight 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 138509408024 cubic inches would be around 431.2 feet tall.

Recreational maths with 138509408024

• 138509408024 backwards is 420804905831
• The number of decimal digits it has is: 12
• The sum of 138509408024's digits is 44
• More coming soon!