138539570384

Names of 138539570384

• Cardinal: 138539570384 can be written as One hundred thirty-eight billion, five hundred thirty-nine million, five hundred seventy thousand, three hundred eighty-four.

Scientific notation

• Scientific notation: 1.38539570384 × 10¹¹

Factors of 138539570384

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 90093

Divisors of 138539570384

• Number of divisors d(n): 40
• Complete list of divisors:
  1 2 4 8 16 19 38 76 152 304 5381 10762 21524 43048 84691 86096 102239 169382 204478 338764 408956 677528 817912 1355056 1609129 1635824 3218258 6436516 12873032 25746064 455722271 911444542 1822889084 3645778168 7291556336 8658723149 17317446298 34634892596 69269785192 138539570384
• Sum of all divisors σ(n): 282603653280
• Sum of proper divisors (its aliquot sum) s(n): 144064082896
• 138539570384 is an abundant number, because the sum of its proper divisors (144064082896) is greater than itself. Its abundance is 5524512512

Bases of 138539570384

• Binary: 10000001000001100110100001010011010000₂
• Hexadecimal: 0x20419A14D0
• Base-36: 1RN6VSNK

Squares and roots of 138539570384

• 138539570384 squared (138539570384²) is 19193212562183289907456
• 138539570384 cubed (138539570384³) is 2659019422653664868842677358383104
• The square root of 138539570384 is 372209.0412442987
• The cube root of 138539570384 is 5174.3755430195

Scales and comparisons

• 138,539,570,384 seconds is equal to 4,405 years, 6 weeks, 5 days, 5 hours, 59 minutes, 44 seconds.
• To count from 1 to 138,539,570,384 would take you about eight thousand, eight hundred ten 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 138539570384 cubic inches would be around 431.2 feet tall.

Recreational maths with 138539570384

• 138539570384 backwards is 483075935831
• The number of decimal digits it has is: 12
• The sum of 138539570384's digits is 56
• More coming soon!