138492929127

Names of 138492929127

• Cardinal: 138492929127 can be written as One hundred thirty-eight billion, four hundred ninety-two million, nine hundred twenty-nine thousand, one hundred twenty-seven.

Scientific notation

• Scientific notation: 1.38492929127 × 10¹¹

Factors of 138492929127

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 203203

Divisors of 138492929127

• Number of divisors d(n): 32
• Complete list of divisors:
  1 3 7 19 21 57 133 399 1723 5169 12061 32737 36183 98211 201451 229159 604353 687477 1410157 3827569 4230471 11482707 26792983 80378949 347100073 1041300219 2429700511 6594901387 7289101533 19784704161 46164309709 138492929127
• Sum of all divisors σ(n): 222274078720
• Sum of proper divisors (its aliquot sum) s(n): 83781149593
• 138492929127 is a deficient number, because the sum of its proper divisors (83781149593) is less than itself. Its deficiency is 54711779534

Bases of 138492929127

• Binary: 10000000111110110100100110010001100111₂
• Hexadecimal: 0x203ED26467
• Base-36: 1RMF4413

Squares and roots of 138492929127

• 138492929127 squared (138492929127²) is 19180291418176244982129
• 138492929127 cubed (138492929127³) is 2656334740012689015904980978571383
• The square root of 138492929127 is 372146.3813165459
• The cube root of 138492929127 is 5173.7948028807

Scales and comparisons

• 138,492,929,127 seconds is equal to 4,403 years, 33 weeks, 4 days, 10 hours, 5 minutes, 27 seconds.
• To count from 1 to 138,492,929,127 would take you about eight thousand, eight hundred seven 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 138492929127 cubic inches would be around 431.1 feet tall.

Recreational maths with 138492929127

• 138492929127 backwards is 721929294831
• 138492929127 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138492929127's digits is 57
• More coming soon!