138125209104

Names of 138125209104

• Cardinal: 138125209104 can be written as One hundred thirty-eight billion, one hundred twenty-five million, two hundred nine thousand, one hundred four.

Scientific notation

• Scientific notation: 1.38125209104 × 10¹¹

Factors of 138125209104

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 30976

Divisors of 138125209104

• Number of divisors d(n): 45
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 30971 61942 92913 123884 185826 247768 278739 371652 495536 557478 743304 1114956 1486608 2229912 4459824 959202841 1918405682 2877608523 3836811364 5755217046 7673622728 8632825569 11510434092 15347245456 17265651138 23020868184 34531302276 46041736368 69062604552 138125209104
• Sum of all divisors σ(n): 386571226639
• Sum of proper divisors (its aliquot sum) s(n): 248446017535
• 138125209104 is an abundant number, because the sum of its proper divisors (248446017535) is greater than itself. Its abundance is 110320808431

Bases of 138125209104

• Binary: 10000000101000111001110110111000010000₂
• Hexadecimal: 0x2028E76E10
• Base-36: 1RGC6LG0

Squares and roots of 138125209104

• 138125209104 squared (138125209104²) is 19078573390023724482816
• 138125209104 cubed (138125209104³) is 2635231938903037091709844254756864
• 138125209104 is a perfect square number. Its square root is 371652
• The cube root of 138125209104 is 5169.2116705839

Scales and comparisons

• 138,125,209,104 seconds is equal to 4,391 years, 49 weeks, 4 days, 9 hours, 38 minutes, 24 seconds.
• To count from 1 to 138,125,209,104 would take you about eight thousand, seven hundred eighty-three 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 138125209104 cubic inches would be around 430.8 feet tall.

Recreational maths with 138125209104

• 138125209104 backwards is 401902521831
• 138125209104 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138125209104's digits is 36
• More coming soon!