138907109004

Names of 138907109004

• Cardinal: 138907109004 can be written as One hundred thirty-eight billion, nine hundred seven million, one hundred nine thousand and four.

Scientific notation

• Scientific notation: 1.38907109004 × 10¹¹

Factors of 138907109004

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1292116

Divisors of 138907109004

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 12 17 31 34 51 62 68 93 102 124 186 204 289 372 527 578 867 1054 1156 1581 1734 2108 3162 3468 6324 8959 17918 26877 35836 53754 107508 1292063 2584126 3876189 5168252 7752378 15504756 21965071 40053953 43930142 65895213 80107906 87860284 120161859 131790426 160215812 240323718 263580852 373406207 480647436 680917201 746812414 1120218621 1361834402 1493624828 2042751603 2240437242 2723668804 4085503206 4480874484 8171006412 11575592417 23151184834 34726777251 46302369668 69453554502 138907109004
• Sum of all divisors σ(n): 355410628608
• Sum of proper divisors (its aliquot sum) s(n): 216503519604
• 138907109004 is an abundant number, because the sum of its proper divisors (216503519604) is greater than itself. Its abundance is 77596410600

Bases of 138907109004

• Binary: 10000001010111100000100100011010001100₂
• Hexadecimal: 0x205782468C
• Base-36: 1RT9PF9O

Squares and roots of 138907109004

• 138907109004 squared (138907109004²) is 19295184931849137872016
• 138907109004 cubed (138907109004³) is 2680238356580706505671551113232064
• The square root of 138907109004 is 372702.4402978869
• The cube root of 138907109004 is 5178.9472898903

Scales and comparisons

• 138,907,109,004 seconds is equal to 4,416 years, 42 weeks, 3 days, 4 hours, 3 minutes, 24 seconds.
• To count from 1 to 138,907,109,004 would take you about eight thousand, eight hundred thirty-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 138907109004 cubic inches would be around 431.6 feet tall.

Recreational maths with 138907109004

• 138907109004 backwards is 400901709831
• The number of decimal digits it has is: 12
• The sum of 138907109004's digits is 42
• More coming soon!