139007856

Names of 139007856

• Cardinal: 139007856 can be written as One hundred thirty-nine million, seven thousand, eight hundred fifty-six.

Scientific notation

• Scientific notation: 1.39007856 × 10⁸

Factors of 139007856

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 992

Divisors of 139007856

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 4 6 8 12 13 16 24 26 39 48 52 78 104 156 208 312 367 607 624 734 1101 1214 1468 1821 2202 2428 2936 3642 4404 4771 4856 5872 7284 7891 8808 9542 9712 14313 14568 15782 17616 19084 23673 28626 29136 31564 38168 47346 57252 63128 76336 94692 114504 126256 189384 222769 229008 378768 445538 668307 891076 1336614 1782152 2673228 2895997 3564304 5346456 5791994 8687991 10692912 11583988 17375982 23167976 34751964 46335952 69503928 139007856
• Sum of all divisors σ(n): 388419584
• Sum of proper divisors (its aliquot sum) s(n): 249411728
• 139007856 is an abundant number, because the sum of its proper divisors (249411728) is greater than itself. Its abundance is 110403872

Bases of 139007856

• Binary: 1000010010010001011101110000₂
• Hexadecimal: 0x8491770
• Base-36: 2ARF5C

Squares and roots of 139007856

• 139007856 squared (139007856²) is 19323184029716736
• 139007856 cubed (139007856³) is 2686074383064363758678016
• The square root of 139007856 is 11790.1592864557
• The cube root of 139007856 is 518.0199055175

Scales and comparisons

• 139,007,856 seconds is equal to 4 years, 21 weeks, 5 days, 21 hours, 17 minutes, 36 seconds.
• To count from 1 to 139,007,856 would take you about six 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 139007856 cubic inches would be around 43.2 feet tall.

Recreational maths with 139007856

• 139007856 backwards is 658700931
• 139007856 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 139007856's digits is 39
• More coming soon!