138997697104

Names of 138997697104

• Cardinal: 138997697104 can be written as One hundred thirty-eight billion, nine hundred ninety-seven million, six hundred ninety-seven thousand, one hundred four.

Scientific notation

• Scientific notation: 1.38997697104 × 10¹¹

Factors of 138997697104

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1087859

Divisors of 138997697104

• Number of divisors d(n): 60
• Complete list of divisors:
  1 2 4 7 8 14 16 28 49 56 98 112 163 196 326 392 652 784 1141 1304 2282 2608 4564 7987 9128 15974 18256 31948 63896 127792 1087687 2175374 4350748 7613809 8701496 15227618 17402992 30455236 53296663 60910472 106593326 121820944 177292981 213186652 354585962 426373304 709171924 852746608 1241050867 1418343848 2482101734 2836687696 4964203468 8687356069 9928406936 17374712138 19856813872 34749424276 69498848552 138997697104
• Sum of all divisors σ(n): 315198930144
• Sum of proper divisors (its aliquot sum) s(n): 176201233040
• 138997697104 is an abundant number, because the sum of its proper divisors (176201233040) is greater than itself. Its abundance is 37203535936

Bases of 138997697104

• Binary: 10000001011100111010001000101001010000₂
• Hexadecimal: 0x205CE88A50
• Base-36: 1RURN1HS

Squares and roots of 138997697104

• 138997697104 squared (138997697104²) is 19320359800215329986816
• 138997697104 cubed (138997697104³) is 2685485519450628391484858681380864
• The square root of 138997697104 is 372823.9492092749
• The cube root of 138997697104 is 5180.0728599443

Scales and comparisons

• 138,997,697,104 seconds is equal to 4,419 years, 36 weeks, 1 day, 15 hours, 25 minutes, 4 seconds.
• To count from 1 to 138,997,697,104 would take you about eight thousand, eight hundred thirty-nine 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 138997697104 cubic inches would be around 431.7 feet tall.

Recreational maths with 138997697104

• 138997697104 backwards is 401796799831
• The number of decimal digits it has is: 12
• The sum of 138997697104's digits is 64
• More coming soon!