139749135872

Names of 139749135872

• Cardinal: 139749135872 can be written as One hundred thirty-nine billion, seven hundred forty-nine million, one hundred thirty-five thousand, eight hundred seventy-two.

Scientific notation

• Scientific notation: 1.39749135872 × 10¹¹

Factors of 139749135872

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 3478

Divisors of 139749135872

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 4 8 16 32 43 64 86 128 172 256 344 512 688 1376 1849 2752 3433 3698 5504 6866 7396 11008 13732 14792 22016 27464 29584 54928 59168 79507 109856 118336 147619 159014 219712 236672 295238 318028 439424 473344 590476 636056 878848 946688 1180952 1272112 1757696 2361904 2544224 4723808 5088448 6347617 9447616 10176896 12695234 18895232 20353792 25390468 37790464 40707584 50780936 75580928 101561872 203123744 272947531 406247488 545895062 812494976 1091790124 1624989952 2183580248 3249979904 4367160496 8734320992 17468641984 34937283968 69874567936 139749135872
• Sum of all divisors σ(n): 285956734800
• Sum of proper divisors (its aliquot sum) s(n): 146207598928
• 139749135872 is an abundant number, because the sum of its proper divisors (146207598928) is greater than itself. Its abundance is 6458463056

Bases of 139749135872

• Binary: 10000010001001101100101001011000000000₂
• Hexadecimal: 0x2089B29600
• Base-36: 1S770ZCW

Squares and roots of 139749135872

• 139749135872 squared (139749135872²) is 19529820976970717200384
• 139749135872 cubed (139749135872³) is 2729275605266516541001751066574848
• The square root of 139749135872 is 373830.3570765755
• The cube root of 139749135872 is 5189.3907939371

Scales and comparisons

• 139,749,135,872 seconds is equal to 4,443 years, 30 weeks, 4 days, 20 hours, 24 minutes, 32 seconds.
• To count from 1 to 139,749,135,872 would take you about eight thousand, eight hundred eighty-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 139749135872 cubic inches would be around 432.4 feet tall.

Recreational maths with 139749135872

• 139749135872 backwards is 278531947931
• The number of decimal digits it has is: 12
• The sum of 139749135872's digits is 59
• More coming soon!