138001749123

Names of 138001749123

• Cardinal: 138001749123 can be written as One hundred thirty-eight billion, one million, seven hundred forty-nine thousand, one hundred twenty-three.

Scientific notation

• Scientific notation: 1.38001749123 × 10¹¹

Factors of 138001749123

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 722

Divisors of 138001749123

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 7 21 49 59 147 177 343 413 653 1029 1239 1959 2891 3481 4571 8673 10443 13713 20237 24367 31997 38527 60711 73101 95991 115581 170569 205379 223979 269689 511707 616137 671937 809067 1193983 1437653 1887823 2273093 3581949 4312959 5663469 6819279 10063571 13214761 15911651 30190713 39644283 47734953 70444997 111381557 134112487 211334991 334144671 402337461 779670899 938787409 2339012697 2816362227 6571511863 19714535589 46000583041 138001749123
• Sum of all divisors σ(n): 218613888000
• Sum of proper divisors (its aliquot sum) s(n): 80612138877
• 138001749123 is a deficient number, because the sum of its proper divisors (80612138877) is less than itself. Its deficiency is 57389610246

Bases of 138001749123

• Binary: 10000000100001100010111001010010000011₂
• Hexadecimal: 0x20218B9483
• Base-36: 1REAOF43

Squares and roots of 138001749123

• 138001749123 squared (138001749123²) is 19044482761007431269129
• 138001749123 cubed (138001749123³) is 2628171932161845896741005752723867
• The square root of 138001749123 is 371485.8666530935
• The cube root of 138001749123 is 5167.6710852525

Scales and comparisons

• 138,001,749,123 seconds is equal to 4,388 years, 1 week, 3 days, 11 hours, 12 minutes, 3 seconds.
• To count from 1 to 138,001,749,123 would take you about eight thousand, seven hundred seventy-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 138001749123 cubic inches would be around 430.6 feet tall.

Recreational maths with 138001749123

• 138001749123 backwards is 321947100831
• The number of decimal digits it has is: 12
• The sum of 138001749123's digits is 39
• More coming soon!