138043372644

Names of 138043372644

• Cardinal: 138043372644 can be written as One hundred thirty-eight billion, forty-three million, three hundred seventy-two thousand, six hundred forty-four.

Scientific notation

• Scientific notation: 1.38043372644 × 10¹¹

Factors of 138043372644

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 6604

Divisors of 138043372644

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 9 12 18 36 439 878 1317 1756 2213 2634 3947 3951 4426 5268 6639 7894 7902 8852 11841 13278 15788 15804 19917 23682 26556 35523 39834 47364 71046 79668 142092 971507 1732733 1943014 2914521 3465466 3886028 5198199 5829042 6930932 8734711 8743563 10396398 11658084 15594597 17469422 17487126 20792796 26204133 31189194 34938844 34974252 52408266 62378388 78612399 104816532 157224798 314449596 3834538129 7669076258 11503614387 15338152516 23007228774 34510843161 46014457548 69021686322 138043372644
• Sum of all divisors σ(n): 349984514880
• Sum of proper divisors (its aliquot sum) s(n): 211941142236
• 138043372644 is an abundant number, because the sum of its proper divisors (211941142236) is greater than itself. Its abundance is 73897769592

Bases of 138043372644

• Binary: 10000000100100000001101011010001100100₂
• Hexadecimal: 0x202406B464
• Base-36: 1REZGK10

Squares and roots of 138043372644

• 138043372644 squared (138043372644²) is 19055972730930247550736
• 138043372644 cubed (138043372644³) is 2630550744789706507417417944465984
• The square root of 138043372644 is 371541.8854503487
• The cube root of 138043372644 is 5168.1905836051

Scales and comparisons

• 138,043,372,644 seconds is equal to 4,389 years, 18 weeks, 2 days, 5 hours, 17 minutes, 24 seconds.
• To count from 1 to 138,043,372,644 would take you about eight thousand, seven hundred seventy-eight 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 138043372644 cubic inches would be around 430.7 feet tall.

Recreational maths with 138043372644

• 138043372644 backwards is 446273340831
• The number of decimal digits it has is: 12
• The sum of 138043372644's digits is 45
• More coming soon!