138091352864

Names of 138091352864

• Cardinal: 138091352864 can be written as One hundred thirty-eight billion, ninety-one million, three hundred fifty-two thousand, eight hundred sixty-four.

Scientific notation

• Scientific notation: 1.38091352864 × 10¹¹

Factors of 138091352864

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 92089

Divisors of 138091352864

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 4 8 16 32 73 146 292 584 647 1168 1294 2336 2588 5176 10352 20704 47231 91367 94462 182734 188924 365468 377848 730936 755696 1461872 1511392 2923744 6669791 13339582 26679164 53358328 59114449 106716656 118228898 213433312 236457796 472915592 945831184 1891662368 4315354777 8630709554 17261419108 34522838216 69045676432 138091352864
• Sum of all divisors σ(n): 276020535168
• Sum of proper divisors (its aliquot sum) s(n): 137929182304
• 138091352864 is a deficient number, because the sum of its proper divisors (137929182304) is less than itself. Its deficiency is 162170560

Bases of 138091352864

• Binary: 10000000100110111000101101001100100000₂
• Hexadecimal: 0x2026E2D320
• Base-36: 1RFS0XSW

Squares and roots of 138091352864

• 138091352864 squared (138091352864²) is 19069221735809761002496
• 138091352864 cubed (138091352864³) is 2633294627561564291371181520748544
• The square root of 138091352864 is 371606.4488999081
• The cube root of 138091352864 is 5168.7892896317

Scales and comparisons

• 138,091,352,864 seconds is equal to 4,390 years, 45 weeks, 4 days, 13 hours, 7 minutes, 44 seconds.
• To count from 1 to 138,091,352,864 would take you about eight thousand, seven hundred eighty-one 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 138091352864 cubic inches would be around 430.7 feet tall.

Recreational maths with 138091352864

• 138091352864 backwards is 468253190831
• The number of decimal digits it has is: 12
• The sum of 138091352864's digits is 50
• More coming soon!