138799284540

Names of 138799284540

• Cardinal: 138799284540 can be written as One hundred thirty-eight billion, seven hundred ninety-nine million, two hundred eighty-four thousand, five hundred forty.

Scientific notation

• Scientific notation: 1.3879928454 × 10¹¹

Factors of 138799284540

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 6888

Divisors of 138799284540

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 49 60 70 84 98 105 140 147 196 210 245 294 420 490 588 735 980 1470 2940 6871 13742 20613 27484 34355 41226 48097 68710 82452 96194 103065 137420 144291 192388 206130 240485 288582 336679 412260 480970 577164 673358 721455 961940 1010037 1346716 1442910 1683395 2020074 2885820 3366790 4040148 5050185 6733580 10100370 20200740 47210641 94421282 141631923 188842564 236053205 283263846 330474487 472106410 566527692 660948974 708159615 944212820 991423461 1321897948 1416319230 1652372435 1982846922 2313321409 2832638460 3304744870 3965693844 4626642818 4957117305 6609489740 6939964227 9253285636 9914234610 11566607045 13879928454 19828469220 23133214090 27759856908 34699821135 46266428180 69399642270 138799284540
• Sum of all divisors σ(n): 452154904488
• Sum of proper divisors (its aliquot sum) s(n): 313355619948
• 138799284540 is an abundant number, because the sum of its proper divisors (313355619948) is greater than itself. Its abundance is 174556335408

Bases of 138799284540

• Binary: 10000001010001000101010000000100111100₂
• Hexadecimal: 0x205115013C
• Base-36: 1RRHIDDO

Squares and roots of 138799284540

• 138799284540 squared (138799284540²) is 19265241388815883011600
• 138799284540 cubed (138799284540³) is 2674001721258040519798420520664000
• The square root of 138799284540 is 372557.7600050763
• The cube root of 138799284540 is 5177.6069174897

Scales and comparisons

• 138,799,284,540 seconds is equal to 4,413 years, 20 weeks, 1 day, 4 hours, 49 minutes.
• To count from 1 to 138,799,284,540 would take you about eight thousand, eight hundred twenty-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 138799284540 cubic inches would be around 431.5 feet tall.

Recreational maths with 138799284540

• 138799284540 backwards is 045482997831
• 138799284540 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138799284540's digits is 60
• More coming soon!