138626294880

Names of 138626294880

• Cardinal: 138626294880 can be written as One hundred thirty-eight billion, six hundred twenty-six million, two hundred ninety-four thousand, eight hundred eighty.

Scientific notation

• Scientific notation: 1.3862629488 × 10¹¹

Factors of 138626294880

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 671

Divisors of 138626294880

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 96 120 160 240 480 661 1322 1983 2644 3305 3966 5288 6610 7932 9915 10576 13220 15864 19830 21152 26440 31728 39660 52880 63456 79320 105760 158640 317280 436921 873842 1310763 1747684 2184605 2621526 3495368 4369210 5243052 6553815 6990736 8738420 10486104 13107630 13981472 17476840 20972208 26215260 34953680 41944416 52430520 69907360 104861040 209722080 288804781 577609562 866414343 1155219124 1444023905 1732828686 2310438248 2888047810 3465657372 4332071715 4620876496 5776095620 6931314744 8664143430 9241752992 11552191240 13862629488 17328286860 23104382480 27725258976 34656573720 46208764960 69313147440 138626294880
• Sum of all divisors σ(n): 437334454368
• Sum of proper divisors (its aliquot sum) s(n): 298708159488
• 138626294880 is an abundant number, because the sum of its proper divisors (298708159488) is greater than itself. Its abundance is 160081864608

Bases of 138626294880

• Binary: 10000001000110110001010110010001100000₂
• Hexadecimal: 0x2046C56460
• Base-36: 1ROMILPC

Squares and roots of 138626294880

• 138626294880 squared (138626294880²) is 19217249632156714214400
• 138626294880 cubed (138626294880³) is 2664016114289928195057301942272000
• The square root of 138626294880 is 372325.5227351463
• The cube root of 138626294880 is 5175.4550216253

Scales and comparisons

• 138,626,294,880 seconds is equal to 4,407 years, 46 weeks, 1 day, 8 minutes.
• To count from 1 to 138,626,294,880 would take you about eight thousand, eight hundred fifteen 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 138626294880 cubic inches would be around 431.3 feet tall.

Recreational maths with 138626294880

• 138626294880 backwards is 088492626831
• The number of decimal digits it has is: 12
• The sum of 138626294880's digits is 57
• More coming soon!