138268615210

Names of 138268615210

• Cardinal: 138268615210 can be written as One hundred thirty-eight billion, two hundred sixty-eight million, six hundred fifteen thousand, two hundred ten.

Scientific notation

• Scientific notation: 1.3826861521 × 10¹¹

Factors of 138268615210

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 14300

Divisors of 138268615210

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 5 10 11 22 31 47 55 61 62 94 110 122 155 235 305 310 341 470 517 610 671 682 1034 1342 1457 1705 1891 2585 2867 2914 3355 3410 3782 5170 5734 6710 7285 9455 14143 14335 14570 16027 18910 20801 28286 28670 31537 32054 41602 63074 70715 80135 88877 104005 141430 155573 157685 160270 177754 208010 311146 315370 438433 444385 664721 777865 862723 876866 888770 977647 1329442 1555730 1725446 1955294 2192165 3323605 4313615 4384330 4822763 4888235 6647210 7311931 8627230 9489953 9645526 9776470 14623862 18979906 20606351 24113815 26744413 36559655 40547981 41212702 47449765 48227630 53488826 73119310 81095962 94899530 103031755 133722065 202739905 206063510 226669861 267444130 294188543 405479810 446027791 453339722 588377086 892055582 1133349305 1256987411 1470942715 2230138955 2266698610 2513974822 2941885430 4460277910 6284937055 12569874110 13826861521 27653723042 69134307605 138268615210
• Sum of all divisors σ(n): 290943664128
• Sum of proper divisors (its aliquot sum) s(n): 152675048918
• 138268615210 is an abundant number, because the sum of its proper divisors (152675048918) is greater than itself. Its abundance is 14406433708

Bases of 138268615210

• Binary: 10000000110001011100111010001000101010₂
• Hexadecimal: 0x203173A22A
• Base-36: 1RIPKAAY

Squares and roots of 138268615210

• 138268615210 squared (138268615210²) is 19118209952091043344100
• 138268615210 cubed (138268615210³) is 2643448415369669007032794523761000
• The square root of 138268615210 is 371844.8805752205
• The cube root of 138268615210 is 5170.9999999875

Scales and comparisons

• 138,268,615,210 seconds is equal to 4,396 years, 26 weeks, 5 days, 4 hours, 40 minutes, 10 seconds.
• To count from 1 to 138,268,615,210 would take you about eight thousand, seven hundred ninety-three 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 138268615210 cubic inches would be around 430.9 feet tall.

Recreational maths with 138268615210

• 138268615210 backwards is 012516862831
• The number of decimal digits it has is: 12
• The sum of 138268615210's digits is 43
• More coming soon!