138180397260

Names of 138180397260

• Cardinal: 138180397260 can be written as One hundred thirty-eight billion, one hundred eighty million, three hundred ninety-seven thousand, two hundred sixty.

Scientific notation

• Scientific notation: 1.3818039726 × 10¹¹

Factors of 138180397260

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 77132

Divisors of 138180397260

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 5 6 10 12 15 20 30 60 173 346 519 692 865 1038 1730 2076 2595 3460 5190 10380 29929 59858 76949 89787 119716 149645 153898 179574 230847 299290 307796 359148 384745 448935 461694 598580 769490 897870 923388 1154235 1538980 1795740 2308470 4616940 13312177 26624354 39936531 53248708 66560885 79873062 133121770 159746124 199682655 266243540 399365310 798730620 2303006621 4606013242 6909019863 9212026484 11515033105 13818039726 23030066210 27636079452 34545099315 46060132420 69090198630 138180397260
• Sum of all divisors σ(n): 389159542800
• Sum of proper divisors (its aliquot sum) s(n): 250979145540
• 138180397260 is an abundant number, because the sum of its proper divisors (250979145540) is greater than itself. Its abundance is 112798748280

Bases of 138180397260

• Binary: 10000000101100001100011000100011001100₂
• Hexadecimal: 0x202C3188CC
• Base-36: 1RH91GWC

Squares and roots of 138180397260

• 138180397260 squared (138180397260²) is 19093822186931415507600
• 138180397260 cubed (138180397260³) is 2638391935001984975214292549176000
• The square root of 138180397260 is 371726.2396710783
• The cube root of 138180397260 is 5169.9000346069

Scales and comparisons

• 138,180,397,260 seconds is equal to 4,393 years, 36 weeks, 6 days, 3 hours, 41 minutes.
• To count from 1 to 138,180,397,260 would take you about eight thousand, seven hundred eighty-seven 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 138180397260 cubic inches would be around 430.8 feet tall.

Recreational maths with 138180397260

• 138180397260 backwards is 062793081831
• The number of decimal digits it has is: 12
• The sum of 138180397260's digits is 48
• More coming soon!