138343694398

Names of 138343694398

• Cardinal: 138343694398 can be written as One hundred thirty-eight billion, three hundred forty-three million, six hundred ninety-four thousand, three hundred ninety-eight.

Scientific notation

• Scientific notation: 1.38343694398 × 10¹¹

Factors of 138343694398

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 93

Divisors of 138343694398

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 7 13 14 26 49 71 91 98 142 169 182 338 343 497 637 686 923 994 1183 1274 1846 2366 2401 3479 4459 4802 6461 6958 8281 8918 11999 12922 16562 16807 23998 24353 31213 33614 45227 48706 57967 62426 83993 90454 115934 117649 167986 170471 218491 235298 316589 340942 405769 436982 587951 633178 811538 823543 1175902 1193297 1529437 1647086 2216123 2386594 2840383 3058874 4115657 4432246 5680766 5764801 8231314 8353079 10706059 11529602 15512861 16706158 19882681 21412118 28809599 31025722 39765362 57619198 58471553 74942413 108590027 116943106 139178767 149884826 201667193 217180054 278357534 403334386 409300871 760130189 818601742 974251369 1411670351 1520260378 1948502738 2823340702 5320911323 9881692457 10641822646 19763384914 69171847199 138343694398
• Sum of all divisors σ(n): 265849556328
• Sum of proper divisors (its aliquot sum) s(n): 127505861930
• 138343694398 is a deficient number, because the sum of its proper divisors (127505861930) is less than itself. Its deficiency is 10837832468

Bases of 138343694398

• Binary: 10000000110101111011010100000000111110₂
• Hexadecimal: 0x2035ED403E
• Base-36: 1RJY9HRY

Squares and roots of 138343694398

• 138343694398 squared (138343694398²) is 19138977779687216582404
• 138343694398 cubed (138343694398³) is 2647756893043160862903336960172792
• The square root of 138343694398 is 371945.8218585065
• The cube root of 138343694398 is 5171.9357732815

Scales and comparisons

• 138,343,694,398 seconds is equal to 4,398 years, 46 weeks, 6 days, 3 hours, 59 minutes, 58 seconds.
• To count from 1 to 138,343,694,398 would take you about eight thousand, seven hundred ninety-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 138343694398 cubic inches would be around 431 feet tall.

Recreational maths with 138343694398

• 138343694398 backwards is 893496343831
• The number of decimal digits it has is: 12
• The sum of 138343694398's digits is 61
• More coming soon!