138729369295

Names of 138729369295

• Cardinal: 138729369295 can be written as One hundred thirty-eight billion, seven hundred twenty-nine million, three hundred sixty-nine thousand, two hundred ninety-five.

Scientific notation

• Scientific notation: 1.38729369295 × 10¹¹

Factors of 138729369295

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1337

Divisors of 138729369295

• Number of divisors d(n): 128
• Complete list of divisors:
  1 5 11 17 29 31 55 85 145 151 155 187 319 341 493 527 755 899 935 1093 1595 1661 1705 2465 2567 2635 4379 4495 4681 5423 5465 5797 8305 9889 12023 12835 15283 18581 21895 23405 27115 28237 28985 31697 33883 48169 49445 51491 60115 74443 76415 79577 92905 135749 141185 158485 165043 168113 169415 204391 240845 257455 348667 372215 372713 397885 538849 576011 678745 818873 825215 840565 875347 982607 1021955 1493239 1743335 1815473 1863565 2307733 2694245 2805731 2880055 4094365 4376735 4786247 4913035 5116333 5927339 6336121 7466195 9077365 10808677 11538665 14028655 16704319 23931235 25385063 25581665 29636695 30863041 31680605 52648717 54043385 56279663 81366199 83521595 86977661 126925315 148373657 154315205 183747509 263243585 281398315 406830995 434888305 741868285 895028189 918737545 956754271 1632110227 2522352169 4475140945 4783771355 8160551135 12611760845 27745873859 138729369295
• Sum of all divisors σ(n): 206888878080
• Sum of proper divisors (its aliquot sum) s(n): 68159508785
• 138729369295 is a deficient number, because the sum of its proper divisors (68159508785) is less than itself. Its deficiency is 70569860510

Bases of 138729369295

• Binary: 10000001001100111010100010111011001111₂
• Hexadecimal: 0x204CEA2ECF
• Base-36: 1RQBVUFJ

Squares and roots of 138729369295

• 138729369295 squared (138729369295²) is 19245837904988488797025
• 138729369295 cubed (138729369295³) is 2669962954112857185046451522347375
• The square root of 138729369295 is 372463.9167691281
• The cube root of 138729369295 is 5176.7374258471

Scales and comparisons

• 138,729,369,295 seconds is equal to 4,411 years, 8 weeks, 3 days, 23 hours, 54 minutes, 55 seconds.
• To count from 1 to 138,729,369,295 would take you about eight thousand, eight hundred twenty-two 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 138729369295 cubic inches would be around 431.4 feet tall.

Recreational maths with 138729369295

• 138729369295 backwards is 592963927831
• The number of decimal digits it has is: 12
• The sum of 138729369295's digits is 64
• More coming soon!