138743327655

Names of 138743327655

• Cardinal: 138743327655 can be written as One hundred thirty-eight billion, seven hundred forty-three million, three hundred twenty-seven thousand, six hundred fifty-five.

Scientific notation

• Scientific notation: 1.38743327655 × 10¹¹

Factors of 138743327655

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 5052

Divisors of 138743327655

• Number of divisors d(n): 128
• Complete list of divisors:
  1 3 5 9 15 17 27 45 51 53 85 135 153 159 241 255 265 459 477 723 765 795 901 1205 1431 2169 2295 2385 2703 3615 4097 4505 4733 6507 7155 8109 10845 12291 12773 13515 14199 20485 23665 24327 32535 36873 38319 40545 42597 61455 63865 70995 80461 110619 114957 121635 127791 184365 191595 212985 217141 241383 250849 344871 402305 553095 574785 638955 651423 724149 752547 1085705 1140653 1206915 1254245 1724355 1954269 2172447 2257641 3257115 3421959 3620745 3762735 4264433 5703265 5862807 6772923 9771345 10265877 10862235 11288205 12793299 17109795 19391101 21322165 29314035 30797631 33864615 38379897 51329385 58173303 60454609 63966495 96955505 115139691 153988155 174519909 181363827 191899485 290866515 302273045 523559727 544091481 575698455 872599545 906819135 1027728353 1632274443 2617798635 2720457405 3083185059 5138641765 8161372215 9249555177 15415925295 27748665531 46247775885 138743327655
• Sum of all divisors σ(n): 267252099840
• Sum of proper divisors (its aliquot sum) s(n): 128508772185
• 138743327655 is a deficient number, because the sum of its proper divisors (128508772185) is less than itself. Its deficiency is 10234555470

Bases of 138743327655

• Binary: 10000001001101101111110010101110100111₂
• Hexadecimal: 0x204DBF2BA7
• Base-36: 1RQK70RR

Squares and roots of 138743327655

• 138743327655 squared (138743327655²) is 19249710968782687799025
• 138743327655 cubed (138743327655³) is 2670768956205863929791696364536375
• The square root of 138743327655 is 372482.6541666069
• The cube root of 138743327655 is 5176.9110404701

Scales and comparisons

• 138,743,327,655 seconds is equal to 4,411 years, 31 weeks, 4 days, 13 hours, 14 minutes, 15 seconds.
• To count from 1 to 138,743,327,655 would take you about eight thousand, eight hundred twenty-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 138743327655 cubic inches would be around 431.4 feet tall.

Recreational maths with 138743327655

• 138743327655 backwards is 556723347831
• The number of decimal digits it has is: 12
• The sum of 138743327655's digits is 54
• More coming soon!