138072604878

Names of 138072604878

• Cardinal: 138072604878 can be written as One hundred thirty-eight billion, seventy-two million, six hundred four thousand, eight hundred seventy-eight.

Scientific notation

• Scientific notation: 1.38072604878 × 10¹¹

Factors of 138072604878

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 94

Divisors of 138072604878

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 6 9 13 17 18 26 34 39 51 59 78 102 117 118 153 169 177 221 234 306 338 354 442 507 531 663 767 1003 1014 1062 1326 1521 1534 1989 2006 2197 2301 2873 3009 3042 3481 3978 4394 4602 5746 6018 6591 6903 6962 8619 9027 9971 10443 13039 13182 13806 17238 18054 19773 19942 20886 25857 26078 29913 31329 37349 39117 39546 45253 51714 59177 59826 62658 74698 78234 89739 90506 112047 117351 118354 129623 135759 169507 177531 179478 205379 224094 234702 259246 271518 336141 339014 355062 388869 407277 410758 508521 532593 588289 616137 672282 769301 777738 814554 1017042 1065186 1166607 1176578 1232274 1525563 1538602 1764867 1848411 2203591 2307903 2333214 2669927 3051126 3491443 3529734 3696822 4407182 4615806 5294601 5339854 6610773 6923709 6982886 7647757 8009781 10000913 10474329 10589202 13221546 13847418 15295514 16019562 19832319 20001826 20948658 22943271 24029343 30002739 31422987 34709051 39664638 45388759 45886542 48058686 60005478 62845974 68829813 69418102 90008217 90777518 104127153 130011869 136166277 137659626 180016434 208254306 260023738 272332554 312381459 390035607 408498831 451217663 590053867 624762918 780071214 816997662 902435326 1170106821 1180107734 1353652989 1770161601 2340213642 2707305978 3540323202 4060958967 5310484803 7670700271 8121917934 10620969606 15341400542 23012100813 46024201626 69036302439 138072604878
• Sum of all divisors σ(n): 349055179200
• Sum of proper divisors (its aliquot sum) s(n): 210982574322
• 138072604878 is an abundant number, because the sum of its proper divisors (210982574322) is greater than itself. Its abundance is 72909969444

Bases of 138072604878

• Binary: 10000000100101110001001100000011001110₂
• Hexadecimal: 0x2025C4C0CE
• Base-36: 1RFGV3RI

Squares and roots of 138072604878

• 138072604878 squared (138072604878²) is 19064044217796309394884
• 138072604878 cubed (138072604878³) is 2632222244660510402966457806644152
• The square root of 138072604878 is 371581.2224507585
• The cube root of 138072604878 is 5168.5553653177

Scales and comparisons

• 138,072,604,878 seconds is equal to 4,390 years, 14 weeks, 4 days, 13 hours, 21 minutes, 18 seconds.
• To count from 1 to 138,072,604,878 would take you about eight thousand, seven hundred eighty 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 138072604878 cubic inches would be around 430.7 feet tall.

Recreational maths with 138072604878

• 138072604878 backwards is 878406270831
• The number of decimal digits it has is: 12
• The sum of 138072604878's digits is 54
• More coming soon!