138032637577931787990

Names of 138032637577931787990

• Cardinal: 138032637577931787990 can be written as One hundred thirty-eight quintillion, thirty-two quadrillion, six hundred thirty-seven trillion, five hundred seventy-seven billion, nine hundred thirty-one million, seven hundred eighty-seven thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 1.3803263757793178799 × 10²⁰

Factors of 138032637577931787990

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 17682818978

Divisors of 138032637577931787990

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 5 6 10 13 15 26 30 39 65 78 130 149 195 298 390 447 745 894 1490 1937 2235 3874 4470 5811 9685 11622 19370 29055 58110 134333 268666 402999 671665 805998 1343330 1746329 2014995 3492658 4029990 5238987 8731645 10477974 17463290 20015617 26194935 40031234 52389870 60046851 100078085 120093702 200156170 260203021 300234255 520406042 600468510 780609063 1301015105 1561218126 2602030210 3903045315 7806090630 17682684473 35365368946 53048053419 88413422365 106096106838 176826844730 229874898149 265240267095 459749796298 530480534190 689624694447 1149374490745 1379249388894 2298748981490 2634719986477 3448123472235 5269439972954 6896246944470 7904159959431 13173599932385 15808319918862 26347199864770 34251359824201 39520799797155 68502719648402 79041599594310 102754079472603 171256799121005 205508158945206 342513598242010 513770397363015 1027540794726030 2375368053311509 4750736106623018 7126104159934527 11876840266557545 14252208319869054 23753680533115090 30879784693049617 35630520799672635 61759569386099234 71261041599345270 92639354079148851 154398923465248085 185278708158297702 308797846930496170 353929839943414841 463196770395744255 707859679886829682 926393540791488510 1061789519830244523 1769649199717074205 2123579039660489046 3539298399434148410 4601087919264392933 5308947599151222615 9202175838528785866 10617895198302445230 13803263757793178799 23005439596321964665 27606527515586357598 46010879192643929330 69016318788965893995 138032637577931787990
• Sum of all divisors σ(n): 359158323302903779200
• Sum of proper divisors (its aliquot sum) s(n): 221125685724971991210
• 138032637577931787990 is an abundant number, because the sum of its proper divisors (221125685724971991210) is greater than itself. Its abundance is 83093048147040203220

Bases of 138032637577931787990

• Binary: 1110111101110010110011100001000110010000010110111000000111011010110₂
• Hexadecimal: 0x77B96708C82DC0ED6
• Base-36: T4PGMCC0AUXG6

Squares and roots of 138032637577931787990

• 138032637577931787990 squared (138032637577931787990²) is 19053009036720666738774410829318308240100
• 138032637577931787990 cubed (138032637577931787990³) is 2629937091134723041532824569416980510606580737742943216399000
• The square root of 138032637577931787990 is 11748729189.9137664987
• The cube root of 138032637577931787990 is 5168056.6104812911

Scales and comparisons

• 138,032,637,577,931,787,990 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 138,032,637,577,931,787,990 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and nine 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 138032637577931787990 cubic inches would be around 430671.4 feet tall.

Recreational maths with 138032637577931787990

• 138032637577931787990 backwards is 099787139775736230831
• The number of decimal digits it has is: 21
• The sum of 138032637577931787990's digits is 105
• More coming soon!