138391015991625

Names of 138391015991625

• Cardinal: 138391015991625 can be written as One hundred thirty-eight trillion, three hundred ninety-one billion, fifteen million, nine hundred ninety-one thousand, six hundred twenty-five.

Scientific notation

• Scientific notation: 1.38391015991625 × 10¹⁴

Factors of 138391015991625

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 162

Divisors of 138391015991625

• Number of divisors d(n): 336
• Complete list of divisors:
  1 3 5 9 15 25 27 45 53 75 81 101 125 135 159 225 243 265 303 375 405 477 505 675 729 795 909 1125 1215 1325 1431 1515 2025 2385 2525 2727 2809 3375 3645 3975 4293 4545 5353 6075 6625 7155 7575 8181 8427 10125 10201 11925 12625 12879 13635 14045 16059 18225 19875 21465 22725 24543 25281 26765 30375 30603 35775 37875 38637 40905 42135 48177 51005 59625 64395 68175 70225 73629 75843 80295 91125 91809 107325 113625 122715 126405 133825 144531 148877 153015 178875 193185 204525 210675 227529 240885 255025 275427 283709 321975 340875 351125 368145 379215 401475 433593 446631 459045 536625 540653 613575 632025 669125 682587 722655 744385 765075 826281 851127 965925 1022625 1053375 1137645 1204425 1275125 1300779 1339893 1377135 1418545 1609875 1621959 1840725 1896075 2007375 2047761 2167965 2233155 2295225 2478843 2553381 2703265 3067875 3160125 3412935 3613275 3721925 3825375 3902337 4019679 4131405 4255635 4829625 4865877 5688225 6022125 6503895 6699465 6885675 7092725 7436529 7660143 8109795 9203625 9480375 10238805 10839825 11165775 11476125 12059037 12394215 12766905 13516325 14597631 15036577 17064675 18066375 18609625 19511685 20098395 20657025 21278175 22980429 24329385 28441125 28654609 32519475 33497325 34428375 35463625 36177111 37182645 38300715 40548975 43792893 45109731 51194025 54199125 55828875 60295185 61971075 63834525 67581625 68941287 72988155 75182885 85323375 85963827 97558425 100491975 103285125 106390875 108531333 114902145 121646925 131378679 135329193 143273045 162597375 167486625 180885555 185913225 191503575 202744875 206823861 218964465 225548655 255970125 257891481 301475925 309855375 319172625 344706435 364940775 375914425 394136037 405987579 429819135 487792125 502459875 542656665 574510725 608234625 656893395 676645965 716365225 773674443 904427775 929566125 957517875 1034119305 1094822325 1127743275 1217962737 1289457405 1507379625 1518694277 1723532175 1824703875 1879572125 1970680185 2029937895 2149095675 2321023329 2713283325 2872553625 3284466975 3383229825 3581826125 3653888211 3868372215 4522138875 4556082831 5170596525 5474111625 5638716375 6089813685 6447287025 6963069987 7593471385 8617660875 9853400925 10149689475 10745478375 10961664633 11605116645 13566416625 13668248493 16422334875 16916149125 18269441055 19341861075 20889209961 22780414155 25852982625 30449068425 32236435125 34815349935 37967356925 41004745479 49267004625 50748447375 54808323165 58025583225 68341242465 91347205275 96709305375 104446049805 113902070775 123014236437 152245342125 174076749675 189836784625 205023727395 274041615825 290127916125 341706212325 369042709311 456736026375 522230249025 569510353875 615071182185 870383748375 1025118636975 1107128127933 1370208079125 1708531061625 1845213546555 2611151245125 3075355910925 5125593184875 5535640639665 9226067732775 15376779554625 27678203198325 46130338663875 138391015991625
• Sum of all divisors σ(n): 266568323027760
• Sum of proper divisors (its aliquot sum) s(n): 128177307036135
• 138391015991625 is a deficient number, because the sum of its proper divisors (128177307036135) is less than itself. Its deficiency is 10213708955490

Bases of 138391015991625

• Binary: 11111011101110110101011010110010010100101001001₂
• Hexadecimal: 0x7DDDAB592949
• Base-36: 1D1ZYDRRK9

Squares and roots of 138391015991625

• 138391015991625 squared (138391015991625²) is 19152073307194206482070140625
• 138391015991625 cubed (138391015991625³) is 2650474883328687730419721065069287572265625
• The square root of 138391015991625 is 11763971.0978744333
• The cube root of 138391015991625 is 51725.2540705241

Scales and comparisons

• 138,391,015,991,625 seconds is equal to 4,400,406 years, 12 weeks, 2 days, 6 hours, 33 minutes, 45 seconds.
• To count from 1 to 138,391,015,991,625 would take you about eleven million, one thousand and fifteen 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 138391015991625 cubic inches would be around 4310.4 feet tall.

Recreational maths with 138391015991625

• 138391015991625 backwards is 526199510193831
• The number of decimal digits it has is: 15
• The sum of 138391015991625's digits is 63
• More coming soon!