138878751266775

Names of 138878751266775

• Cardinal: 138878751266775 can be written as One hundred thirty-eight trillion, eight hundred seventy-eight billion, seven hundred fifty-one million, two hundred sixty-six thousand, seven hundred seventy-five.

Scientific notation

• Scientific notation: 1.38878751266775 × 10¹⁴

Factors of 138878751266775

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 4664547

Divisors of 138878751266775

• Number of divisors d(n): 216
• Complete list of divisors:
  1 3 5 9 13 15 25 27 29 39 45 65 75 81 87 117 135 145 169 195 225 243 261 325 351 377 405 435 507 585 675 725 783 845 975 1053 1131 1215 1305 1521 1755 1885 2025 2175 2349 2535 2925 3159 3393 3915 4225 4563 4901 5265 5655 6075 6525 7047 7605 8775 9425 10179 11745 12675 13689 14703 15795 16965 19575 22815 24505 26325 28275 30537 35235 38025 41067 44109 50895 58725 68445 73515 78975 84825 91611 114075 122525 132327 152685 176175 205335 220545 254475 342225 367575 396981 458055 661635 763425 1026675 1102725 1190943 1984905 2290275 3308175 4664497 5954715 9924525 13993491 23322485 29773575 41980473 60638461 69967455 116612425 125941419 135270413 181915383 209902365 303192305 349837275 377824257 405811239 545746149 629707095 676352065 788299993 909576915 1049511825 1133472771 1217433717 1515961525 1637238447 1758515369 1889121285 2029056195 2364899979 2728730745 3148535475 3381760325 3652301151 3941499965 4547884575 4911715341 5275546107 5667363855 6087168585 7094699937 8186192235 8792576845 9445606425 10145280975 10956903453 11824499895 13643653725 14735146023 15826638321 18261505755 19707499825 21284099811 22860699797 24558576705 26377730535 28336819275 30435842925 32870710359 35473499685 40930961175 43962884225 47479914963 54784517265 59122499475 63852299433 68582099391 73675730115 79133191605 91307528775 106420499055 114303498985 122792883525 131888652675 142439744889 164353551795 177367498425 191556898299 205746298173 237399574815 273922586325 319261497165 342910496955 368378650575 395665958025 427319234667 532102495275 571517494925 617238894519 712198724445 821767758975 957784491495 1028731490865 1186997874075 1596307485825 1714552484775 1851716683557 2136596173335 3086194472595 3560993622225 4788922457475 5143657454325 5555150050671 9258583417785 10682980866675 15430972362975 27775750253355 46292917088925 138878751266775
• Sum of all divisors σ(n): 288961732921680
• Sum of proper divisors (its aliquot sum) s(n): 150082981654905
• 138878751266775 is an abundant number, because the sum of its proper divisors (150082981654905) is greater than itself. Its abundance is 11204230388130

Bases of 138878751266775

• Binary: 11111100100111100111010101000101101011111010111₂
• Hexadecimal: 0x7E4F3AA2D7D7
• Base-36: 1D880MREFR

Squares and roots of 138878751266775

• 138878751266775 squared (138878751266775²) is 19287307553418758667218900625
• 138878751266775 cubed (138878751266775³) is 2678597188317034456237074905840441589234375
• The square root of 138878751266775 is 11784682.9090465985
• The cube root of 138878751266775 is 51785.9484039483

Scales and comparisons

• 138,878,751,266,775 seconds is equal to 4,415,914 years, 36 weeks, 6 days, 11 hours, 26 minutes, 15 seconds.
• To count from 1 to 138,878,751,266,775 would take you about eleven million, thirty-nine thousand, seven hundred eighty-six 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 138878751266775 cubic inches would be around 4315.5 feet tall.

Recreational maths with 138878751266775

• 138878751266775 backwards is 577662157878831
• 138878751266775 is a Harshad number.
• The number of decimal digits it has is: 15
• The sum of 138878751266775's digits is 81
• More coming soon!