138154729738375

Names of 138154729738375

• Cardinal: 138154729738375 can be written as One hundred thirty-eight trillion, one hundred fifty-four billion, seven hundred twenty-nine million, seven hundred thirty-eight thousand, three hundred seventy-five.

Scientific notation

• Scientific notation: 1.38154729738375 × 10¹⁴

Factors of 138154729738375

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 251

Divisors of 138154729738375

• Number of divisors d(n): 288
• Complete list of divisors:
  1 5 7 25 29 35 49 83 125 127 145 175 203 245 343 415 581 635 725 875 889 1015 1225 1421 1715 2075 2407 2905 3175 3625 3683 4067 4445 5075 6125 6223 6889 7105 8575 9947 10375 10541 12035 14525 15875 16129 16849 18415 20335 22225 25375 25781 28469 31115 34445 35525 42875 43561 48223 49735 52705 60175 72625 73787 80645 84245 92075 101675 111125 112903 117943 128905 142345 155575 172225 177625 180467 199781 217805 241115 248675 263525 300875 305689 337561 368935 403225 421225 460375 467741 508375 516509 564515 589715 644525 711725 777875 790321 825601 861125 874903 902335 998905 1089025 1205575 1243375 1263269 1317625 1338707 1398467 1528445 1687805 1844675 2016125 2106125 2139823 2338705 2362927 2582545 2822575 2948575 3222625 3274187 3558625 3615563 3951605 4128005 4374515 4511675 4994525 5445125 5532247 6027875 6124321 6316345 6693535 6992335 7642225 8439025 9223375 9370949 9789269 10699115 11693525 11814635 12912725 14112875 14742875 14978761 16370935 18077815 19758025 20640025 21872575 22558375 22919309 24972625 25372187 27661235 30621605 31581725 33467675 34961675 38211125 38822503 42195125 42870247 46854745 48946345 53495575 58467625 59073175 64563625 65596643 68524883 74893805 81854675 90389075 98790125 103200125 104851327 109362875 111112681 114596545 126860935 138306175 153108025 157908625 160435163 167338375 174808375 177605309 194112515 214351235 234273725 244731725 267477875 271757521 295365875 300091729 327983215 342624415 374469025 409273375 451945375 459176501 524256635 555563405 572982725 634304675 691530875 765540125 777788767 802175815 888026545 970562575 1071756175 1171368625 1223658625 1243237163 1358787605 1500458645 1639916075 1713122075 1872345125 1902302647 2295882505 2621283175 2777817025 2864913625 3171523375 3222267749 3888943835 4010879075 4440132725 4852812875 5358780875 5444521369 6216185815 6793938025 7502293225 8199580375 8565610375 8702660141 9511513235 11479412525 13106415875 13316118529 13889085125 16111338745 19444719175 20054395375 22200663625 22555874243 27222606845 31080929075 33969690125 37511466125 38111649583 43513300705 47557566175 57397062625 66580592645 80556693725 97223595875 112779371215 136113034225 155404645375 157891119701 190558247915 217566503525 237787830875 332902963225 402783468625 563896856075 680565171125 789455598505 952791239575 1087832517625 1105237837907 1664514816125 2819484280375 3947277992525 4763956197875 5526189189535 19736389962625 27630945947675 138154729738375
• Sum of all divisors σ(n): 212210034192000
• Sum of proper divisors (its aliquot sum) s(n): 74055304453625
• 138154729738375 is a deficient number, because the sum of its proper divisors (74055304453625) is less than itself. Its deficiency is 64099425284750

Bases of 138154729738375

• Binary: 11111011010011010100111100101110001000010000111₂
• Hexadecimal: 0x7DA6A7971087
• Base-36: 1CYZEN1BPJ

Squares and roots of 138154729738375

• 138154729738375 squared (138154729738375²) is 19086729349083437595947640625
• 138154729738375 cubed (138154729738375³) is 2636921934812132502586041023644104771484375
• The square root of 138154729738375 is 11753924.0144887359
• The cube root of 138154729738375 is 51695.7990541141

Scales and comparisons

• 138,154,729,738,375 seconds is equal to 4,392,893 years, 3 weeks, 2 days, 16 hours, 12 minutes, 55 seconds.
• To count from 1 to 138,154,729,738,375 would take you about ten million, nine hundred eighty-two thousand, two hundred thirty-two 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 138154729738375 cubic inches would be around 4308 feet tall.

Recreational maths with 138154729738375

• 138154729738375 backwards is 573837927451831
• The number of decimal digits it has is: 15
• The sum of 138154729738375's digits is 73
• More coming soon!