138896142796743425731

Names of 138896142796743425731

• Cardinal: 138896142796743425731 can be written as One hundred thirty-eight quintillion, eight hundred ninety-six quadrillion, one hundred forty-two trillion, seven hundred ninety-six billion, seven hundred forty-three million, four hundred twenty-five thousand, seven hundred thirty-one.

Scientific notation

• Scientific notation: 1.38896142796743425731 × 10²⁰

Factors of 138896142796743425731

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 450

Divisors of 138896142796743425731

• Number of divisors d(n): 256
• Complete list of divisors:
  1 11 19 71 121 209 349 361 781 1331 1349 2299 3839 3971 5041 6631 6859 8591 14839 24779 25289 25631 42229 43681 55451 72941 75449 94501 95779 121801 125989 163229 272569 281941 357911 464519 470801 480491 486989 609961 802351 829939 1053569 1339811 1385879 1759309 1795519 1819801 2314219 2393791 2998259 3101351 3937021 5178811 5356879 6709571 6800309 8647871 8825861 8945219 9129329 11589259 14737921 15244669 19352399 20017811 25456409 26331701 32980849 33426871 34114861 34576219 42508549 43307231 43970161 56966921 58925669 74803399 95126581 98397409 124910939 127481849 129205871 162117131 164309549 167691359 169959161 212876389 220195921 280020499 289648711 367695581 380338409 467594039 476379541 483671771 613998841 626636131 635110549 648182359 807662431 822837389 835433059 1046392391 1082371499 1374020329 1421264581 1807405039 1869550771 2341640279 2373307841 2422155131 2454911549 3018106979 3080225489 3121881431 3186135821 4044651391 4183722499 5143534429 5320389481 6753987251 6986216039 8884286741 9051211279 9189763649 11510316301 11665977979 11906086489 12067100431 15114223619 15345586189 15633910391 19881455429 20565058481 26106386251 27004027039 33199176769 34340695741 43593917711 44491165301 45092848979 46020947489 56578878719 57344032601 58524284291 59315747189 74293859761 76848376429 97727154151 101087400139 128325757769 132738104741 166256459809 168801448079 171973014301 214285595509 218696009719 221653581601 226215643291 287170248761 291566137591 297044297429 365190944459 377747653151 479533094821 496021338769 630784358611 652473219079 817232457371 828284436509 845332140719 856764130601 1074998695661 1089536619419 1111961401529 1411583335459 1460119152151 1856815928869 2357141550599 2438189397611 3158872736371 3207227513501 3267487271719 4017100389049 4071426314671 4155224184661 4211418050419 5274864043031 5456234726459 6938627944721 7177205409869 9111128801599 9424405436611 11984902813609 15214277281139 15527416690049 15737404293671 16061310673661 20424975217559 20701195768961 25928557056589 26820083373721 35279502648511 44785689461381 46325598554609 58023504473341 60018581991049 76324907391931 77357099978749 78949259508559 100222416817589 103668459802721 131833930949699 167357050092529 173111447230381 227713153458571 285214127622479 289071268341641 295020917110931 299010681579749 388074529133621 492642584075191 509581584100699 850928099766239 1102446584993479 1140353057829931 1450173240446689 1469784899596231 1840927551017819 1904225919534191 2504844688044281 3179783951758051 3289117497377239 5419068424827101 5492354098491179 5605397425107689 9360209097428629 16167633895558541 20250203061196009 20946485114876101 27553291568487091 34977623469338561 36180292471149629 60415895083402969 102962300071714919 104354727871332401 177843972851143951 384753858162724171 397983217182645919 664574845917432659 1147902006584656411 1956283701362583461 7310323305091759249 12626922072431220521 138896142796743425731
• Sum of all divisors σ(n): 164035348091048448000
• Sum of proper divisors (its aliquot sum) s(n): 25139205294305022269
• 138896142796743425731 is a deficient number, because the sum of its proper divisors (25139205294305022269) is less than itself. Its deficiency is 113756937502438403462

Bases of 138896142796743425731

• Binary: 1111000011110010010001110011111100001100111110100101011111011000011₂
• Hexadecimal: 0x7879239F867D2BEC3
• Base-36: TB9N1E96F8ZWJ

Squares and roots of 138896142796743425731

• 138896142796743425731 squared (138896142796743425731²) is 19292138483813340630598946049569512884361
• 138896142796743425731 cubed (138896142796743425731³) is 2679603621702286966992342061933962178349098068564725994892891
• The square root of 138896142796743425731 is 11785420773.0035428605
• 138896142796743425731 is a perfect cube number. Its cube root is 5178811

Scales and comparisons

• 138,896,142,796,743,425,731 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 138,896,142,796,743,425,731 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 138896142796743425731 cubic inches would be around 431567.6 feet tall.

Recreational maths with 138896142796743425731

• 138896142796743425731 backwards is 137524347697241698831
• The number of decimal digits it has is: 21
• The sum of 138896142796743425731's digits is 100
• More coming soon!