38712042428697891

Names of 38712042428697891

• Cardinal: 38712042428697891 can be written as Thirty-eight quadrillion, seven hundred twelve trillion, forty-two billion, four hundred twenty-eight million, six hundred ninety-seven thousand, eight hundred ninety-one.

Scientific notation

• Scientific notation: 3.8712042428697891 × 10¹⁶

Factors of 38712042428697891

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 64

Divisors of 38712042428697891

• Number of divisors d(n): 350
• Complete list of divisors:
  1 3 9 11 19 27 31 33 57 81 93 99 171 209 279 297 341 361 513 589 627 837 891 961 1023 1083 1539 1767 1881 2511 2883 3069 3249 3971 5301 5643 6479 6859 8649 9207 9747 10571 11191 11913 15903 16929 18259 19437 20577 25947 27621 29241 29791 31713 33573 35739 47709 54777 58311 61731 75449 77841 89373 95139 100719 107217 123101 130321 164331 174933 185193 200849 212629 226347 268119 285417 302157 321651 327701 346921 369303 390963 492993 524799 555579 566029 602547 637887 679041 804357 856251 906471 923521 983103 1040763 1107909 1172889 1433531 1478979 1698087 1807641 1913661 2037123 2338919 2413071 2476099 2770563 2949309 3122289 3323727 3518667 3816131 4039951 4300593 5094261 5422923 5740983 6111369 6226319 6591499 7016757 7428297 8311689 8847927 9366867 9971181 10158731 10556001 10754551 11448393 12119853 12901779 15282783 16268769 17222949 17546899 18678957 19774497 21050271 22284891 24935067 26543781 27237089 28100601 30476193 32263653 34345179 36359559 38705337 44439461 45848349 47045881 52640697 56036871 59323491 63150813 66854673 72506489 74805201 76759069 81711267 91428579 96790959 103035537 109078677 116116011 118300061 125238481 133318383 141137643 157922091 168110613 177970473 189452439 193015889 200564019 204336469 217519467 230277207 245133801 274285737 290372877 309106611 327236031 333391081 354900183 375715443 399955149 423412929 473766273 504331839 517504691 533911419 579047667 613009407 652558401 690831621 735401403 822857211 844349759 871118631 1000173243 1064700549 1127146329 1199865447 1270238787 1377623291 1421298819 1458422311 1552514073 1737143001 1839028221 1957675203 2072494863 2206204209 2247701159 2379531139 2533049277 3000519729 3194101647 3381438987 3599596341 3667301891 3810716361 3882392911 4132869873 4375266933 4657542219 5211429003 5517084663 5873025609 6217484589 6334430539 6743103477 7138593417 7599147831 9001559187 9582304941 10144316961 11001905673 11647178733 12398609619 13125800799 13972626657 15634287009 16042645421 16551253989 19003291617 20229310431 21415780251 22797443493 26174842529 27004677561 33005717019 34941536199 37195828857 39377402397 41917879971 42706322021 45211091641 48127936263 57009874851 60687931293 64247340753 68392330479 69678735929 73765465309 78524527587 99017151057 104824608597 111587486571 118132207191 120354180241 128118966063 135633274923 144383808789 171029624553 182063793879 192742022259 209036207787 221296395927 235573582761 297051453171 314473825791 361062540723 384356898189 406899824769 433151426367 497322008051 513088873659 627108623361 663889187781 706720748283 811420118399 1083187622169 1153070694567 1220699474307 1299454279101 1323895982651 1401543840871 1491966024153 1881325870083 1991667563343 2120162244849 2286729424579 2434260355197 3249562866507 3459212083701 3662098422921 3971687947953 4204631522613 4475898072459 5643977610249 5975002690029 6860188273737 7302781065591 9748688599521 11915063843859 12613894567839 13427694217377 15416982249581 20580564821211 21908343196773 25154023670369 35745191531577 37841683703517 40283082652131 43447859067001 46250946748743 61741694463633 65725029590319 75462071011107 107235574594731 113525051110551 130343577201003 138752840246229 185225083390899 226386213033321 391030731603009 416258520738687 477926449737011 679158639099963 1173092194809027 1248775562216061 1433779349211033 2037475917299889 3519276584427081 4301338047633099 12904014142899297 38712042428697891
• Sum of all divisors σ(n): 68810785693855260
• Sum of proper divisors (its aliquot sum) s(n): 30098743265157369
• 38712042428697891 is a deficient number, because the sum of its proper divisors (30098743265157369) is less than itself. Its deficiency is 8613299163540522

Bases of 38712042428697891

• Binary: 10001001100010000110010111000001011111100000110100100011₂
• Hexadecimal: 0x898865C17E0D23
• Base-36: AL69US2QB6R

Squares and roots of 38712042428697891

• 38712042428697891 squared (38712042428697891²) is 1498622229001305707188725747847881
• 38712042428697891 cubed (38712042428697891³) is 58014727313688353570108445995238845962786373518971
• The square root of 38712042428697891 is 196753760.9010254497
• The cube root of 38712042428697891 is 338284.4448842451

Scales and comparisons

• 38,712,042,428,697,891 seconds is equal to 1,230,923,205 years, 1 week, 1 day, 10 hours, 44 minutes, 51 seconds.
• To count from 1 to 38,712,042,428,697,891 would take you about three billion, six hundred ninety-two million, seven hundred sixty-nine thousand, six hundred 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 38712042428697891 cubic inches would be around 28190.4 feet tall.

Recreational maths with 38712042428697891

• 38712042428697891 backwards is 19879682424021783
• 38712042428697891 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 38712042428697891's digits is 81
• More coming soon!