1238427993751940

Names of 1238427993751940

• Cardinal: 1238427993751940 can be written as One quadrillion, two hundred thirty-eight trillion, four hundred twenty-seven billion, nine hundred ninety-three million, seven hundred fifty-one thousand, nine hundred forty.

Scientific notation

• Scientific notation: 1.23842799375194 × 10¹⁵

Factors of 1238427993751940

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 894

Divisors of 1238427993751940

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 5 10 17 20 34 68 85 170 277 289 340 554 578 593 1108 1156 1186 1385 1445 2372 2770 2890 2965 4709 4913 5540 5780 5930 9418 9826 10081 11860 18836 19652 20162 23545 24565 40324 47090 49130 50405 76729 80053 94180 98260 100810 153458 160106 164261 171377 201620 306916 320212 328522 342754 383645 400265 657044 685508 767290 800530 821305 856885 1304393 1360901 1534580 1601060 1642610 1713770 2608786 2721802 2792437 2913409 3285220 3427540 5217572 5443604 5584874 5826818 6521965 6804505 11169748 11653636 13043930 13609010 13962185 14567045 21253933 22174681 26087860 27218020 27924370 29134090 42507866 44349362 45500297 47471429 55848740 58268180 85015732 88698724 91000594 94942858 106269665 110873405 182001188 189885716 212539330 221746810 227501485 237357145 361316861 376969577 425078660 443493620 455002970 474714290 722633722 753939154 773505049 807014293 910005940 949428580 1445267444 1507878308 1547010098 1614028586 1806584305 1884847885 3094020196 3228057172 3613168610 3769695770 3867525245 4035071465 6142386637 7226337220 7539391540 7735050490 8070142930 12284773274 12603582269 13149585833 15470100980 16140285860 24569546548 25207164538 26299171666 30711933185 50414329076 52598343332 61423866370 63017911345 65747929165 104420572829 122847732740 126035822690 131495858330 208841145658 214260898573 223542959161 252071645380 262991716660 417682291316 428521797146 447085918322 522102864145 857043594292 894171836644 1044205728290 1071304492865 1117714795805 2088411456580 2142608985730 2235429591610 3642435275741 4285217971460 4470859183220 7284870551482 14569741102964 18212176378705 36424352757410 61921399687597 72848705514820 123842799375194 247685598750388 309606998437985 619213996875970 1238427993751940
• Sum of all divisors σ(n): 2777897599646400
• Sum of proper divisors (its aliquot sum) s(n): 1539469605894460
• 1238427993751940 is an abundant number, because the sum of its proper divisors (1539469605894460) is greater than itself. Its abundance is 301041612142520

Bases of 1238427993751940

• Binary: 100011001100101011111111100101001011100000110000100₂
• Hexadecimal: 0x46657FCA5C184
• Base-36: C6ZHYS7SSK

Squares and roots of 1238427993751940

• 1238427993751940 squared (1238427993751940²) is 1533703895708455139678253763600
• 1238427993751940 cubed (1238427993751940³) is 1899381838571756719101290231929510589801384000
• The square root of 1238427993751940 is 35191305.6556863203
• The cube root of 1238427993751940 is 107388.2883146085

Scales and comparisons

• 1,238,427,993,751,940 seconds is equal to 39,378,179 years, 25 weeks, 4 days, 2 hours, 12 minutes, 20 seconds.
• To count from 1 to 1,238,427,993,751,940 would take you about one hundred eighteen million, one hundred thirty-four thousand, five hundred thirty-eight 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 1238427993751940 cubic inches would be around 8949 feet tall.

Recreational maths with 1238427993751940

• 1238427993751940 backwards is 0491573997248321
• The number of decimal digits it has is: 16
• The sum of 1238427993751940's digits is 74
• More coming soon!