642018319799933930

Names of 642018319799933930

• Cardinal: 642018319799933930 can be written as Six hundred forty-two quadrillion, eighteen trillion, three hundred nineteen billion, seven hundred ninety-nine million, nine hundred thirty-three thousand, nine hundred thirty.

Scientific notation

• Scientific notation: 6.4201831979993393 × 10¹⁷

Factors of 642018319799933930

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 125743053

Divisors of 642018319799933930

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 5 7 10 14 31 35 49 62 70 98 155 217 245 310 343 434 490 686 961 1085 1519 1549 1715 1922 2170 3038 3098 3430 4805 6727 7595 7745 9610 10633 10843 13454 15190 15490 21266 21686 33635 47089 48019 53165 54215 67270 75901 94178 96038 106330 108430 151802 235445 240095 329623 336133 379505 470890 480190 531307 659246 672266 759010 1062614 1488589 1648115 1680665 2352931 2656535 2977178 3296230 3361330 4705862 5313070 7442945 10420123 11764655 14885890 16470517 20840246 23529310 32941034 52100615 72940861 82352585 104201230 125741459 145881722 164705170 251482918 364704305 510586027 628707295 729408610 880190213 1021172054 1257414590 1760380426 2552930135 3897985229 4400951065 5105860270 6161331491 7795970458 8801902130 12322662982 19489926145 27285896603 30806657455 38979852290 43129320437 54571793206 61613314910 86258640874 120837542099 136429483015 191001276221 194773519991 215646602185 241675084198 272858966030 382002552442 389547039982 431293204370 604187710495 845862794693 955006381105 973867599955 1208375420990 1337008933547 1363414639937 1691725589386 1910012762210 1947735199910 2674017867094 2726829279874 4229313973465 5921039562851 6037979119721 6685044667735 6817073199685 8458627946930 9543902479559 11842079125702 12075958239442 13370089335470 13634146399370 19087804959118 29605197814255 30189895598605 41447276939957 42265853838047 47719512397795 59210395628510 60379791197210 66807317356913 82894553879914 84531707676094 95439024795590 133614634713826 187177352711351 207236384699785 211329269190235 295860976866329 334036586784565 374354705422702 414472769399570 422658538380470 591721953732658 668073173569130 935886763556755 1310241468979457 1479304884331645 1871773527113510 2071026838064303 2620482937958914 2958609768663290 4142053676128606 6551207344897285 9171690282856199 10355134190321515 13102414689794570 18343380565712398 20710268380643030 45858451414280995 64201831979993393 91716902828561990 128403663959986786 321009159899966965 642018319799933930
• Sum of all divisors σ(n): 1393451770744800000
• Sum of proper divisors (its aliquot sum) s(n): 751433450944866070
• 642018319799933930 is an abundant number, because the sum of its proper divisors (751433450944866070) is greater than itself. Its abundance is 109415131144932140

Bases of 642018319799933930

• Binary: 100011101000111010000100001010100010111101111101101111101010₂
• Hexadecimal: 0x8E8E842A2F7DBEA
• Base-36: 4VLKI0FN37JE

Squares and roots of 642018319799933930

• 642018319799933930 squared (642018319799933930²) is 412187522958730235739221632365244900
• 642018319799933930 cubed (642018319799933930³) is 264631940932460677461111100064272540240268648269457000
• The square root of 642018319799933930 is 801260456.9052025359
• The cube root of 642018319799933930 is 862678.8291742819

Scales and comparisons

• 642,018,319,799,933,930 seconds is equal to 20,414,196,676 years, 30 weeks, 3 days, 18 minutes, 50 seconds.
• To count from 1 to 642,018,319,799,933,930 would take you about sixty-one billion, two hundred forty-two million, five hundred ninety thousand and twenty-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 642018319799933930 cubic inches would be around 71889.9 feet tall.

Recreational maths with 642018319799933930

• 642018319799933930 backwards is 039339997913810246
• The number of decimal digits it has is: 18
• The sum of 642018319799933930's digits is 86
• More coming soon!