642980163629810840

Names of 642980163629810840

• Cardinal: 642980163629810840 can be written as Six hundred forty-two quadrillion, nine hundred eighty trillion, one hundred sixty-three billion, six hundred twenty-nine million, eight hundred ten thousand, eight hundred forty.

Scientific notation

• Scientific notation: 6.4298016362981084 × 10¹⁷

Factors of 642980163629810840

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 309282

Divisors of 642980163629810840

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 4 5 8 10 20 31 40 41 62 82 124 155 164 205 248 310 328 410 620 820 1240 1271 1640 2542 3221 5084 6355 6442 10168 12710 12884 13421 16105 25420 25768 26842 32210 50840 53684 64420 67105 99851 107368 128840 132061 134210 199702 264122 268420 292561 399404 416051 499255 528244 536840 550261 585122 660305 798808 832102 998510 1056488 1100522 1170244 1320610 1462805 1664204 1997020 2080255 2201044 2340488 2641220 2751305 2925610 3328408 3994040 4093891 4160510 4402088 5282440 5502610 5851220 8187782 8321020 9069391 11005220 11702440 11995001 16375564 16642040 17058091 18138782 20469455 22010440 23990002 32751128 34116182 36277564 40938910 43229041 45346955 47980004 59975005 68232364 72555128 81877820 85290455 86458082 90693910 95960008 119950010 136464728 163755640 170580910 172916164 181387820 216145205 239900020 341161820 345832328 362775640 371845031 432290410 479800040 682323640 743690062 864580820 942338981 1340100271 1487380124 1729161640 1772390681 1859225155 1884677962 2680200542 2974760248 3544781362 3718450310 3769355924 3926461181 4711694905 5360401084 6700501355 7089562724 7436900620 7538711848 7852922362 8861953405 9423389810 10720802168 13401002710 14179125448 14873801240 15705844724 17723906810 18846779620 19632305905 26802005420 29212508411 31411689448 35447813620 37693559240 38635898221 39264611810 53604010840 54944111111 58425016822 70895627240 77271796442 78529223620 109888222222 116850033644 121720296611 146062542055 154543592884 157058447240 160984908421 193179491105 219776444444 233700067288 243440593222 274720555555 292125084110 309087185768 321969816842 386358982210 439552888888 486881186444 549441111110 584250168220 608601483055 643939633684 772717964420 804924542105 973762372888 1098882222220 1168500336440 1197712844851 1217202966110 1287879267368 1545435928840 1609849084210 2197764444440 2395425689702 2434405932220 3219698168420 4790851379404 4868811864440 4990532161051 5988564224255 6439396336840 9581702758808 9981064322102 11977128448510 12647131464001 19962128644204 23954256897020 24952660805255 25294262928002 39924257288408 47908513794040 49905321610510 50588525856004 63235657320005 99810643221020 101177051712008 126471314640010 199621286442040 252942629280020 392061075384031 505885258560040 518532390024041 784122150768062 1037064780048082 1568244301536124 1960305376920155 2074129560096164 2592661950120205 3136488603072248 3920610753840310 4148259120192328 5185323900240410 7841221507680620 10370647800480820 15682443015361240 16074504090745271 20741295600961640 32149008181490542 64298016362981084 80372520453726355 128596032725962168 160745040907452710 321490081814905420 642980163629810840
• Sum of all divisors σ(n): 1530391218339271680
• Sum of proper divisors (its aliquot sum) s(n): 887411054709460840
• 642980163629810840 is an abundant number, because the sum of its proper divisors (887411054709460840) is greater than itself. Its abundance is 244430891079650000

Bases of 642980163629810840

• Binary: 100011101100010100110000110101011010110001110000010010011000₂
• Hexadecimal: 0x8EC530D5AC70498
• Base-36: 4VV1G1E1BQMW

Squares and roots of 642980163629810840

• 642980163629810840 squared (642980163629810840²) is 413423490821418322521395534181505600
• 642980163629810840 cubed (642980163629810840³) is 265823103776763152935963235254087581628515554400704000
• The square root of 642980163629810840 is 801860438.9978413445
• The cube root of 642980163629810840 is 863109.4234718501

Scales and comparisons

• 642,980,163,629,810,840 seconds is equal to 20,444,780,335 years, 10 weeks, 1 day, 16 hours, 47 minutes, 20 seconds.
• To count from 1 to 642,980,163,629,810,840 would take you about sixty-one billion, three hundred thirty-four million, three hundred forty-one thousand and five 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 642980163629810840 cubic inches would be around 71925.8 feet tall.

Recreational maths with 642980163629810840

• 642980163629810840 backwards is 048018926361089246
• The number of decimal digits it has is: 18
• The sum of 642980163629810840's digits is 77
• More coming soon!