642428701375283001

Names of 642428701375283001

• Cardinal: 642428701375283001 can be written as Six hundred forty-two quadrillion, four hundred twenty-eight trillion, seven hundred one billion, three hundred seventy-five million, two hundred eighty-three thousand and one.

Scientific notation

• Scientific notation: 6.42428701375283001 × 10¹⁷

Factors of 642428701375283001

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 151254

Divisors of 642428701375283001

• Number of divisors d(n): 135
• Complete list of divisors:
  1 3 9 19 27 31 57 81 93 171 279 361 513 589 837 961 1083 1539 1767 2511 2883 3249 5301 8649 9747 11191 15903 18259 25947 29241 33573 47709 54777 77841 100719 151201 164331 302157 346921 453603 492993 906471 1040763 1360809 1478979 2872819 3122289 4082427 4687231 8618457 9366867 12247281 14061693 25855371 28100601 42185079 54583561 77566113 89057389 126555237 145304161 163750683 232698339 267172167 379665711 435912483 491252049 801516501 1307737449 1473756147 1692090391 2404549503 2760779059 3923212347 4421268441 5076271173 7213648509 8282337177 11769637041 15228813519 22861742401 24847011531 45686440557 52454802121 68585227203 74541034593 137059321671 157364406363 205755681609 223623103779 434373105619 472093219089 617267044827 708714014431 1303119316857 1416279657267 1851801134481 2126142043293 3909357950571 4248838971801 6378426129879 8253089006761 11728073851713 13465566274189 19135278389637 21970134447361 24759267020283 35184221555139 40396698822567 57405835168911 65910403342083 74277801060849 121190096467701 197731210026249 222833403182547 255845759209591 363570289403103 417432554499859 593193630078747 668500209547641 767537277628773 1090710868209309 1252297663499577 1779580890236241 2302611832886319 3756892990498731 6907835498658957 7931218535497321 11270678971496193 20723506495976871 23793655606491963 33812036914488579 71380966819475889 214142900458427667 642428701375283001
• Sum of all divisors σ(n): 1046578463892959679
• Sum of proper divisors (its aliquot sum) s(n): 404149762517676678
• 642428701375283001 is a deficient number, because the sum of its proper divisors (404149762517676678) is less than itself. Its deficiency is 238278938857606323

Bases of 642428701375283001

• Binary: 100011101010010111011000000000001010111111010011111100111001₂
• Hexadecimal: 0x8EA5D800AFD3F39
• Base-36: 4VPLYV4LBAK9

Squares and roots of 642428701375283001

• 642428701375283001 squared (642428701375283001²) is 412714636350732542820460732839566001
• 642428701375283001 cubed (642428701375283001³) is 265139727869373275168902062037653935448886281392849001
• 642428701375283001 is a perfect square number. Its square root is 801516501
• The cube root of 642428701375283001 is 862862.5996787991

Scales and comparisons

• 642,428,701,375,283,001 seconds is equal to 20,427,245,541 years, 14 weeks, 6 days, 17 hours, 43 minutes, 21 seconds.
• To count from 1 to 642,428,701,375,283,001 would take you about sixty-one billion, two hundred eighty-one million, seven hundred thirty-six thousand, six hundred twenty-three 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 642428701375283001 cubic inches would be around 71905.2 feet tall.

Recreational maths with 642428701375283001

• 642428701375283001 backwards is 100382573107824246
• The number of decimal digits it has is: 18
• The sum of 642428701375283001's digits is 63
• More coming soon!