420744279365671842

Names of 420744279365671842

• Cardinal: 420744279365671842 can be written as Four hundred twenty quadrillion, seven hundred forty-four trillion, two hundred seventy-nine billion, three hundred sixty-five million, six hundred seventy-one thousand, eight hundred forty-two.

Scientific notation

• Scientific notation: 4.20744279365671842 × 10¹⁷

Factors of 420744279365671842

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 371026701380675

Divisors of 420744279365671842

• Number of divisors d(n): 40
• Complete list of divisors:
  1 2 3 6 7 9 14 18 21 27 42 54 63 81 126 162 189 378 567 1134 371026701380663 742053402761326 1113080104141989 2226160208283978 2597186909664641 3339240312425967 5194373819329282 6678480624851934 7791560728993923 10017720937277901 15583121457987846 20035441874555802 23374682186981769 30053162811833703 46749364373963538 60106325623667406 70124046560945307 140248093121890614 210372139682835921 420744279365671842
• Sum of all divisors σ(n): 1077461540809448256
• Sum of proper divisors (its aliquot sum) s(n): 656717261443776414
• 420744279365671842 is an abundant number, because the sum of its proper divisors (656717261443776414) is greater than itself. Its abundance is 235972982078104572

Bases of 420744279365671842

• Binary: 10111010110110010001011000101100000110111100101101110100010₂
• Hexadecimal: 0x5D6C8B160DE5BA2
• Base-36: 372TEDKUY84I

Squares and roots of 420744279365671842

• 420744279365671842 squared (420744279365671842²) is 177025748618938512159499732031672964
• 420744279365671842 cubed (420744279365671842³) is 74482571031843861622797649580463111212501211087479688
• The square root of 420744279365671842 is 648648039.6684105005
• The cube root of 420744279365671842 is 749329.3438002419

Scales and comparisons

• 420,744,279,365,671,842 seconds is equal to 13,378,366,636 years, 16 weeks, 5 days, 4 hours, 50 minutes, 42 seconds.
• To count from 1 to 420,744,279,365,671,842 would take you about forty billion, one hundred thirty-five million, ninety-nine thousand, nine hundred 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 420744279365671842 cubic inches would be around 62444.1 feet tall.

Recreational maths with 420744279365671842

• 420744279365671842 backwards is 248176563972447024
• 420744279365671842 is a Harshad number.
• The number of decimal digits it has is: 18
• The sum of 420744279365671842's digits is 81
• More coming soon!