80821134398405664

Names of 80821134398405664

• Cardinal: 80821134398405664 can be written as Eighty quadrillion, eight hundred twenty-one trillion, one hundred thirty-four billion, three hundred ninety-eight million, four hundred five thousand, six hundred sixty-four.

Scientific notation

• Scientific notation: 8.0821134398405664 × 10¹⁶

Factors of 80821134398405664

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 6738316651

Divisors of 80821134398405664

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 32 36 48 72 96 144 288 41647 83294 124941 166588 249882 333176 374823 499764 666352 749646 999528 1332704 1499292 1999056 2998584 3998112 5997168 11994336 6738274999 13476549998 20214824997 26953099996 40429649994 53906199992 60644474991 80859299988 107812399984 121288949982 161718599976 215624799968 242577899964 323437199952 485155799928 646874399904 970311599856 1940623199712 280628938883353 561257877766706 841886816650059 1122515755533412 1683773633300118 2245031511066824 2525660449950177 3367547266600236 4490063022133648 5051320899900354 6735094533200472 8980126044267296 10102641799800708 13470189066400944 20205283599601416 26940378132801888 40410567199202832 80821134398405664
• Sum of all divisors σ(n): 229840619626800000
• Sum of proper divisors (its aliquot sum) s(n): 149019485228394336
• 80821134398405664 is an abundant number, because the sum of its proper divisors (149019485228394336) is greater than itself. Its abundance is 68198350829988672

Bases of 80821134398405664

• Binary: 100011111001000100110010010111110001010010011110000100000₂
• Hexadecimal: 0x11F2264BE293C20
• Base-36: M3SP8KOYIW0

Squares and roots of 80821134398405664

• 80821134398405664 squared (80821134398405664²) is 6532055765445151271733025107280896
• 80821134398405664 cubed (80821134398405664³) is 527928156916923155100208982416153969850980605394944
• The square root of 80821134398405664 is 284290580.9174930509
• The cube root of 80821134398405664 is 432356.1563340959

Scales and comparisons

• 80,821,134,398,405,664 seconds is equal to 2,569,862,077 years, 35 weeks, 4 days, 20 hours, 14 minutes, 24 seconds.
• To count from 1 to 80,821,134,398,405,664 would take you about seven billion, seven hundred nine million, five hundred eighty-six thousand, two hundred thirty-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 80821134398405664 cubic inches would be around 36029.7 feet tall.

Recreational maths with 80821134398405664

• 80821134398405664 backwards is 46650489343112808
• 80821134398405664 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 80821134398405664's digits is 72
• More coming soon!