64128569964165

Names of 64128569964165

• Cardinal: 64128569964165 can be written as Sixty-four trillion, one hundred twenty-eight billion, five hundred sixty-nine million, nine hundred sixty-four thousand, one hundred sixty-five.

Scientific notation

• Scientific notation: 6.4128569964165 × 10¹³

Factors of 64128569964165

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 205018233

Divisors of 64128569964165

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 5 7 9 15 21 27 35 45 63 105 135 189 315 331 945 993 1655 2317 2979 4965 6951 8937 11585 14895 20853 34755 44685 62559 104265 312795 205017887 615053661 1025089435 1435125209 1845160983 3075268305 4305375627 5535482949 7175626045 9225804915 12916126881 21526878135 27677414745 38748380643 64580634405 67860920597 193741903215 203582761791 339304602985 475026444179 610748285373 1017913808955 1425079332537 1832244856119 2375132220895 3053741426865 4275237997611 7125396662685 9161224280595 12825713992833 21376189988055 64128569964165
• Sum of all divisors σ(n): 130686602526720
• Sum of proper divisors (its aliquot sum) s(n): 66558032562555
• 64128569964165 is an abundant number, because the sum of its proper divisors (66558032562555) is greater than itself. Its abundance is 2429462598390

Bases of 64128569964165

• Binary: 1110100101001100011000101000011111011010000101₂
• Hexadecimal: 0x3A5318A1F685
• Base-36: MQC9AT0N9

Squares and roots of 64128569964165

• 64128569964165 squared (64128569964165²) is 4112473485648805389384147225
• 64128569964165 cubed (64128569964165³) is 263727043650202924471273601080137334192125
• The square root of 64128569964165 is 8008031.5911068307
• The cube root of 64128569964165 is 40026.7674927387

Scales and comparisons

• 64,128,569,964,165 seconds is equal to 2,039,090 years, 8 weeks, 3 days, 42 minutes, 45 seconds.
• To count from 1 to 64,128,569,964,165 would take you about five million, ninety-seven thousand, seven hundred twenty-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 64128569964165 cubic inches would be around 3335.6 feet tall.

Recreational maths with 64128569964165

• 64128569964165 backwards is 56146996582146
• The number of decimal digits it has is: 14
• The sum of 64128569964165's digits is 72
• More coming soon!