491440502082208678

Names of 491440502082208678

• Cardinal: 491440502082208678 can be written as Four hundred ninety-one quadrillion, four hundred forty trillion, five hundred two billion, eighty-two million, two hundred eight thousand, six hundred seventy-eight.

Scientific notation

• Scientific notation: 4.91440502082208678 × 10¹⁷

Factors of 491440502082208678

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 137860623

Divisors of 491440502082208678

• Number of divisors d(n): 16
• Complete list of divisors:
  1 2 79 158 28421021 56842042 109439521 218879042 2245260659 4490521318 8645722159 17291444318 3110382924570941 6220765849141882 245720251041104339 491440502082208678
• Sum of all divisors σ(n): 746491934983556160
• Sum of proper divisors (its aliquot sum) s(n): 255051432901347482
• 491440502082208678 is a deficient number, because the sum of its proper divisors (255051432901347482) is less than itself. Its deficiency is 236389069180861196

Bases of 491440502082208678

• Binary: 11011010001111100101000100001101010110110011000001110100110₂
• Hexadecimal: 0x6D1F2886AD983A6
• Base-36: 3QEX49XTZX5Y

Squares and roots of 491440502082208678

• 491440502082208678 squared (491440502082208678²) is 241513767086813351976910978738507684
• 491440502082208678 cubed (491440502082208678³) is 118689646956909158786842660699334081041596192394481752
• The square root of 491440502082208678 is 701028174.9560488799
• The cube root of 491440502082208678 is 789145.3140253771

Scales and comparisons

• 491,440,502,082,208,678 seconds is equal to 15,626,287,840 years, 48 weeks, 3 days, 15 hours, 17 minutes, 58 seconds.
• To count from 1 to 491,440,502,082,208,678 would take you about forty-six billion, eight hundred seventy-eight million, eight hundred sixty-three thousand, five hundred twenty-two 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 491440502082208678 cubic inches would be around 65762.1 feet tall.

Recreational maths with 491440502082208678

• 491440502082208678 backwards is 876802280205044194
• The number of decimal digits it has is: 18
• The sum of 491440502082208678's digits is 70
• More coming soon!