1642394131607464

Names of 1642394131607464

• Cardinal: 1642394131607464 can be written as One quadrillion, six hundred forty-two trillion, three hundred ninety-four billion, one hundred thirty-one million, six hundred seven thousand, four hundred sixty-four.

Scientific notation

• Scientific notation: 1.642394131607464 × 10¹⁵

Factors of 1642394131607464

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 122478776

Divisors of 1642394131607464

• Number of divisors d(n): 16
• Complete list of divisors:
  1 2 4 8 1699793 3399586 6799172 13598344 120778981 241557962 483115924 966231848 205299266450933 410598532901866 821197065803732 1642394131607464
• Sum of all divisors σ(n): 3079490833945620
• Sum of proper divisors (its aliquot sum) s(n): 1437096702338156
• 1642394131607464 is a deficient number, because the sum of its proper divisors (1437096702338156) is less than itself. Its deficiency is 205297429269308

Bases of 1642394131607464

• Binary: 101110101011011111110101110110010111010111110101000₂
• Hexadecimal: 0x5D5BFAECBAFA8
• Base-36: G66HG4LKMG

Squares and roots of 1642394131607464

• 1642394131607464 squared (1642394131607464²) is 2697458483538635778156580511296
• 1642394131607464 cubed (1642394131607464³) is 4430289983618624434035299675123638627489913344
• The square root of 1642394131607464 is 40526462.1156037257
• The cube root of 1642394131607464 is 117984.7277852119

Scales and comparisons

• 1,642,394,131,607,464 seconds is equal to 52,223,053 years, 6 weeks, 4 days, 1 hour, 11 minutes, 4 seconds.
• To count from 1 to 1,642,394,131,607,464 would take you about one hundred fifty-six million, six hundred sixty-nine thousand, one hundred fifty-nine 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 1642394131607464 cubic inches would be around 9832.1 feet tall.

Recreational maths with 1642394131607464

• 1642394131607464 backwards is 4647061314932461
• The number of decimal digits it has is: 16
• The sum of 1642394131607464's digits is 61
• More coming soon!