1642625942

Names of 1642625942

• Cardinal: 1642625942 can be written as One billion, six hundred forty-two million, six hundred twenty-five thousand, nine hundred forty-two.

Scientific notation

• Scientific notation: 1.642625942 × 10⁹

Factors of 1642625942

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 9895422

Divisors of 1642625942

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 83 166 9895337 19790674 821312971 1642625942
• Sum of all divisors σ(n): 2493625176
• Sum of proper divisors (its aliquot sum) s(n): 850999234
• 1642625942 is a deficient number, because the sum of its proper divisors (850999234) is less than itself. Its deficiency is 791626708

Bases of 1642625942

• Binary: 1100001111010000111101110010110₂
• Hexadecimal: 0x61E87B96
• Base-36: R5Z6AE

Squares and roots of 1642625942

• 1642625942 squared (1642625942²) is 2698219985331387364
• 1642625942 cubed (1642625942³) is 4432166145128196350957396888
• The square root of 1642625942 is 40529.3220027179
• The cube root of 1642625942 is 1179.9027838133

Scales and comparisons

• 1,642,625,942 seconds is equal to 52 years, 11 weeks, 6 days, 20 hours, 59 minutes, 2 seconds.
• To count from 1 to 1,642,625,942 would take you about one hundred four 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 1642625942 cubic inches would be around 98.3 feet tall.

Recreational maths with 1642625942

• 1642625942 backwards is 2495262461
• The number of decimal digits it has is: 10
• The sum of 1642625942's digits is 41
• More coming soon!