644342034

Names of 644342034

• Cardinal: 644342034 can be written as Six hundred forty-four million, three hundred forty-two thousand and thirty-four.

Scientific notation

• Scientific notation: 6.44342034 × 10⁸

Factors of 644342034

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 15341489

Divisors of 644342034

• Number of divisors d(n): 16
• Complete list of divisors:
  1 2 3 6 7 14 21 42 15341477 30682954 46024431 92048862 107390339 214780678 322171017 644342034
• Sum of all divisors σ(n): 1472781888
• Sum of proper divisors (its aliquot sum) s(n): 828439854
• 644342034 is an abundant number, because the sum of its proper divisors (828439854) is greater than itself. Its abundance is 184097820

Bases of 644342034

• Binary: 100110011001111110000100010010₂
• Hexadecimal: 0x2667E112
• Base-36: ANMHHU

Squares and roots of 644342034

• 644342034 squared (644342034²) is 415176656779257156
• 644342034 cubed (644342034³) is 267515771498466444906095304
• The square root of 644342034 is 25383.8932002165
• The cube root of 644342034 is 863.7183661761

Scales and comparisons

• 644,342,034 seconds is equal to 20 years, 25 weeks, 2 days, 15 hours, 53 minutes, 54 seconds.
• To count from 1 to 644,342,034 would take you about thirty 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 644342034 cubic inches would be around 72 feet tall.

Recreational maths with 644342034

• 644342034 backwards is 430243446
• The number of decimal digits it has is: 9
• The sum of 644342034's digits is 30
• More coming soon!