8429897394

Names of 8429897394

• Cardinal: 8429897394 can be written as Eight billion, four hundred twenty-nine million, eight hundred ninety-seven thousand, three hundred ninety-four.

Scientific notation

• Scientific notation: 8.429897394 × 10⁹

Factors of 8429897394

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 219006

Divisors of 8429897394

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 6 9 18 23 27 31 46 54 62 69 93 138 186 207 279 414 558 621 713 837 1242 1426 1674 2139 4278 6417 12834 19251 38502 218947 437894 656841 1313682 1970523 3941046 5035781 5911569 6787357 10071562 11823138 13574714 15107343 20362071 30214686 40724142 45322029 61086213 90644058 122172426 135966087 156109211 183258639 271932174 312218422 366517278 468327633 936655266 1404982899 2809965798 4214948697 8429897394
• Sum of all divisors σ(n): 20178247680
• Sum of proper divisors (its aliquot sum) s(n): 11748350286
• 8429897394 is an abundant number, because the sum of its proper divisors (11748350286) is greater than itself. Its abundance is 3318452892

Bases of 8429897394

• Binary: 111110110011101100000011010110010₂
• Hexadecimal: 0x1F67606B2
• Base-36: 3VEXYGI

Squares and roots of 8429897394

• 8429897394 squared (8429897394²) is 71063170073367991236
• 8429897394 cubed (8429897394³) is 599055232210863618123371238984
• The square root of 8429897394 is 91814.4726826877
• The cube root of 8429897394 is 2035.2015724765

Scales and comparisons

• 8,429,897,394 seconds is equal to 268 years, 2 weeks, 2 days, 6 hours, 9 minutes, 54 seconds.
• To count from 1 to 8,429,897,394 would take you about five hundred thirty-six 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 8429897394 cubic inches would be around 169.6 feet tall.

Recreational maths with 8429897394

• 8429897394 backwards is 4937989248
• The number of decimal digits it has is: 10
• The sum of 8429897394's digits is 63
• More coming soon!