8,400 (eight thousand four hundred) is an even four-digits composite number following 8399 and preceding 8401. In scientific notation, it is written as 8.4 × 103. The sum of its digits is 12. It has a total of 8 prime factors and 60 positive divisors. There are 1,920 positive integers (up to 8400) that are relatively prime to 8400.
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Step-by-step explanation:
8,400 (eight thousand four hundred) is an even four-digits composite number following 8399 and preceding 8401. In scientific notation, it is written as 8.4 × 103. The sum of its digits is 12. It has a total of 8 prime factors and 60 positive divisors. There are 1,920 positive integers (up to 8400) that are relatively prime to 8400.