28499870

28,499,870 is an even composite number composed of four prime numbers multiplied together.

What does the number 28499870 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 40 divisors.

28499870 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of forty divisors.

Prime factorization of 28499870:

2 × 5 × 7⁴ × 1187

(2 × 5 × 7 × 7 × 7 × 7 × 1187)

See below for interesting mathematical facts about the number 28499870 from the Numbermatics database.

Names of 28499870

Cardinal: 28499870 can be written as Twenty-eight million, four hundred ninety-nine thousand, eight hundred seventy.

Scientific notation

Scientific notation: 2.849987 × 10⁷

Factors of 28499870

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 7
Sum of prime factors: 1201

Divisors of 28499870

Number of divisors d(n): 40
Complete list of divisors:
1 2 5 7 10 14 35 49 70 98 245 343 490 686 1187 1715 2374 2401 3430 4802 5935 8309 11870 12005 16618 24010 41545 58163 83090 116326 290815 407141 581630 814282 2035705 2849987 4071410 5699974 14249935 28499870
Sum of all divisors σ(n): 59896584
Sum of proper divisors (its aliquot sum) s(n): 31396714
28499870 is an abundant number, because the sum of its proper divisors (31396714) is greater than itself. Its abundance is 2896844

Bases of 28499870

Binary: 1101100101101111110011110₂
Hexadecimal: 0x1B2DF9E
Base-36: GYUN2

Squares and roots of 28499870

28499870 squared (28499870²) is 812242590016900
28499870 cubed (28499870³) is 23148808223944947803000
The square root of 28499870 is 5338.5269503863
The cube root of 28499870 is 305.4552727781

Scales and comparisons

How big is 28499870?

28,499,870 seconds is equal to 47 weeks, 20 hours, 37 minutes, 50 seconds.
To count from 1 to 28,499,870 would take you about eighteen weeks!

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 28499870 cubic inches would be around 25.5 feet tall.

Recreational maths with 28499870

28499870 backwards is 07899482
The number of decimal digits it has is: 8
The sum of 28499870's digits is 47
More coming soon!

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The information we have on file for 28499870 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!

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