28236871 is an odd 8-digits composite number following 28236870
and preceding 28236872 . In scientific notation, it is written as 2.8236871 × 10^7.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 26064792 positive integers (up to 28236871) that are relatively prime to 28236871.
28236871 has 4 divisors, whose sum is 30408952
The reverse of 28236871 is 17863282
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty-eight million two hundred thirty-six thousand eight hundred seventy-one
Scientific notation
2.8236871 × 10^7
Engineering notation
2.8236871 × 10^6
Prime Factorization
13 × 2172067
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28236871
Product of the distinct prime numbers
The prime factorization of 28236871 is 13 × 2172067.
Since it has a total of 2 prime factors.
2 , 8 , 81 , 2 , 909 , 401 , 6536 , 5224 , 97296 , 53430 , 125722 , 219692 , 9140406 , 6990624 , 77673175 , 5666912 , 156714183 , 84368338 , 9419889218 , 6229068686
n×2
56473742
n×3
84710613
n×4
112947484
n×5
141184355
n÷2
14118435.5
n÷3
9412290.3333333
n÷3
7059217.75
n÷5
5647374.2
n2
797320883870641
n3
2.2513846943461E+22
n4
6.3572059185626E+29
n5
1.7950760344289E+37
2 √n
5313.8376904079
3 √n
304.51277939397
4 √n
72.896074588471
5 √n
30.914577389364
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28236870
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28236871 can be divided by 4 positive divisors.
The sum of these divisors (counting 28236871) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101011101101110001000111
3
Ternary
1222010120201001
4
Quaternary
1223231301013
5
Quinary
24212034441
6
Senary
2445114131
8
Octal
153556107
10
Decimal
28236871
12
Duodecimal
9558947
16
Hexadecimal
1aedc47
20
Vigesimal
8g9c3b
36
Base36
gt7pj
md5
f654f4129c04d9ae7b6412600afd44af
sha1
b4c482ea600ad547221ed09c03fe064ae9e8725d
sha256
a11a3af7dbf2161ffa4bf7278e6a2f545a3d1df5c12ac53eeb26f95e182b9249
sha512
d7a101ff6c4e35be82bac1413bbc7f39022a231484678e238620540e2ca73da279f46924c37a70cbd93c52b0f6eb19bba76565ffc4cb4982f57848d5669fc48c
ripemd-160
1cfba1f6ae5aa4f8fbe80ee163e2090f5d49ae8c
Diameter
56473742
Circumference
177417492.98793
Area
2.5048574313217E+15
Volume
9.4305781548831E+22
Surface area
1.0019429725287E+16
Circumference
177417492.98793
Perimeter
112947484
Area
797320883870641
Diagonal
39932965.92718
Surface area
4783925303223846
Volume
2.2513846943461E+22
Space diagonal
48907695.218768
Perimeter
84710613
Area
3.4525007019992E+14
Altitude
24453847.609384
Surface area
3.4525007019992E+14
Volume
2.6532823073862E+21
Height
13310988.642393