28395785 is an odd 8-digits composite number following 28395784
and preceding 28395786 . In scientific notation, it is written as 2.8395785 × 10^7.
The sum of its digits is 47. It has a total of 4 prime factors and 16 positive divisors.
There are 18869760 positive integers (up to 28395785) that are relatively prime to 28395785.
28395785 has 16 divisors, whose sum is 31516800
The reverse of 28395785 is 58759382
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 47
Digital Root 2
Name
twenty-eight million three hundred ninety-five thousand seven hundred eighty-five
Scientific notation
2.8395785 × 10^7
Engineering notation
2.8395785 × 10^6
Prime Factorization
55 × 19 × 29 × 937
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28395785
Product of the distinct prime numbers
The prime factorization of 28395785 is 55 × 19 × 29 × 937.
Since it has a total of 4 prime factors.
2 , 6 , 60 , 9 , 512 , 762 , 5923 , 7889 , 26825 , 49123 , 484282 , 810160 , 3493406 , 1325075 , 55719471 , 19583633 , 974528787 , 560892992 , 7366776242 , 3615458458
n×2
56791570
n×3
85187355
n×4
113583140
n×5
141978925
n÷2
14197892.5
n÷3
9465261.6666667
n÷3
7098946.25
n÷5
5679157
n2
806320605766225
n3
2.2896106562407E+22
n4
6.5015291928321E+29
n5
1.8461602513088E+37
2 √n
5328.7695577872
3 √n
305.0829658736
4 √n
72.998421611616
5 √n
30.949296087214
1 , 19 , 29 , 55 , 551 , 937 , 1045 , 1595 , 17803 , 27173 , 30305 , 51535 , 516287 , 979165 , 1494515 , 28395785
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28395784
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28395785 can be divided by 16 positive divisors.
The sum of these divisors (counting 28395785) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101100010100100100001001
3
Ternary
1222102122200202
4
Quaternary
1230110210021
5
Quinary
24232131120
6
Senary
2452341545
8
Octal
154244411
10
Decimal
28395785
12
Duodecimal
96148b5
16
Hexadecimal
1b14909
20
Vigesimal
8h9995
36
Base36
gwmbt
md5
6212ada4d4798f2683e68c53e26b5b79
sha1
a878b4aa30775b36bda8668f9085799b83b4e946
sha256
10a6d43cc662ebe3b930ebee345dc2ba765a1cf34a16155a20e2e3f4bbf93db7
sha512
89c95abc13bdfdb74bd0e19c12fe43cad43f1acc623c8d3ee984aa75766601b9060fdf59a26c6ff88314b01e1cdd8e5af99c8ef3ef4df555ef92ce6a287950b3
ripemd-160
7616fbf7d4706641f9ed3d930ccc4c52406c9c0f
Diameter
56791570
Circumference
178415979.09783
Area
2.5331308915132E+15
Volume
9.5906986896358E+22
Surface area
1.0132523566053E+16
Circumference
178415979.09783
Perimeter
113583140
Area
806320605766225
Diagonal
40157704.26123
Surface area
4837923634597350
Volume
2.2896106562407E+22
Space diagonal
49182942.340802
Perimeter
85187355
Area
3.491470640942E+14
Altitude
24591471.170401
Surface area
3.491470640942E+14
Volume
2.698332035508E+21
Height
13385901.42041