28165938 is an even 8-digits composite number following 28165937
and preceding 28165939 . In scientific notation, it is written as 2.8165938 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 8980400 positive integers (up to 28165938) that are relatively prime to 28165938.
28165938 has 16 divisors, whose sum is 58781376
The reverse of 28165938 is 83956182
Previous prime number is 23
Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6
Name
twenty-eight million one hundred sixty-five thousand nine hundred thirty-eight
Scientific notation
2.8165938 × 10^7
Engineering notation
2.8165938 × 10^6
Prime Factorization
2 × 3 × 23 × 204101
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28165938
Product of the distinct prime numbers
The prime factorization of 28165938 is 2 × 3 × 23 × 204101.
Since it has a total of 4 prime factors.
10 , 9 , 38 , 33 , 480 , 50 , 8143 , 5460 , 49864 , 26051 , 287610 , 526548 , 5250970 , 5866538 , 36076202 , 59206145 , 377374075 , 518433762 , 412681050 , 8407305108
n×2
56331876
n×3
84497814
n×4
112663752
n×5
140829690
n÷2
14082969
n÷3
9388646
n÷3
7041484.5
n÷5
5633187.6
n2
793320063419844
n3
2.2344603720439E+22
n4
6.2935672302447E+29
n5
1.772642244059E+37
2 √n
5307.159127066
3 √n
304.25757976303
4 √n
72.85025138643
5 √n
30.899029841649
1 , 2 , 3 , 6 , 23 , 46 , 69 , 138 , 204101 , 408202 , 612303 , 1224606 , 4694323 , 9388646 , 14082969 , 28165938
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
-28165937
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 28165938 can be divided by 16 positive divisors.
The sum of these divisors (counting 28165938) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101011011100011100110010
3
Ternary
1221222222101220
4
Quaternary
1223130130302
5
Quinary
24202302223
6
Senary
2443405510
8
Octal
153343462
10
Decimal
28165938
12
Duodecimal
9523896
16
Hexadecimal
1adc732
20
Vigesimal
8g0egi
36
Base36
groz6
md5
bf7701a19b0f090f7ed9d99eed20c9c4
sha1
c49eabceabd16544651c431bf731aad03715b05f
sha256
2c969d141c1f6358006041199ab532ff946a5343000592384e0bfd73f87679a0
sha512
d062072b28c3e8bfffa8f49a097ec62061006eceb92620a0a5a4696151887b79ca6dfae85c6f88b80558a8f883d54e7155906e766fe9d42627f5c5f9c077a874
ripemd-160
f959993d43dda0056c9532c1568a56508ceec28a
Diameter
56331876
Circumference
176971807.80453
Area
2.4922884831852E+15
Volume
9.359685719401E+22
Surface area
9.9691539327407E+15
Circumference
176971807.80453
Perimeter
112663752
Area
793320063419844
Diagonal
39832651.51656
Surface area
4759920380519064
Volume
2.2344603720439E+22
Space diagonal
48784835.658835
Perimeter
84497814
Area
3.4351766412673E+14
Altitude
24392417.829417
Surface area
3.4351766412673E+14
Volume
2.6333368022748E+21
Height
13277550.50552