28165641 is an odd 8-digits composite number following 28165640
and preceding 28165642 . In scientific notation, it is written as 2.8165641 × 10^7.
The sum of its digits is 33. It has a total of 5 prime factors and 24 positive divisors.
There are 15537312 positive integers (up to 28165641) that are relatively prime to 28165641.
28165641 has 24 divisors, whose sum is 45198720
The reverse of 28165641 is 14656182
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty-eight million one hundred sixty-five thousand six hundred forty-one
Scientific notation
2.8165641 × 10^7
Engineering notation
2.8165641 × 10^6
Prime Factorization
3 × 7 × 7 × 29 × 6607
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
4023663
Product of the distinct prime numbers
The prime factorization of 28165641 is 3 × 7 × 7 × 29 × 6607.
Since it has a total of 5 prime factors.
7 , 6 , 22 , 4 , 799 , 508 , 9836 , 3519 , 11945 , 58960 , 227052 , 158262 , 6738157 , 7052745 , 98198612 , 79137884 , 212862314 , 607978927 , 9610469714 , 9695014236
n×2
56331282
n×3
84496923
n×4
112662564
n×5
140828205
n÷2
14082820.5
n÷3
9388547
n÷3
7041410.25
n÷5
5633128.2
n2
793303332940881
n3
2.2343896879716E+22
n4
6.2933017805511E+29
n5
1.7725487865566E+37
2 √n
5307.1311459206
3 √n
304.25651032923
4 √n
72.850059340542
5 √n
30.898964677474
1 , 3 , 7 , 21 , 29 , 49 , 87 , 147 , 203 , 609 , 1421 , 4263 , 6607 , 19821 , 46249 , 138747 , 191603 , 323743 , 574809 , 971229 , 1341221 , 4023663 , 9388547 , 28165641
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28165640
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28165641 can be divided by 24 positive divisors.
The sum of these divisors (counting 28165641) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1101011011100011000001001
3
Ternary
1221222221222220
4
Quaternary
1223130120021
5
Quinary
24202300031
6
Senary
2443404253
8
Octal
153343011
10
Decimal
28165641
12
Duodecimal
9523689
16
Hexadecimal
1adc609
20
Vigesimal
8g0e21
36
Base36
groqx
md5
775a1b7b9b585c15ea9e9d9443f9ae99
sha1
dd4d84f455ffe4150318152263143596496dbabc
sha256
99f7faf23779fe0411137f03a7955370d7e55e2c249fb11c77744553c1055fd2
sha512
d16dc14e6f4face2ae587def748ae976759d1878cabbaa16c1f09ddf575f2d33c6815561441001dbf7b4dc397bcc95135b827132b2cad20294b7be1af40021cc
ripemd-160
238c00728a80d657a4e2ae1dc9590dfc511ab1d1
Diameter
56331282
Circumference
176969941.69849
Area
2.4922359228354E+15
Volume
9.3593896386513E+22
Surface area
9.9689436913415E+15
Circumference
176969941.69849
Perimeter
112662564
Area
793303332940881
Diagonal
39832231.495132
Surface area
4759819997645286
Volume
2.2343896879716E+22
Space diagonal
48784321.239745
Perimeter
84496923
Area
3.4351041961683E+14
Altitude
24392160.619873
Surface area
3.4351041961683E+14
Volume
2.6332535002967E+21
Height
13277410.498377