28291161 is an odd 8-digits composite number following 28291160
and preceding 28291162 . In scientific notation, it is written as 2.8291161 × 10^7.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 18842112 positive integers (up to 28291161) that are relatively prime to 28291161.
28291161 has 8 divisors, whose sum is 37758880
The reverse of 28291161 is 16119282
Previous prime number is 1153
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-eight million two hundred ninety-one thousand one hundred sixty-one
Scientific notation
2.8291161 × 10^7
Engineering notation
2.8291161 × 10^6
Prime Factorization
3 × 1153 × 8179
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28291161
Product of the distinct prime numbers
The prime factorization of 28291161 is 3 × 1153 × 8179.
Since it has a total of 3 prime factors.
1 , 2 , 97 , 43 , 269 , 264 , 3066 , 6120 , 60054 , 48129 , 73503 , 449389 , 5913049 , 1016690 , 5260563 , 72139549 , 264864549 , 77138683 , 2015224779 , 2302974740
n×2
56582322
n×3
84873483
n×4
113164644
n×5
141455805
n÷2
14145580.5
n÷3
9430387
n÷3
7072790.25
n÷5
5658232.2
n2
800389790727921
n3
2.264395643224E+22
n4
6.4062381710149E+29
n5
1.8123991550053E+37
2 √n
5318.9435981217
3 √n
304.70781298367
4 √n
72.931088008624
5 √n
30.926455923149
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28291160
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28291161 can be divided by 8 positive divisors.
The sum of these divisors (counting 28291161) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101011111011000001011001
3
Ternary
1222020100011210
4
Quaternary
1223323001121
5
Quinary
24220304121
6
Senary
2450213333
8
Octal
153730131
10
Decimal
28291161
12
Duodecimal
9584249
16
Hexadecimal
1afb059
20
Vigesimal
8gg7i1
36
Base36
gudll
md5
c6565f3a7f7adeaecdaba5fcafd725e8
sha1
4f60f883f12390dbf9831941da0eec6c46590a87
sha256
9b87c773df976f64a899bd74a270f878a975ad622f16fe98c16b94d88e0a6361
sha512
902e4ada636bc3648ba3a4a96dcf533ab36af75e97f9cb34d895089fc8c59a6104830214b4f8a97d1dfaaf9997017268a3be0377a58a2ac9e8164fafabd75f72
ripemd-160
70ae0f31b8a9fc3a7817e434666b8ec2ff2f4f7b
Diameter
56582322
Circumference
177758607.11825
Area
2.5144986865591E+15
Volume
9.4850782900976E+22
Surface area
1.0057994746236E+16
Circumference
177758607.11825
Perimeter
113164644
Area
800389790727921
Diagonal
40009743.581481
Surface area
4802338744367526
Volume
2.264395643224E+22
Space diagonal
49001728.257111
Perimeter
84873483
Area
3.4657894585005E+14
Altitude
24500864.128556
Surface area
3.4657894585005E+14
Volume
2.6686158576883E+21
Height
13336581.193827