28931090 is an even 8-digits composite number following 28931089
and preceding 28931091 . In scientific notation, it is written as 2.8931090 × 10^7.
The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors.
There are 11530416 positive integers (up to 28931090) that are relatively prime to 28931090.
28931090 has 16 divisors, whose sum is 52265088
The reverse of 28931090 is 09013982
Previous prime number is 283
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty-eight million nine hundred thirty-one thousand ninety
Scientific notation
2.8931090 × 10^7
Engineering notation
2.8931090 × 10^6
Prime Factorization
2 × 5 × 283 × 10223
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28931090
Product of the distinct prime numbers
The prime factorization of 28931090 is 2 × 5 × 283 × 10223.
Since it has a total of 4 prime factors.
7 , 3 , 24 , 67 , 1000 , 998 , 8147 , 7552 , 65785 , 577 , 29739 , 113642 , 1550520 , 4528570 , 67034326 , 50899825 , 370803286 , 279927729 , 4618411746 , 3951642621
n×2
57862180
n×3
86793270
n×4
115724360
n×5
144655450
n÷2
14465545
n÷3
9643696.6666667
n÷3
7232772.5
n÷5
5786218
n2
837007968588100
n3
2.4215552869939E+22
n4
7.0058233947998E+29
n5
2.0268610715906E+37
2 √n
5378.7628689133
3 √n
306.98814088381
4 √n
73.34004955625
5 √n
31.065114541936
1 , 2 , 5 , 10 , 283 , 566 , 1415 , 2830 , 10223 , 20446 , 51115 , 102230 , 2893109 , 5786218 , 14465545 , 28931090
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
-28931089
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 28931090 can be divided by 16 positive divisors.
The sum of these divisors (counting 28931090) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101110010111010000010010
3
Ternary
2000102211222212
4
Quaternary
1232113100102
5
Quinary
24401243330
6
Senary
2512032122
8
Octal
156272022
10
Decimal
28931090
12
Duodecimal
9832642
16
Hexadecimal
1b97412
20
Vigesimal
90g7ea
36
Base36
h83de
md5
e02df088fef437d34b7baa109daad9ac
sha1
523fc1160960dba32a31c725b15afc1d284c8964
sha256
3a054e6da7a57234eca9d9b7f955743d1e88d02e2eb425fc1ad065b9dabb4827
sha512
7974c8c8cc30f01a160e3fb40baeff8b1272f0b631d91b1d64f4a70f0e3eb3c4409ddfb6b8f8ae3838b43d0ae28b3bacb2beefde00fbb5ebc9469917216f8848
ripemd-160
8205b272eb6d723adc6c28aff68f8760ac5d0865
Diameter
57862180
Circumference
181779399.60869
Area
2.6295380851125E+15
Volume
1.0143387066509E+23
Surface area
1.051815234045E+16
Circumference
181779399.60869
Perimeter
115724360
Area
837007968588100
Diagonal
40914739.852237
Surface area
5022047811528600
Volume
2.4215552869939E+22
Space diagonal
50110117.798348
Perimeter
86793270
Area
3.6243508198365E+14
Altitude
25055058.899174
Surface area
3.6243508198365E+14
Volume
2.8538302740859E+21
Height
13638246.617412