90131438 is an even 8-digits composite number following 90131437
and preceding 90131439 . In scientific notation, it is written as 9.0131438 × 10^7.
The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors.
There are 45065718 positive integers (up to 90131438) that are relatively prime to 90131438.
90131438 has 4 divisors, whose sum is 135197160
The reverse of 90131438 is 83413109
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
ninety million one hundred thirty-one thousand four hundred thirty-eight
Scientific notation
9.0131438 × 10^7
Engineering notation
9.0131438 × 10^6
Prime Factorization
2 × 45065719
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
90131438
Product of the distinct prime numbers
The prime factorization of 90131438 is 2 × 45065719.
Since it has a total of 2 prime factors.
10 , 5 , 99 , 55 , 100 , 358 , 8826 , 109 , 91029 , 51429 , 156794 , 272815 , 1316223 , 7793483 , 97986183 , 12426491 , 697147948 , 654303723 , 8596996705 , 5597900794
n×2
180262876
n×3
270394314
n×4
360525752
n×5
450657190
n÷2
45065719
n÷3
30043812.666667
n÷3
22532859.5
n÷5
18026287.6
n2
8123676115947844
n3
7.3219861017663E+23
n4
6.5994113636821E+31
n5
5.9481443616221E+39
2 √n
9493.7578439731
3 √n
448.35852664344
4 √n
97.435916601493
5 √n
38.991977390286
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-90131437
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 90131438 can be divided by 4 positive divisors.
The sum of these divisors (counting 90131438) is 1, the average is 0.25.
Base
System
Value
2
Binary
101010111110100101111101110
3
Ternary
20021121011002102
4
Quaternary
11113310233232
5
Quinary
141033201223
6
Senary
12535455102
8
Octal
527645756
10
Decimal
90131438
12
Duodecimal
26227492
16
Hexadecimal
55f4bee
20
Vigesimal
18368bi
36
Base36
1hntv2
md5
b6f6bafa757c2092dc83f243729ca5f9
sha1
99e0d822256b19901cfba3881ce78620dcf48e91
sha256
2e35a9c1b4fe3db5a57a1f0ac77279fb02e042e02832c500b5a89397f606355c
sha512
8d07cc4074567e79756b7ac063a3883bd242a8e88d7cdf40074664b69f7593b091fa863474b5c49d9f52d1ff25f56ff548ab3c944194d5644eb0c229fd1df8dc
ripemd-160
1b76f6d88463df898c338ed69f0a4f8b86e60859
Diameter
180262876
Circumference
566312526.95657
Area
2.5521281206005E+16
Volume
3.0670263662661E+24
Surface area
1.0208512482402E+17
Circumference
566312526.95657
Perimeter
360525752
Area
8123676115947844
Diagonal
127465102.01579
Surface area
48742056695687064
Volume
7.3219861017663E+23
Space diagonal
156112229.97524
Perimeter
270394314
Area
3.5176549442639E+15
Altitude
78056114.987622
Surface area
3.5176549442639E+15
Volume
8.6290433738544E+22
Height
42488367.338597