90131813 is an odd 8-digits composite number following 90131812
and preceding 90131814 . In scientific notation, it is written as 9.0131813 × 10^7.
The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors.
There are 89119008 positive integers (up to 90131813) that are relatively prime to 90131813.
90131813 has 4 divisors, whose sum is 91144620
The reverse of 90131813 is 31813109
Previous prime number is 89
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
ninety million one hundred thirty-one thousand eight hundred thirteen
Scientific notation
9.0131813 × 10^7
Engineering notation
9.0131813 × 10^6
Prime Factorization
89 × 1012717
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
90131813
Product of the distinct prime numbers
The prime factorization of 90131813 is 89 × 1012717.
Since it has a total of 2 prime factors.
8 , 1 , 54 , 55 , 268 , 321 , 187 , 9221 , 50286 , 90637 , 579948 , 250048 , 5533922 , 3896651 , 18136681 , 56539351 , 643948683 , 857242695 , 6536240292 , 3115154496
n×2
180263626
n×3
270395439
n×4
360527252
n×5
450659065
n÷2
45065906.5
n÷3
30043937.666667
n÷3
22532953.25
n÷5
18026362.6
n2
8123743714666969
n3
7.3220774935029E+23
n4
6.5995211941591E+31
n5
5.9482681016149E+39
2 √n
9493.7775937716
3 √n
448.35914845464
4 √n
97.436017949071
5 √n
38.992009836161
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
-90131812
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 90131813 can be divided by 4 positive divisors.
The sum of these divisors (counting 90131813) is 1, the average is 0.25.
Base
System
Value
2
Binary
101010111110100110101100101
3
Ternary
20021121011121022
4
Quaternary
11113310311211
5
Quinary
141033204223
6
Senary
12535500525
8
Octal
527646545
10
Decimal
90131813
12
Duodecimal
26227745
16
Hexadecimal
55f4d65
20
Vigesimal
18369ad
36
Base36
1hnu5h
md5
7eb01f58ffb8e839324ee33272f3676a
sha1
b63de60037b5fa5525c88e6e2246bef2e3e071ce
sha256
6594d51f15698c0a6e12ce64c3ad86d4ce871342fb7d76f701aa22c910c70b88
sha512
0098511f1af41af4462709dfb3c389fc6d36b6cc3800d0489b96a06c2a6e643a41807cb2d681d9b34c4044078352798b36b8a660c9823db65b4ac6a237d65bea
ripemd-160
25d39fe357e391ecc1718372f25a7e73aced02dc
Diameter
180263626
Circumference
566314883.15106
Area
2.5521493573644E+16
Volume
3.0670646483472E+24
Surface area
1.0208597429458E+17
Circumference
566314883.15106
Perimeter
360527252
Area
8123743714666969
Diagonal
127465632.34588
Surface area
48742462288001814
Volume
7.3220774935029E+23
Space diagonal
156112879.4943
Perimeter
270395439
Area
3.5176842153679E+15
Altitude
78056439.747149
Surface area
3.5176842153679E+15
Volume
8.6291510800488E+22
Height
42488544.115292