90131812 is an even 8-digits composite number following 90131811
and preceding 90131813 . In scientific notation, it is written as 9.0131812 × 10^7.
The sum of its digits is 25. It has a total of 3 prime factors and 6 positive divisors.
There are 45065904 positive integers (up to 90131812) that are relatively prime to 90131812.
90131812 has 6 divisors, whose sum is 157730678
The reverse of 90131812 is 21813109
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
ninety million one hundred thirty-one thousand eight hundred twelve
Scientific notation
9.0131812 × 10^7
Engineering notation
9.0131812 × 10^6
Prime Factorization
2 × 2 × 22532953
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
45065906
Product of the distinct prime numbers
The prime factorization of 90131812 is 2 × 2 × 22532953.
Since it has a total of 3 prime factors.
10 , 4 , 46 , 22 , 969 , 448 , 2472 , 3945 , 14702 , 51665 , 575177 , 852957 , 5331082 , 3023177 , 60026682 , 35662986 , 213680005 , 764589859 , 78844927 , 5686470873
n×2
180263624
n×3
270395436
n×4
360527248
n×5
450659060
n÷2
45065906
n÷3
30043937.333333
n÷3
22532953
n÷5
18026362.4
n2
8123743534403344
n3
7.3220772497906E+23
n4
6.599520901276E+31
n5
5.9482677716388E+39
2 √n
9493.7775411055
3 √n
448.35914679648
4 √n
97.436017678811
5 √n
38.992009749639
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-90131811
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 90131812 can be divided by 6 positive divisors.
The sum of these divisors (counting 90131812) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
101010111110100110101100100
3
Ternary
20021121011121021
4
Quaternary
11113310311210
5
Quinary
141033204222
6
Senary
12535500524
8
Octal
527646544
10
Decimal
90131812
12
Duodecimal
26227744
16
Hexadecimal
55f4d64
20
Vigesimal
18369ac
36
Base36
1hnu5g
md5
132d408fbb564459b9cc21470c10e72e
sha1
fcfc8ca08008e921ba79393ce060ab689fab986f
sha256
72e09119f174783d8aaca2698ee54627d9f2ad707b9289a7dff29a465e165c9a
sha512
1fb967ea2d88bb0654235a9850da38be5c5e57dd92e19d62090d7b935bdbacc42021a0e5cc0438e4420113ad5df22e58d947d8ac0a069cb6ea8bbe4eb3f9cc3a
ripemd-160
e2e6ffa61a62e559026cbdf937c0eae833329f7b
Diameter
180263624
Circumference
566314876.86787
Area
2.5521493007329E+16
Volume
3.0670645462612E+24
Surface area
1.0208597202932E+17
Circumference
566314876.86787
Perimeter
360527248
Area
8123743534403344
Diagonal
127465630.93166
Surface area
48742461206420064
Volume
7.3220772497906E+23
Space diagonal
156112877.76225
Perimeter
270395436
Area
3.5176841373114E+15
Altitude
78056438.881123
Surface area
3.5176841373114E+15
Volume
8.6291507928311E+22
Height
42488543.643887