90131481 is an odd 8-digits composite number following 90131480
and preceding 90131482 . In scientific notation, it is written as 9.0131481 × 10^7.
The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors.
There are 54624960 positive integers (up to 90131481) that are relatively prime to 90131481.
90131481 has 8 divisors, whose sum is 103181160
The reverse of 90131481 is 18413109
Previous prime number is 9
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
ninety million one hundred thirty-one thousand four hundred eighty-one
Scientific notation
9.0131481 × 10^7
Engineering notation
9.0131481 × 10^6
Prime Factorization
33 × 9 × 303473
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
90131481
Product of the distinct prime numbers
The prime factorization of 90131481 is 33 × 9 × 303473.
Since it has a total of 3 prime factors.
10 , 4 , 77 , 25 , 975 , 430 , 1626 , 4939 , 62771 , 68691 , 894361 , 23220 , 2319625 , 58631 , 84966709 , 43261701 , 245560232 , 416945262 , 6779174156 , 4665036335
n×2
180262962
n×3
270394443
n×4
360525924
n×5
450657405
n÷2
45065740.5
n÷3
30043827
n÷3
22532870.25
n÷5
18026296.2
n2
8123683867253361
n3
7.3219965813135E+23
n4
6.5994239575073E+31
n5
5.9481585503701E+39
2 √n
9493.7601086187
3 √n
448.35859794455
4 √n
97.435928222698
5 √n
38.991981110752
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
-90131480
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 90131481 can be divided by 8 positive divisors.
The sum of these divisors (counting 90131481) is 1, the average is 0.125.
Base
System
Value
2
Binary
101010111110100110000011001
3
Ternary
20021121011011000
4
Quaternary
11113310300121
5
Quinary
141033201411
6
Senary
12535455213
8
Octal
527646031
10
Decimal
90131481
12
Duodecimal
26227509
16
Hexadecimal
55f4c19
20
Vigesimal
18368e1
36
Base36
1hntw9
md5
d45ce5c89c1d1e1f8ac6b81935e14859
sha1
69742fbaa2fd59980f704af539b386d5e84d2865
sha256
dbb5c7f3879909972ce70d7da8bcd88b096b363d110789283c983f103af8d177
sha512
44ac98e7c6319a24c3aee3ed20f899987e45f2f919bec18cc5545baa500e2b5605209e8ac6f7b4c2cd105c1601c74c49c302102e8b1e3483a68ad60f03b7e0a0
ripemd-160
ba8d072cdf02a82066e9c951eace910ad2d6a828
Diameter
180262962
Circumference
566312797.13354
Area
2.5521305557449E+16
Volume
3.0670307559286E+24
Surface area
1.020852222298E+17
Circumference
566312797.13354
Perimeter
360525924
Area
8123683867253361
Diagonal
127465162.82697
Surface area
48742103203520166
Volume
7.3219965813135E+23
Space diagonal
156112304.45343
Perimeter
270394443
Area
3.5176583006776E+15
Altitude
78056152.226714
Surface area
3.5176583006776E+15
Volume
8.6290557241192E+22
Height
42488387.608991