90131788 is an even 8-digits composite number following 90131787
and preceding 90131789 . In scientific notation, it is written as 9.0131788 × 10^7.
The sum of its digits is 37. It has a total of 3 prime factors and 6 positive divisors.
There are 45065892 positive integers (up to 90131788) that are relatively prime to 90131788.
90131788 has 6 divisors, whose sum is 157730636
The reverse of 90131788 is 88713109
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
ninety million one hundred thirty-one thousand seven hundred eighty-eight
Scientific notation
9.0131788 × 10^7
Engineering notation
9.0131788 × 10^6
Prime Factorization
2 × 2 × 22532947
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
45065894
Product of the distinct prime numbers
The prime factorization of 90131788 is 2 × 2 × 22532947.
Since it has a total of 3 prime factors.
5 , 2 , 78 , 59 , 674 , 774 , 4817 , 2462 , 83972 , 56560 , 246016 , 72903 , 5830900 , 6151337 , 59017773 , 37874183 , 489691017 , 448951866 , 4363000959 , 181402224
n×2
180263576
n×3
270395364
n×4
360527152
n×5
450658940
n÷2
45065894
n÷3
30043929.333333
n÷3
22532947
n÷5
18026357.6
n2
8123739208076944
n3
7.3220714006968E+23
n4
6.5995138720847E+31
n5
5.9482598522179E+39
2 √n
9493.7762771197
3 √n
448.35910700062
4 √n
97.436011192575
5 √n
38.992007673106
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
-90131787
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 90131788 can be divided by 6 positive divisors.
The sum of these divisors (counting 90131788) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
101010111110100110101001100
3
Ternary
20021121011120101
4
Quaternary
11113310311030
5
Quinary
141033204123
6
Senary
12535500444
8
Octal
527646514
10
Decimal
90131788
12
Duodecimal
26227724
16
Hexadecimal
55f4d4c
20
Vigesimal
1836998
36
Base36
1hnu4s
md5
ea0770c58c3d954ac0c83679382b029b
sha1
70f41e334143461bb7cf3e92c398d68672217ed2
sha256
b15b7e1cd8636871c0468c2d51a2bc2b605865435140bf8bc3bd6598231e440b
sha512
ece265e47277e86812331f077518527c53369b330cb5c889099cbdba6750fa052d0132b15afde5d69b86ed3b3f8053495b002a6596d67a802b60a3598adc19bc
ripemd-160
65e1255e08e8e5e8355edfd36bbf8dd61ec5cd67
Diameter
180263576
Circumference
566314726.07143
Area
2.5521479415774E+16
Volume
3.0670620961985E+24
Surface area
1.020859176631E+17
Circumference
566314726.07143
Perimeter
360527152
Area
8123739208076944
Diagonal
127465596.99054
Surface area
48742435248461664
Volume
7.3220714006968E+23
Space diagonal
156112836.19303
Perimeter
270395364
Area
3.5176822639572E+15
Altitude
78056418.096513
Surface area
3.5176822639572E+15
Volume
8.629143899608E+22
Height
42488532.330179