90131808 is an even 8-digits composite number following 90131807
and preceding 90131809 . In scientific notation, it is written as 9.0131808 × 10^7.
The sum of its digits is 30. It has a total of 7 prime factors and 24 positive divisors.
There are 27732480 positive integers (up to 90131808) that are relatively prime to 90131808.
90131808 has 24 divisors, whose sum is 181999440
The reverse of 90131808 is 80813109
Previous prime number is 39
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
ninety million one hundred thirty-one thousand eight hundred eight
Scientific notation
9.0131808 × 10^7
Engineering notation
9.0131808 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 39 × 72221
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
5633238
Product of the distinct prime numbers
The prime factorization of 90131808 is 2 × 2 × 2 × 2 × 2 × 39 × 72221.
Since it has a total of 7 prime factors.
5 , 10 , 85 , 69 , 489 , 654 , 4056 , 4313 , 20950 , 99264 , 645745 , 744460 , 7469027 , 5565390 , 11943072 , 63545621 , 446646465 , 415380329 , 6390112940 , 8105413761
n×2
180263616
n×3
270395424
n×4
360527232
n×5
450659040
n÷2
45065904
n÷3
30043936
n÷3
22532952
n÷5
18026361.6
n2
8123742813348864
n3
7.3220762749414E+23
n4
6.5995197297437E+31
n5
5.9482664517347E+39
2 √n
9493.7773304412
3 √n
448.35914016384
4 √n
97.436016597772
5 √n
38.992009403551
1 , 2 , 4 , 8 , 16 , 32 , 39 , 78 , 156 , 312 , 624 , 1248 , 72221 , 144442 , 288884 , 577768 , 1155536 , 2311072 , 2816619 , 5633238 , 11266476 , 22532952 , 45065904 , 90131808
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-90131807
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 90131808 can be divided by 24 positive divisors.
The sum of these divisors (counting 90131808) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
101010111110100110101100000
3
Ternary
20021121011121010
4
Quaternary
11113310311200
5
Quinary
141033204213
6
Senary
12535500520
8
Octal
527646540
10
Decimal
90131808
12
Duodecimal
26227740
16
Hexadecimal
55f4d60
20
Vigesimal
18369a8
36
Base36
1hnu5c
md5
058c28bec73e2d8ca5c327c6bd21309f
sha1
aea4ad3f3e18ff137927bc1a6828703b80c95715
sha256
23e7b1fc4d49f7cb96f5db81e850f445d99d6f64318c8326b9fbd03985d34782
sha512
6f2669695ed2aa69e1f9a0b4fb6c5ac066a3f36313ec0eda6ae58847811e3bc78df14aa870ef95ae8a5c34cf77635ab0a4c4d60afb8d1c6e466b2fe315fe2d1a
ripemd-160
570dbbf0ce783e2f6299888e4decd96e02ddd61f
Diameter
180263616
Circumference
566314851.73513
Area
2.552149074207E+16
Volume
3.0670641379173E+24
Surface area
1.0208596296828E+17
Circumference
566314851.73513
Perimeter
360527232
Area
8123742813348864
Diagonal
127465625.27481
Surface area
48742456880093184
Volume
7.3220762749414E+23
Space diagonal
156112870.83404
Perimeter
270395424
Area
3.5176838250857E+15
Altitude
78056435.417021
Surface area
3.5176838250857E+15
Volume
8.6291496439603E+22
Height
42488541.758269