90131645 is an odd 8-digits composite number following 90131644
and preceding 90131646 . In scientific notation, it is written as 9.0131645 × 10^7.
The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors.
There are 70563264 positive integers (up to 90131645) that are relatively prime to 90131645.
90131645 has 8 divisors, whose sum is 109991520
The reverse of 90131645 is 54613109
Previous prime number is 305531
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
ninety million one hundred thirty-one thousand six hundred forty-five
Scientific notation
9.0131645 × 10^7
Engineering notation
9.0131645 × 10^6
Prime Factorization
5 × 305531 × 59
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
90131645
Product of the distinct prime numbers
The prime factorization of 90131645 is 5 × 305531 × 59.
Since it has a total of 3 prime factors.
1 , 2 , 68 , 75 , 157 , 883 , 159 , 9884 , 19261 , 38525 , 970840 , 452043 , 9062460 , 2897612 , 6483751 , 62636470 , 474366685 , 86124586 , 4799710873 , 2948683906
n×2
180263290
n×3
270394935
n×4
360526580
n×5
450658225
n÷2
45065822.5
n÷3
30043881.666667
n÷3
22532911.25
n÷5
18026329
n2
8123713430406025
n3
7.3220365499109E+23
n4
6.5994719899359E+31
n5
5.9482126658435E+39
2 √n
9493.7687458669
3 √n
448.35886988344
4 √n
97.435972545395
5 √n
38.991995300422
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
-90131644
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 90131645 can be divided by 8 positive divisors.
The sum of these divisors (counting 90131645) is 1, the average is 0.125.
Base
System
Value
2
Binary
101010111110100110010111101
3
Ternary
20021121011101002
4
Quaternary
11113310302331
5
Quinary
141033203040
6
Senary
12535500045
8
Octal
527646275
10
Decimal
90131645
12
Duodecimal
26227625
16
Hexadecimal
55f4cbd
20
Vigesimal
1836925
36
Base36
1hnu0t
md5
1b4642c7ab559957cedd20dbc01b7527
sha1
c34db65226889ee4cbaaaac5bda491d3aee06da5
sha256
f7aa0f461df086cf3cfac44a5c45c6ffa594a623dac1f4e28a21742c2891fb5d
sha512
19e61df73e94ff44e466292de5292ba0d752476e1fd6af18461979ef5ec7cdb907fef354ad77ddac33341e615e862246d511298966f6caae4ccb0ebcc42c1987
ripemd-160
ac236b3b999841592f6ee4e10471d49d41e396e0
Diameter
180263290
Circumference
566313827.57593
Area
2.5521398432832E+16
Volume
3.0670474979355E+24
Surface area
1.0208559373133E+17
Circumference
566313827.57593
Perimeter
360526580
Area
8123713430406025
Diagonal
127465394.758
Surface area
48742280582436150
Volume
7.3220365499109E+23
Space diagonal
156112588.50976
Perimeter
270394935
Area
3.5176711018982E+15
Altitude
78056294.254881
Surface area
3.5176711018982E+15
Volume
8.6291028275629E+22
Height
42488464.919332