90720909 is an odd 8-digits composite number following 90720908
and preceding 90720910 . In scientific notation, it is written as 9.0720909 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 12 positive divisors.
There are 59751432 positive integers (up to 90720909) that are relatively prime to 90720909.
90720909 has 12 divisors, whose sum is 132621216
The reverse of 90720909 is 90902709
Previous prime number is 83
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
ninety million seven hundred twenty thousand nine hundred nine
Scientific notation
9.0720909 × 10^7
Engineering notation
9.0720909 × 10^6
Prime Factorization
3 × 3 × 83 × 121447
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
30240303
Product of the distinct prime numbers
The prime factorization of 90720909 is 3 × 3 × 83 × 121447.
Since it has a total of 4 prime factors.
7 , 5 , 85 , 80 , 261 , 620 , 1814 , 8397 , 84943 , 98176 , 511839 , 714879 , 6982722 , 185006 , 55500799 , 45228342 , 256196325 , 950632371 , 6979305641 , 3722036508
n×2
181441818
n×3
272162727
n×4
362883636
n×5
453604545
n÷2
45360454.5
n÷3
30240303
n÷3
22680227.25
n÷5
18144181.8
n2
8230283329786281
n3
7.4665878500576E+23
n4
6.7737563688558E+31
n5
6.1452133512714E+39
2 √n
9524.7524377277
3 √n
449.33384397435
4 √n
97.594838171533
5 √n
39.042846978763
1 , 3 , 9 , 83 , 249 , 747 , 121447 , 364341 , 1093023 , 10080101 , 30240303 , 90720909
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-90720908
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 90720909 can be divided by 12 positive divisors.
The sum of these divisors (counting 90720909) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
101011010000100101010001101
3
Ternary
20022201002200200
4
Quaternary
11122010222031
5
Quinary
141211032114
6
Senary
13000244113
8
Octal
532045215
10
Decimal
90720909
12
Duodecimal
26470639
16
Hexadecimal
5684a8d
20
Vigesimal
1870259
36
Base36
1i0gp9
md5
b21a9f8b14772ee95fe0bb347ea4cd93
sha1
733457fb188a47270dc3b0c3eebce391b760252e
sha256
7ebaa98e48b40928ff63f0985ae01c40291165f9e820a9019f65d5df4ce6b247
sha512
8cfe1ab5a012953a6425e854066c7260437b9d009bf7610368a8f0d75304934de282093c4cd96e2ecc322af24d42ae2c85fac7bdec2adfc79d2e25e8e145a636
ripemd-160
d33208f7458b00da682542f3053960f5a492a994
Diameter
181441818
Circumference
570016282.48278
Area
2.5856197645819E+16
Volume
3.1275970049498E+24
Surface area
1.0342479058328E+17
Circumference
570016282.48278
Perimeter
362883636
Area
8230283329786281
Diagonal
128298739.89862
Surface area
49381699978717686
Volume
7.4665878500576E+23
Space diagonal
157133223.69683
Perimeter
272162727
Area
3.5638172219692E+15
Altitude
78566611.848416
Surface area
3.5638172219692E+15
Volume
8.7994581685013E+22
Height
42766246.632872