20691609 is an odd 8-digits composite number following 20691608
and preceding 20691610 . In scientific notation, it is written as 2.0691609 × 10^7.
The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors.
There are 13500816 positive integers (up to 20691609) that are relatively prime to 20691609.
20691609 has 8 divisors, whose sum is 28176000
The reverse of 20691609 is 90619602
Previous prime number is 47
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty million six hundred ninety-one thousand six hundred nine
Scientific notation
2.0691609 × 10^7
Engineering notation
2.0691609 × 10^6
Prime Factorization
3 × 47 × 146749
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20691609
Product of the distinct prime numbers
The prime factorization of 20691609 is 3 × 47 × 146749.
Since it has a total of 3 prime factors.
8 , 6 , 90 , 54 , 678 , 566 , 784 , 2483 , 45882 , 71584 , 284016 , 416646 , 1966744 , 7289704 , 96145567 , 22488707 , 120371706 , 684863356 , 6372625541 , 7756240206
n×2
41383218
n×3
62074827
n×4
82766436
n×5
103458045
n÷2
10345804.5
n÷3
6897203
n÷3
5172902.25
n÷5
4138321.8
n2
428142683008881
n3
8.8589609930307E+21
n4
1.8330615701404E+29
n5
3.7928993282272E+36
2 √n
4548.8030293694
3 √n
274.535232587
4 √n
67.444814695938
5 √n
29.050850580449
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
-20691608
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 20691609 can be divided by 8 positive divisors.
The sum of these divisors (counting 20691609) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001110111011101010011001
3
Ternary
1102221020112220
4
Quaternary
1032323222121
5
Quinary
20244112414
6
Senary
2015254253
8
Octal
116735231
10
Decimal
20691609
12
Duodecimal
6b1a389
16
Hexadecimal
13bba99
20
Vigesimal
696909
36
Base36
cbhqx
md5
5a3467e8f5b837173b3f1928673bacdc
sha1
5bd1bfc7e82e5e5adbdc083254e42a1672daff58
sha256
1c44ea443181ed9c5abd5bb5c428b96c04bc30694412f084b6ed0142849627a3
sha512
1c8bb143a68b4b330cc0351aad4ea40449f3665289d7359d7b8902fea9fd7970b141259a6248c214e547143353c3b13dcceaf3f8ad48d877df59ed934e387f2a
ripemd-160
b244242a6792e5478d0bdce71e19a053ba28f2c6
Diameter
41383218
Circumference
130009213.6507
Area
1.3450499076289E+15
Volume
3.7108329032192E+22
Surface area
5.3801996305157E+15
Circumference
130009213.6507
Perimeter
82766436
Area
428142683008881
Diagonal
29262354.075121
Surface area
2568856098053286
Volume
8.8589609930307E+21
Space diagonal
35838918.078349
Perimeter
62074827
Area
1.8539121996506E+14
Altitude
17919459.039175
Surface area
1.8539121996506E+14
Volume
1.0440385654065E+21
Height
9754118.0250404