20691864 is an even 8-digits composite number following 20691863
and preceding 20691865 . In scientific notation, it is written as 2.0691864 × 10^7.
The sum of its digits is 36. It has a total of 6 prime factors and 24 positive divisors.
There are 6897264 positive integers (up to 20691864) that are relatively prime to 20691864.
20691864 has 24 divisors, whose sum is 56040660
The reverse of 20691864 is 46819602
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty million six hundred ninety-one thousand eight hundred sixty-four
Scientific notation
2.0691864 × 10^7
Engineering notation
2.0691864 × 10^6
Prime Factorization
2 × 2 × 2 × 3 × 3 × 287387
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
1724322
Product of the distinct prime numbers
The prime factorization of 20691864 is 2 × 2 × 2 × 3 × 3 × 287387.
Since it has a total of 6 prime factors.
7 , 6 , 70 , 3 , 952 , 866 , 2599 , 849 , 86951 , 5751 , 805214 , 709646 , 1521351 , 675612 , 85109688 , 11976590 , 935538439 , 121687482 , 4192281044 , 8970881436
n×2
41383728
n×3
62075592
n×4
82767456
n×5
103459320
n÷2
10345932
n÷3
6897288
n÷3
5172966
n÷5
4138372.8
n2
428153235794496
n3
8.8592885262196E+21
n4
1.833151933213E+29
n5
3.793133049338E+36
2 √n
4548.8310586347
3 √n
274.53636035812
4 √n
67.44502248969
5 √n
29.050922183681
1 , 2 , 3 , 4 , 6 , 8 , 9 , 12 , 18 , 24 , 36 , 72 , 287387 , 574774 , 862161 , 1149548 , 1724322 , 2299096 , 2586483 , 3448644 , 5172966 , 6897288 , 10345932 , 20691864
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
-20691863
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 20691864 can be divided by 24 positive divisors.
The sum of these divisors (counting 20691864) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001110111011101110011000
3
Ternary
1102221020220100
4
Quaternary
1032323232120
5
Quinary
20244114424
6
Senary
2015255400
8
Octal
116735630
10
Decimal
20691864
12
Duodecimal
6b1a560
16
Hexadecimal
13bbb98
20
Vigesimal
6969d4
36
Base36
cbhy0
md5
a21697bc143bfa052e07e530aa8b778f
sha1
dd329e44a02529f94b40e7bd537e461a7077f422
sha256
74eec3fd2f6e6b9bc30e4fea99febdc7262842b31adc351ecc54ea902cf9e647
sha512
baed63f358b45d7d2735d1e3327441c710765d3731e9c0b943b0669f9ac9d27a8e60e5357de40ed942b736dbcdaaa31d838748506a058e3a940e13e67c6eb508
ripemd-160
85737ac6a3ffec7993a973d911b3982263172c2e
Diameter
41383728
Circumference
130010815.86296
Area
1.3450830601827E+15
Volume
3.7109701000005E+22
Surface area
5.3803322407307E+15
Circumference
130010815.86296
Perimeter
82767456
Area
428153235794496
Diagonal
29262714.69958
Surface area
2568919414766976
Volume
8.8592885262196E+21
Space diagonal
35839359.751305
Perimeter
62075592
Area
1.8539578945527E+14
Altitude
17919679.875653
Surface area
1.8539578945527E+14
Volume
1.044077165563E+21
Height
9754238.2331932