20731644 is an even 8-digits composite number following 20731643
and preceding 20731645 . In scientific notation, it is written as 2.0731644 × 10^7.
The sum of its digits is 27. It has a total of 5 prime factors and 24 positive divisors.
There are 6866208 positive integers (up to 20731644) that are relatively prime to 20731644.
20731644 has 24 divisors, whose sum is 40570320
The reverse of 20731644 is 44613702
Previous prime number is 163
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million seven hundred thirty-one thousand six hundred forty-four
Scientific notation
2.0731644 × 10^7
Engineering notation
2.0731644 × 10^6
Prime Factorization
2 × 2 × 9 × 163 × 3533
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10365822
Product of the distinct prime numbers
The prime factorization of 20731644 is 2 × 2 × 9 × 163 × 3533.
Since it has a total of 5 prime factors.
2 , 9 , 15 , 99 , 691 , 103 , 4994 , 8116 , 53593 , 26628 , 893463 , 633644 , 1488514 , 4914378 , 94880824 , 24134752 , 446620909 , 562662996 , 4354483260 , 1924962887
n×2
41463288
n×3
62194932
n×4
82926576
n×5
103658220
n÷2
10365822
n÷3
6910548
n÷3
5182911
n÷5
4146328.8
n2
429801062942736
n3
8.9104826277504E+21
n4
1.8472895370671E+29
n5
3.8297349047399E+36
2 √n
4553.201511025
3 √n
274.71217930677
4 √n
67.477414821738
5 √n
29.062083652934
1 , 2 , 4 , 9 , 18 , 36 , 163 , 326 , 652 , 1467 , 2934 , 3533 , 5868 , 7066 , 14132 , 31797 , 63594 , 127188 , 575879 , 1151758 , 2303516 , 5182911 , 10365822 , 20731644
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
-20731643
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 20731644 can be divided by 24 positive divisors.
The sum of these divisors (counting 20731644) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001111000101011011111100
3
Ternary
1110000021110200
4
Quaternary
1033011123330
5
Quinary
20301403034
6
Senary
2020203500
8
Octal
117053374
10
Decimal
20731644
12
Duodecimal
6b39590
16
Hexadecimal
13c56fc
20
Vigesimal
69b924
36
Base36
cccn0
md5
87fc9d9976309646614f582edc2ace81
sha1
f69d996c191f760ff594dc1f6c2dc0043c605b34
sha256
0e4e305dcc13022b50ddb7f258c77e4c067b6afa3d4ed02c2131ed895f37a569
sha512
0a3ff70f1faaf8793f72df9f24aad4397f5fccd91c9e976bb86bffa9fa2ab944d85d857161c2e57a7404661c00ac1f91fe0ae9d30b0db4997a61fbe1683afdaa
ripemd-160
e68e019f0cffeb03f8586164004e041132bcfa16
Diameter
41463288
Circumference
130260760.97448
Area
1.350259861846E+15
Volume
3.732414235104E+22
Surface area
5.4010394473839E+15
Circumference
130260760.97448
Perimeter
82926576
Area
429801062942736
Diagonal
29318972.115091
Surface area
2578806377656416
Volume
8.9104826277504E+21
Space diagonal
35908260.73243
Perimeter
62194932
Area
1.8610931954098E+14
Altitude
17954130.366215
Surface area
1.8610931954098E+14
Volume
1.0501104482879E+21
Height
9772990.7050303