20731684 is an even 8-digits composite number following 20731683
and preceding 20731685 . In scientific notation, it is written as 2.0731684 × 10^7.
The sum of its digits is 31. It has a total of 4 prime factors and 12 positive divisors.
There are 10031400 positive integers (up to 20731684) that are relatively prime to 20731684.
20731684 has 12 divisors, whose sum is 37451008
The reverse of 20731684 is 48613702
Previous prime number is 31
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million seven hundred thirty-one thousand six hundred eighty-four
Scientific notation
2.0731684 × 10^7
Engineering notation
2.0731684 × 10^6
Prime Factorization
2 × 2 × 31 × 167191
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10365842
Product of the distinct prime numbers
The prime factorization of 20731684 is 2 × 2 × 31 × 167191.
Since it has a total of 4 prime factors.
7 , 8 , 84 , 67 , 824 , 423 , 9132 , 5861 , 41772 , 62380 , 357266 , 950191 , 2951819 , 6921852 , 68355149 , 26440870 , 454676743 , 509697089 , 912371719 , 5159190979
n×2
41463368
n×3
62195052
n×4
82926736
n×5
103658420
n÷2
10365842
n÷3
6910561.3333333
n÷3
5182921
n÷5
4146336.8
n2
429802721475856
n3
8.9105342039775E+21
n4
1.8473037938805E+29
n5
3.8297718506732E+36
2 √n
4553.2059035365
3 √n
274.71235598483
4 √n
67.477447369744
5 √n
29.062094867505
1 , 2 , 4 , 31 , 62 , 124 , 167191 , 334382 , 668764 , 5182921 , 10365842 , 20731684
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
-20731683
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 20731684 can be divided by 12 positive divisors.
The sum of these divisors (counting 20731684) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001111000101011100100100
3
Ternary
1110000021112011
4
Quaternary
1033011130210
5
Quinary
20301403214
6
Senary
2020204004
8
Octal
117053444
10
Decimal
20731684
12
Duodecimal
6b39604
16
Hexadecimal
13c5724
20
Vigesimal
69b944
36
Base36
ccco4
md5
cd7cb725d0f4112d9fdb4d06ed3ae8a8
sha1
6c4c444957b726f4ac938ed323dbf192623a7b13
sha256
400696980d6b6b539451a8106abf787744a60d315af3feb5d43c9984465aa618
sha512
2c26b113b21cc2b34b54314211a26dfd56bb663c22bdaedf74fe158055cb9a92a4e73c91e7063b27d096405498a63f59089b52f97dc107cd0f476e6311c25000
ripemd-160
f271c048dda9068885e85f6a59a71e5ac624bbe5
Diameter
41463368
Circumference
130261012.30189
Area
1.3502650722814E+15
Volume
3.7324358393035E+22
Surface area
5.4010602891258E+15
Circumference
130261012.30189
Perimeter
82926736
Area
429802721475856
Diagonal
29319028.683633
Surface area
2578816328855136
Volume
8.9105342039775E+21
Space diagonal
35908330.014463
Perimeter
62195052
Area
1.8611003770689E+14
Altitude
17954165.007231
Surface area
1.8611003770689E+14
Volume
1.0501165266045E+21
Height
9773009.5612111