20731972 is an even 8-digits composite number following 20731971
and preceding 20731973 . In scientific notation, it is written as 2.0731972 × 10^7.
The sum of its digits is 31. It has a total of 3 prime factors and 6 positive divisors.
There are 10365984 positive integers (up to 20731972) that are relatively prime to 20731972.
20731972 has 6 divisors, whose sum is 36280958
The reverse of 20731972 is 27913702
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million seven hundred thirty-one thousand nine hundred seventy-two
Scientific notation
2.0731972 × 10^7
Engineering notation
2.0731972 × 10^6
Prime Factorization
2 × 2 × 5182993
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
10365986
Product of the distinct prime numbers
The prime factorization of 20731972 is 2 × 2 × 5182993.
Since it has a total of 3 prime factors.
6 , 3 , 91 , 68 , 298 , 655 , 9730 , 1923 , 62662 , 85098 , 553601 , 598508 , 3123442 , 3680058 , 81564926 , 34476878 , 955063229 , 625082428 , 6660354546 , 340175431
n×2
41463944
n×3
62195916
n×4
82927888
n×5
103659860
n÷2
10365986
n÷3
6910657.3333333
n÷3
5182993
n÷5
4146394.4
n2
429814663008784
n3
8.9109055586875E+21
n4
1.8474064453735E+29
n5
3.8300378698104E+36
2 √n
4553.2375294948
3 √n
274.71362806018
4 √n
67.477681713992
5 √n
29.062175611904
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20731971
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20731972 can be divided by 6 positive divisors.
The sum of these divisors (counting 20731972) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1001111000101100001000100
3
Ternary
1110000021220211
4
Quaternary
1033011201010
5
Quinary
20301410342
6
Senary
2020205204
8
Octal
117054104
10
Decimal
20731972
12
Duodecimal
6b39804
16
Hexadecimal
13c5844
20
Vigesimal
69b9ic
36
Base36
cccw4
md5
9688e6e8e2872aae09c864c9cfd5dddf
sha1
832485f2f64cf0ebe91c5a07834309eb30a8d283
sha256
d0cab33c48b7c1d177a4687816322586b694b6d190c14d9a62b856a17900de4d
sha512
cab654cf6508d6317317f8d1a9bc25513e3744b5d13fb0cd9e8da40fbd275d2d560044d81fab6ee0af1fd6941fbee01eefe7add5b2363a52c0298cb57257cabb
ripemd-160
21006f0adfc85f6794e77e0fe519e6cbff3393c3
Diameter
41463944
Circumference
130262821.85926
Area
1.3503025877136E+15
Volume
3.7325913920007E+22
Surface area
5.4012103508543E+15
Circumference
130262821.85926
Perimeter
82927888
Area
429814663008784
Diagonal
29319435.977139
Surface area
2578887978052704
Volume
8.9109055586875E+21
Space diagonal
35908828.845095
Perimeter
62195916
Area
1.8611520854233E+14
Altitude
17954414.422548
Surface area
1.8611520854233E+14
Volume
1.0501602911768E+21
Height
9773145.3257131