20731938 is an even 8-digits composite number following 20731937
and preceding 20731939 . In scientific notation, it is written as 2.0731938 × 10^7.
The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors.
There are 6910644 positive integers (up to 20731938) that are relatively prime to 20731938.
20731938 has 8 divisors, whose sum is 41463888
The reverse of 20731938 is 83913702
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty million seven hundred thirty-one thousand nine hundred thirty-eight
Scientific notation
2.0731938 × 10^7
Engineering notation
2.0731938 × 10^6
Prime Factorization
2 × 3 × 3455323
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20731938
Product of the distinct prime numbers
The prime factorization of 20731938 is 2 × 3 × 3455323.
Since it has a total of 3 prime factors.
4 , 10 , 39 , 92 , 286 , 748 , 3551 , 7139 , 98721 , 66957 , 788946 , 283250 , 9757764 , 1067216 , 33755927 , 78614429 , 306066989 , 197297224 , 8618351534 , 5645284296
n×2
41463876
n×3
62195814
n×4
82927752
n×5
103659690
n÷2
10365969
n÷3
6910646
n÷3
5182984.5
n÷5
4146387.6
n2
429813253235844
n3
8.9108617176638E+21
n4
1.8473943265718E+29
n5
3.8300064640038E+36
2 √n
4553.2337958862
3 √n
274.71347788523
4 √n
67.477654048479
5 √n
29.062166079625
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
-20731937
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 20731938 can be divided by 8 positive divisors.
The sum of these divisors (counting 20731938) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001111000101100000100010
3
Ternary
1110000021212120
4
Quaternary
1033011200202
5
Quinary
20301410223
6
Senary
2020205110
8
Octal
117054042
10
Decimal
20731938
12
Duodecimal
6b39796
16
Hexadecimal
13c5822
20
Vigesimal
69b9gi
36
Base36
cccv6
md5
5cb37c03a88c36fc651976b03cc0d975
sha1
9b1f65645d65b8a0d062477885f15efc03e93443
sha256
8777796c1b417ab3bbc6f87c4638a7bcd4eb3e315e16a0b424abe038da905323
sha512
56e7b330796916773968313e0d99c8bad6a6ceba46087f8a89749d393754d2269aaf6bff0139d9ebd5c7de59d4d94fef3db7cc6ea65bb0079fb128bf5ed05d02
ripemd-160
f9b70366256c77cb6ad443ccfe8270e05c31e558
Diameter
41463876
Circumference
130262608.23096
Area
1.3502981587813E+15
Volume
3.7325730279156E+22
Surface area
5.401192635125E+15
Circumference
130262608.23096
Perimeter
82927752
Area
429813253235844
Diagonal
29319387.893878
Surface area
2578879519415064
Volume
8.9108617176638E+21
Space diagonal
35908769.955368
Perimeter
62195814
Area
1.8611459809274E+14
Altitude
17954384.977684
Surface area
1.8611459809274E+14
Volume
1.0501551244626E+21
Height
9773129.2979594