20972942 is an even 8-digits composite number following 20972941
and preceding 20972943 . In scientific notation, it is written as 2.0972942 × 10^7.
The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors.
There are 10415944 positive integers (up to 20972942) that are relatively prime to 20972942.
20972942 has 8 divisors, whose sum is 31671000
The reverse of 20972942 is 24927902
Previous prime number is 149
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty million nine hundred seventy-two thousand nine hundred forty-two
Scientific notation
2.0972942 × 10^7
Engineering notation
2.0972942 × 10^6
Prime Factorization
2 × 149 × 70379
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20972942
Product of the distinct prime numbers
The prime factorization of 20972942 is 2 × 149 × 70379.
Since it has a total of 3 prime factors.
10 , 4 , 58 , 20 , 682 , 59 , 8734 , 1812 , 47412 , 98777 , 244206 , 343401 , 3937942 , 7734304 , 41261489 , 79471523 , 768254486 , 583551589 , 7862622800 , 8928742887
n×2
41945884
n×3
62918826
n×4
83891768
n×5
104864710
n÷2
10486471
n÷3
6990980.6666667
n÷3
5243235.5
n÷5
4194588.4
n2
439864296135364
n3
9.2252483707178E+21
n4
1.9348059901466E+29
n5
4.0578573812597E+36
2 √n
4579.6224735233
3 √n
275.77387310584
4 √n
67.672907973009
5 √n
29.129422263689
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
-20972941
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 20972942 can be divided by 8 positive divisors.
The sum of these divisors (counting 20972942) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000000000010110001110
3
Ternary
1110110112110122
4
Quaternary
1100000112032
5
Quinary
20332113232
6
Senary
2025304542
8
Octal
120002616
10
Decimal
20972942
12
Duodecimal
7035152
16
Hexadecimal
140058e
20
Vigesimal
6b1c72
36
Base36
chitq
md5
186a0549883d583eec1b5bf31de47616
sha1
08628c995deb299c99e1e101b402a71e9e82098f
sha256
68d4a64da77ddba661e9680aed3f1edeb90620705b852c5ec75daf3d128a3660
sha512
37aa156e2471ff43a3255d0046d39b5484a99c2a26c19cd51a9b44fdaa6c3f265b6fe7cfe600a7fe9be3c8c50befcd6b1e4141463288a5fdcf50af7f5b240853
ripemd-160
ba6a3b916a14f522ad30488fff0afa7600fd042f
Diameter
41945884
Circumference
131776881.02273
Area
1.3818744413153E+15
Volume
3.8642630011984E+22
Surface area
5.5274977652612E+15
Circumference
131776881.02273
Perimeter
83891768
Area
439864296135364
Diagonal
29660219.019264
Surface area
2639185776812184
Volume
9.2252483707178E+21
Space diagonal
36326201.128195
Perimeter
62918826
Area
1.9046682733549E+14
Altitude
18163100.564098
Surface area
1.9046682733549E+14
Volume
1.0872059468441E+21
Height
9886739.6730881