20215438 is an even 8-digits composite number following 20215437
and preceding 20215439 . In scientific notation, it is written as 2.0215438 × 10^7.
The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors.
There are 10092600 positive integers (up to 20215438) that are relatively prime to 20215438.
20215438 has 8 divisors, whose sum is 30368520
The reverse of 20215438 is 83451202
Previous prime number is 701
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million two hundred fifteen thousand four hundred thirty-eight
Scientific notation
2.0215438 × 10^7
Engineering notation
2.0215438 × 10^6
Prime Factorization
2 × 701 × 14419
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20215438
Product of the distinct prime numbers
The prime factorization of 20215438 is 2 × 701 × 14419.
Since it has a total of 3 prime factors.
1 , 5 , 59 , 78 , 568 , 626 , 9196 , 6851 , 94412 , 60472 , 85365 , 556060 , 3431357 , 2827549 , 31007833 , 52879038 , 418785873 , 512844180 , 3948070301 , 3210138139
n×2
40430876
n×3
60646314
n×4
80861752
n×5
101077190
n÷2
10107719
n÷3
6738479.3333333
n÷3
5053859.5
n÷5
4043087.6
n2
408663933531844
n3
8.2613204111491E+21
n4
1.6700621056972E+29
n5
3.3761036953871E+36
2 √n
4496.1581377883
3 √n
272.41293068772
4 √n
67.053397660285
5 √n
28.915894469579
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
-20215437
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 20215438 can be divided by 8 positive divisors.
The sum of these divisors (counting 20215438) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101000111011010001110
3
Ternary
1102001001100221
4
Quaternary
1031013122032
5
Quinary
20133343223
6
Senary
2001141554
8
Octal
115073216
10
Decimal
20215438
12
Duodecimal
692a8ba
16
Hexadecimal
134768e
20
Vigesimal
666ibi
36
Base36
c1aby
md5
832cb23802759868a4412061124fd127
sha1
174ccc6c11da579482ed385c03589992cb3df760
sha256
30c0083fe46027fade1ec4cbbc99d82dac0baea5c3eb0909c244ea1f2a39d148
sha512
d0e3f0e5251c4c9597424ec8b1849bb062e5a3ddedd98a54fc809e4c0fa63e29405a1f2b4d19280437cf4b9c0da40fa45d664821ebacd0148bb861bdd69a48bb
ripemd-160
913e91cdb2f6bd278fe5da3f46527d130b1f744d
Diameter
40430876
Circumference
127017343.0198
Area
1.2838556113707E+15
Volume
3.4604938016823E+22
Surface area
5.135422445483E+15
Circumference
127017343.0198
Perimeter
80861752
Area
408663933531844
Diagonal
28588946.588912
Surface area
2451983601191064
Volume
8.2613204111491E+21
Space diagonal
35014165.713259
Perimeter
60646314
Area
1.7695667402453E+14
Altitude
17507082.856629
Surface area
1.7695667402453E+14
Volume
9.7360594737973E+20
Height
9529648.8629708