20215938 is an even 8-digits composite number following 20215937
and preceding 20215939 . In scientific notation, it is written as 2.0215938 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 6675456 positive integers (up to 20215938) that are relatively prime to 20215938.
20215938 has 16 divisors, whose sum is 40811040
The reverse of 20215938 is 83951202
Previous prime number is 107
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million two hundred fifteen thousand nine hundred thirty-eight
Scientific notation
2.0215938 × 10^7
Engineering notation
2.0215938 × 10^6
Prime Factorization
2 × 3 × 107 × 31489
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20215938
Product of the distinct prime numbers
The prime factorization of 20215938 is 2 × 3 × 107 × 31489.
Since it has a total of 4 prime factors.
2 , 8 , 96 , 53 , 212 , 301 , 356 , 6991 , 94750 , 46113 , 787178 , 291134 , 262044 , 5019882 , 64883321 , 22801677 , 469333873 , 704684330 , 2595413966 , 4084441524
n×2
40431876
n×3
60647814
n×4
80863752
n×5
101079690
n÷2
10107969
n÷3
6738646
n÷3
5053984.5
n÷5
4043187.6
n2
408684149219844
n3
8.2619334222111E+21
n4
1.6702273382355E+29
n5
3.3765212315673E+36
2 √n
4496.213740471
3 √n
272.41517658418
4 √n
67.053812273956
5 √n
28.916037506838
1 , 2 , 3 , 6 , 107 , 214 , 321 , 642 , 31489 , 62978 , 94467 , 188934 , 3369323 , 6738646 , 10107969 , 20215938
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20215937
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20215938 can be divided by 16 positive divisors.
The sum of these divisors (counting 20215938) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101000111100010000010
3
Ternary
1102001002001110
4
Quaternary
1031013202002
5
Quinary
20133402223
6
Senary
2001144150
8
Octal
115074202
10
Decimal
20215938
12
Duodecimal
692b056
16
Hexadecimal
1347882
20
Vigesimal
666jgi
36
Base36
c1apu
md5
87d30b4eddec16cb44329f76b0fc45a4
sha1
775dc9fff6750c428871e44cbf4f0601c2cd7c7f
sha256
aeb9a07b1e55112a338ebf243b007a9bc359bc573bf5d716709f175884a505b2
sha512
4e8b463e0360d955b3d87ec994ce3660a66468b90852984888eb3457d7275f47835ac850ced52f07bfa0e5cd832c1e63b6063014f2a34f878d6500fd48ba8e7a
ripemd-160
8c4e651201a6b343c729f28044bd9063b86b9de0
Diameter
40431876
Circumference
127020484.61245
Area
1.2839191208277E+15
Volume
3.4607505791555E+22
Surface area
5.1356764833106E+15
Circumference
127020484.61245
Perimeter
80863752
Area
408684149219844
Diagonal
28589653.695694
Surface area
2452104895319064
Volume
8.2619334222111E+21
Space diagonal
35015031.738662
Perimeter
60647814
Area
1.7696542767421E+14
Altitude
17507515.869331
Surface area
1.7696542767421E+14
Volume
9.7367819142621E+20
Height
9529884.5652312