20138215 is an odd 8-digits composite number following 20138214
and preceding 20138216 . In scientific notation, it is written as 2.0138215 × 10^7.
The sum of its digits is 22. It has a total of 2 prime factors and 4 positive divisors.
There are 16110568 positive integers (up to 20138215) that are relatively prime to 20138215.
20138215 has 4 divisors, whose sum is 24165864
The reverse of 20138215 is 51283102
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty million one hundred thirty-eight thousand two hundred fifteen
Scientific notation
2.0138215 × 10^7
Engineering notation
2.0138215 × 10^6
Prime Factorization
5 × 4027643
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20138215
Product of the distinct prime numbers
The prime factorization of 20138215 is 5 × 4027643.
Since it has a total of 2 prime factors.
7 , 2 , 73 , 75 , 486 , 788 , 5430 , 269 , 10198 , 6499 , 270129 , 576416 , 4100771 , 5609925 , 60180281 , 61757503 , 178970330 , 132522539 , 8296713272 , 2368472583
n×2
40276430
n×3
60414645
n×4
80552860
n×5
100691075
n÷2
10069107.5
n÷3
6712738.3333333
n÷3
5034553.75
n÷5
4027643
n2
405547703386225
n3
8.167006843548E+21
n4
1.6446893972184E+29
n5
3.3121108689405E+36
2 √n
4487.5622558356
3 √n
272.06561547775
4 √n
66.989269706689
5 √n
28.893768884742
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20138214
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20138215 can be divided by 4 positive divisors.
The sum of these divisors (counting 20138215) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110100100011100111
3
Ternary
1101220010102211
4
Quaternary
1030310203213
5
Quinary
20123410330
6
Senary
1555344251
8
Octal
114644347
10
Decimal
20138215
12
Duodecimal
68b2087
16
Hexadecimal
13348e7
20
Vigesimal
65h5af
36
Base36
bzmqv
md5
bcc2a2903f3c35b2c9d52348485b292b
sha1
28484e3bc0c3aa3cf3e9364ac222b28d2d041075
sha256
ee1c75170accb6e255fa70eff7d05d2e454a176a5652cdf16a8fd9716ad1bfee
sha512
83b5a41038ad6ae04bc38af1dfcdded5bec6f64ad8264f66db3c88ffba960ca14ed6b9e167252ad01e8601ab0c6e1eef8762b1a8fe266dbca11664235930eb58
ripemd-160
3c7f2a12819ca8934ce1dd862851eeb4ac2d78bf
Diameter
40276430
Circumference
126532136.60082
Area
1.2740656856384E+15
Volume
3.4209878268677E+22
Surface area
5.0962627425535E+15
Circumference
126532136.60082
Perimeter
80552860
Area
405547703386225
Diagonal
28479736.774985
Surface area
2433286220317350
Volume
8.167006843548E+21
Space diagonal
34880411.553746
Perimeter
60414645
Area
1.7560730678945E+14
Altitude
17440205.776873
Surface area
1.7560730678945E+14
Volume
9.6249098684496E+20
Height
9493245.5916618