20138218 is an even 8-digits composite number following 20138217
and preceding 20138219 . In scientific notation, it is written as 2.0138218 × 10^7.
The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors.
There are 9931104 positive integers (up to 20138218) that are relatively prime to 20138218.
20138218 has 8 divisors, whose sum is 30621348
The reverse of 20138218 is 81283102
Previous prime number is 73
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million one hundred thirty-eight thousand two hundred eighteen
Scientific notation
2.0138218 × 10^7
Engineering notation
2.0138218 × 10^6
Prime Factorization
2 × 73 × 137933
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20138218
Product of the distinct prime numbers
The prime factorization of 20138218 is 2 × 73 × 137933.
Since it has a total of 3 prime factors.
4 , 9 , 25 , 17 , 977 , 753 , 7215 , 5524 , 54398 , 65036 , 177166 , 857269 , 6512715 , 22547 , 45187744 , 72619160 , 552745565 , 992510822 , 805944900 , 4103230949
n×2
40276436
n×3
60414654
n×4
80552872
n×5
100691090
n÷2
10069109
n÷3
6712739.3333333
n÷3
5034554.5
n÷5
4027643.6
n2
405547824215524
n3
8.1670104934779E+21
n4
1.6446903772595E+29
n5
3.3121133359753E+36
2 √n
4487.5625900928
3 √n
272.06562898767
4 √n
66.989272201545
5 √n
28.893769745605
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
-20138217
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 20138218 can be divided by 8 positive divisors.
The sum of these divisors (counting 20138218) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110100100011101010
3
Ternary
1101220010102221
4
Quaternary
1030310203222
5
Quinary
20123410333
6
Senary
1555344254
8
Octal
114644352
10
Decimal
20138218
12
Duodecimal
68b208a
16
Hexadecimal
13348ea
20
Vigesimal
65h5ai
36
Base36
bzmqy
md5
10a462c140331d9ef682b04d9151f4e7
sha1
0a3f5fc57222304488e2502884943a74c2b080f0
sha256
b8541470caa1cae047ed43fc97e4bd330ba57a628eef7b86d3912b2ecdba19fe
sha512
4303a26c2fbd3c0f2223a55935fe3f1143ab70813a86b65e44ee86d8e2d2f18afd6509fba7c388016f5c8bf50beec20f6ea81546d14f372aedac0c36e99d2af7
ripemd-160
3d399ec52651a27b221494d66a22082f43ff8b34
Diameter
40276436
Circumference
126532155.45038
Area
1.2740660652348E+15
Volume
3.4209893557468E+22
Surface area
5.0962642609393E+15
Circumference
126532155.45038
Perimeter
80552872
Area
405547824215524
Diagonal
28479741.017626
Surface area
2433286945293144
Volume
8.1670104934779E+21
Space diagonal
34880416.749898
Perimeter
60414654
Area
1.7560735911007E+14
Altitude
17440208.374949
Surface area
1.7560735911007E+14
Volume
9.6249141699332E+20
Height
9493247.0058753