20138418 is an even 8-digits composite number following 20138417
and preceding 20138419 . In scientific notation, it is written as 2.0138418 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 6602400 positive integers (up to 20138418) that are relatively prime to 20138418.
20138418 has 16 divisors, whose sum is 34116120
The reverse of 20138418 is 81483102
Previous prime number is 61
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million one hundred thirty-eight thousand four hundred eighteen
Scientific notation
2.0138418 × 10^7
Engineering notation
2.0138418 × 10^6
Prime Factorization
2 × 9 × 61 × 18341
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20138418
Product of the distinct prime numbers
The prime factorization of 20138418 is 2 × 9 × 61 × 18341.
Since it has a total of 4 prime factors.
9 , 3 , 6 , 97 , 938 , 138 , 6740 , 9172 , 85243 , 36988 , 571685 , 211166 , 9982772 , 5936298 , 78402445 , 17002237 , 247965186 , 872793725 , 202137686 , 3369147721
n×2
40276836
n×3
60415254
n×4
80553672
n×5
100692090
n÷2
10069209
n÷3
6712806
n÷3
5034604.5
n÷5
4027683.6
n2
405555879542724
n3
8.167253824589E+21
n4
1.6447557143167E+29
n5
3.3122778082799E+36
2 √n
4487.5848738492
3 √n
272.06652964574
4 √n
66.98943852466
5 √n
28.893827136294
1 , 2 , 9 , 18 , 61 , 122 , 549 , 1098 , 18341 , 36682 , 165069 , 330138 , 1118801 , 2237602 , 10069209 , 20138418
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
-20138417
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 20138418 can be divided by 16 positive divisors.
The sum of these divisors (counting 20138418) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110100100110110010
3
Ternary
1101220010201100
4
Quaternary
1030310212302
5
Quinary
20123412133
6
Senary
1555345230
8
Octal
114644662
10
Decimal
20138418
12
Duodecimal
68b2216
16
Hexadecimal
13349b2
20
Vigesimal
65h60i
36
Base36
bzmwi
md5
0313a593a2713679748a6f9e2acd863d
sha1
2a6f58fbe76db3885b1945a29e854f7adbe60c2d
sha256
33d91e1347f25da8e591d3808c10a54c80f65bf254ae50bc9dbd40877619f0c6
sha512
ad496e117323c546fc3ab9175d68547a9898eec51a06bd0e1ed7aacd01384e27d4565a6397412a2bfca1df79692b474e24c66d3a39d748deb411044630addbff
ripemd-160
a86de56cff8852aa0cea78b5681d9136bd8c9c70
Diameter
40276836
Circumference
126533412.08744
Area
1.2740913717916E+15
Volume
3.4210912820443E+22
Surface area
5.0963654871663E+15
Circumference
126533412.08744
Perimeter
80553672
Area
405555879542724
Diagonal
28480023.860338
Surface area
2433335277256344
Volume
8.167253824589E+21
Space diagonal
34880763.16006
Perimeter
60415254
Area
1.7561084716907E+14
Altitude
17440381.58003
Surface area
1.7561084716907E+14
Volume
9.6252009383978E+20
Height
9493341.2867795