20138430 is an even 8-digits composite number following 20138429
and preceding 20138431 . In scientific notation, it is written as 2.0138430 × 10^7.
The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors.
There are 4957056 positive integers (up to 20138430) that are relatively prime to 20138430.
20138430 has 16 divisors, whose sum is 40897296
The reverse of 20138430 is 03483102
Previous prime number is 65
Is Prime? no
Number parity even
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty million one hundred thirty-eight thousand four hundred thirty
Scientific notation
2.0138430 × 10^7
Engineering notation
2.0138430 × 10^6
Prime Factorization
2 × 3 × 65 × 51637
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20138430
Product of the distinct prime numbers
The prime factorization of 20138430 is 2 × 3 × 65 × 51637.
Since it has a total of 4 prime factors.
7 , 7 , 71 , 67 , 608 , 790 , 3779 , 9453 , 74887 , 61812 , 713280 , 842506 , 8051548 , 6329072 , 48104808 , 85775581 , 895270733 , 373724149 , 1797449510 , 8024092837
n×2
40276860
n×3
60415290
n×4
80553720
n×5
100692150
n÷2
10069215
n÷3
6712810
n÷3
5034607.5
n÷5
4027686
n2
405556362864900
n3
8.1672684246094E+21
n4
1.6447596346021E+29
n5
3.3122876768259E+36
2 √n
4487.5862108711
3 √n
272.06658368504
4 √n
66.989448504007
5 √n
28.893830579721
1 , 2 , 3 , 6 , 65 , 130 , 195 , 390 , 51637 , 103274 , 154911 , 309822 , 3356405 , 6712810 , 10069215 , 20138430
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
-20138429
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 20138430 can be divided by 16 positive divisors.
The sum of these divisors (counting 20138430) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110100100110111110
3
Ternary
1101220010201210
4
Quaternary
1030310212332
5
Quinary
20123412210
6
Senary
1555345250
8
Octal
114644676
10
Decimal
20138430
12
Duodecimal
68b2226
16
Hexadecimal
13349be
20
Vigesimal
65h61a
36
Base36
bzmwu
md5
d7c607af63f26fd14a7ea247d194dc76
sha1
d43cfb8be56e58399584912e1a3ebca92b3a6235
sha256
0a658845c5d08dc5c967470fbc042fe76709b497cebd40dc5618854e5e87def1
sha512
74ef0e6c08ce6f7552a8f93137215531d34f61679192897b9ff1b6080b30ee329fb62cd489aff26320cf91abfc0688e6617d56d5373750d577e9f4725f72940d
ripemd-160
44d37c2c0dbdd3fd288a797863cd2af115d0d75d
Diameter
40276860
Circumference
126533487.48566
Area
1.274092890193E+15
Volume
3.4210973976865E+22
Surface area
5.0963715607719E+15
Circumference
126533487.48566
Perimeter
80553720
Area
405556362864900
Diagonal
28480040.830901
Surface area
2433338177189400
Volume
8.1672684246094E+21
Space diagonal
34880783.944669
Perimeter
60415290
Area
1.7561105645371E+14
Altitude
17440391.972335
Surface area
1.7561105645371E+14
Volume
9.6252181446868E+20
Height
9493346.9436337