20129139 is an odd 8-digits composite number following 20129138
and preceding 20129140 . In scientific notation, it is written as 2.0129139 × 10^7.
The sum of its digits is 27. It has a total of 6 prime factors and 36 positive divisors.
There are 12337920 positive integers (up to 20129139) that are relatively prime to 20129139.
20129139 has 36 divisors, whose sum is 31608720
The reverse of 20129139 is 93192102
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million one hundred twenty-nine thousand one hundred thirty-nine
Scientific notation
2.0129139 × 10^7
Engineering notation
2.0129139 × 10^6
Prime Factorization
3 × 3 × 17 × 109 × 17 × 71
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
394689
Product of the distinct prime numbers
The prime factorization of 20129139 is 3 × 3 × 17 × 109 × 17 × 71.
Since it has a total of 6 prime factors.
2 , 3 , 34 , 23 , 434 , 852 , 2547 , 5418 , 55634 , 10490 , 967060 , 659505 , 7310936 , 731908 , 33241411 , 9730221 , 230210021 , 448929786 , 1821319888 , 6697374438
n×2
40258278
n×3
60387417
n×4
80516556
n×5
100645695
n÷2
10064569.5
n÷3
6709713
n÷3
5032284.75
n÷5
4025827.8
n2
405182236881321
n3
8.155969566515E+21
n4
1.6417264508415E+29
n5
3.3046539928965E+36
2 √n
4486.5509024194
3 √n
272.0247373335
4 √n
66.981720658844
5 √n
28.891164015003
1 , 3 , 9 , 17 , 51 , 71 , 109 , 153 , 213 , 289 , 327 , 639 , 867 , 981 , 1207 , 1853 , 2601 , 3621 , 5559 , 7739 , 10863 , 16677 , 20519 , 23217 , 31501 , 61557 , 69651 , 94503 , 131563 , 184671 , 283509 , 394689 , 1184067 , 2236571 , 6709713 , 20129139
36 divisors
τ
Total Divisors
36
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20129138
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.027777777777778
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
36
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20129139 can be divided by 36 positive divisors.
The sum of these divisors (counting 20129139) is 1, the average is 0.027777777777778.
Base
System
Value
2
Binary
1001100110010010101110011
3
Ternary
1101212122222200
4
Quaternary
1030302111303
5
Quinary
20123113024
6
Senary
1555234243
8
Octal
114622563
10
Decimal
20129139
12
Duodecimal
68a8983
16
Hexadecimal
1332573
20
Vigesimal
65g2gj
36
Base36
bzfqr
md5
436bf6b3d99c0dcd925ae7b341250936
sha1
083a8945e47a2d6cb489ac597d1714db6d75889a
sha256
af3cc3104997e5130bb77583530b57498a4634d0ff388e0bfa5e035f819e13b6
sha512
8a867df7d2968fa1861a0ff95a1ebc5655ea4d37ae1d619f534e8d3d4b04e9d5f84cdf4df159136fcb958392b5a489ccf5eee48fc14860227224bfdc5ffa6edf
ripemd-160
d251f22d9a7cb748eafbce22e5ce60ab86019103
Diameter
40258278
Circumference
126475110.41098
Area
1.2729175387514E+15
Volume
3.4163645430754E+22
Surface area
5.0916701550058E+15
Circumference
126475110.41098
Perimeter
80516556
Area
405182236881321
Diagonal
28466901.372693
Surface area
2431093421287926
Volume
8.155969566515E+21
Space diagonal
34864691.460616
Perimeter
60387417
Area
1.7544905515071E+14
Altitude
17432345.730308
Surface area
1.7544905515071E+14
Volume
9.6119023127231E+20
Height
9488967.1242311