20129138 is an even 8-digits composite number following 20129137
and preceding 20129139 . In scientific notation, it is written as 2.0129138 × 10^7.
The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors.
There are 10064568 positive integers (up to 20129138) that are relatively prime to 20129138.
20129138 has 4 divisors, whose sum is 30193710
The reverse of 20129138 is 83192102
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty million one hundred twenty-nine thousand one hundred thirty-eight
Scientific notation
2.0129138 × 10^7
Engineering notation
2.0129138 × 10^6
Prime Factorization
2 × 10064569
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20129138
Product of the distinct prime numbers
The prime factorization of 20129138 is 2 × 10064569.
Since it has a total of 2 prime factors.
6 , 10 , 97 , 3 , 179 , 801 , 737 , 7259 , 33900 , 33013 , 891986 , 811040 , 7417287 , 112944 , 91295262 , 94166145 , 288515430 , 55966964 , 3207002546 , 1754372661
n×2
40258276
n×3
60387414
n×4
80516552
n×5
100645690
n÷2
10064569
n÷3
6709712.6666667
n÷3
5032284.5
n÷5
4025827.6
n2
405182196623044
n3
8.1559683509684E+21
n4
1.6417261246028E+29
n5
3.3046531720334E+36
2 √n
4486.5507909752
3 √n
272.02473282884
4 √n
66.981719826944
5 √n
28.891163727945
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
-20129137
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 20129138 can be divided by 4 positive divisors.
The sum of these divisors (counting 20129138) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110010010101110010
3
Ternary
1101212122222122
4
Quaternary
1030302111302
5
Quinary
20123113023
6
Senary
1555234242
8
Octal
114622562
10
Decimal
20129138
12
Duodecimal
68a8982
16
Hexadecimal
1332572
20
Vigesimal
65g2gi
36
Base36
bzfqq
md5
00fa817aec9e24444d46eb0ad5b61542
sha1
98786345d5213a76d49debed10b477a9584fa475
sha256
3cb974b5cadb63604f68f0ab5247ac225222634aae124708929c98751ecf9147
sha512
8561fd12225fdd79c4f2d1b292ae57d6fb931e1cdee28d1615fa7a27cb262aff96ec723f5e1067ed0220ed00203d3670302db45a93dfc37cbccbcbb788186323
ripemd-160
4942ee0aa13dc1a09322227b7fe270a3b8e3351d
Diameter
40258276
Circumference
126475104.12779
Area
1.2729174122763E+15
Volume
3.4163640339084E+22
Surface area
5.0916696491053E+15
Circumference
126475104.12779
Perimeter
80516552
Area
405182196623044
Diagonal
28466899.95848
Surface area
2431093179738264
Volume
8.1559683509684E+21
Space diagonal
34864689.728565
Perimeter
60387414
Area
1.7544903771837E+14
Altitude
17432344.864283
Surface area
1.7544903771837E+14
Volume
9.6119008801877E+20
Height
9488966.6528265