20129875 is an odd 8-digits composite number following 20129874
and preceding 20129876 . In scientific notation, it is written as 2.0129875 × 10^7.
The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors.
There are 16103800 positive integers (up to 20129875) that are relatively prime to 20129875.
20129875 has 8 divisors, whose sum is 25122240
The reverse of 20129875 is 57892102
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty million one hundred twenty-nine thousand eight hundred seventy-five
Scientific notation
2.0129875 × 10^7
Engineering notation
2.0129875 × 10^6
Prime Factorization
25 × 5 × 161039
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20129875
Product of the distinct prime numbers
The prime factorization of 20129875 is 25 × 5 × 161039.
Since it has a total of 3 prime factors.
7 , 9 , 48 , 86 , 496 , 751 , 8927 , 8380 , 33193 , 85907 , 925344 , 233825 , 7972479 , 6969181 , 64825089 , 90611694 , 664838931 , 195866783 , 6670827579 , 895472525
n×2
40259750
n×3
60389625
n×4
80519500
n×5
100649375
n÷2
10064937.5
n÷3
6709958.3333333
n÷3
5032468.75
n÷5
4025975
n2
405211867515625
n3
8.1568642416061E+21
n4
1.641966575755E+29
n5
3.3052581924126E+36
2 √n
4486.6329245883
3 √n
272.02805272231
4 √n
66.982332928828
5 √n
28.891375286689
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
-20129874
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 20129875 can be divided by 8 positive divisors.
The sum of these divisors (counting 20129875) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110010100001010011
3
Ternary
1101212200222221
4
Quaternary
1030302201103
5
Quinary
20123124000
6
Senary
1555241511
8
Octal
114624123
10
Decimal
20129875
12
Duodecimal
68a9297
16
Hexadecimal
1332853
20
Vigesimal
65g4df
36
Base36
bzgb7
md5
b63e04a2caaf59637162a33e3695b537
sha1
f22435046ce306063fe13ca955f2c82aa000d3f4
sha256
4d94f48e6870867ed790401f31f71005491c70a50d0b2498ecef0f8505adfb99
sha512
f0cc2b2a7e349dc4d729f1e6bd87cbd9a6a27b47786f321a808afdfcb2b509fc9d9e979926744d3bf51f214f1fda7458df41b4b7bc12aebaf0bc2ba0f806c200
ripemd-160
d8d106fc61e29cb54596e77e716b0900f2d58a01
Diameter
40259750
Circumference
126479734.83536
Area
1.2730106261345E+15
Volume
3.4167393037012E+22
Surface area
5.092042504538E+15
Circumference
126479734.83536
Perimeter
80519500
Area
405211867515625
Diagonal
28467942.233875
Surface area
2431271205093750
Volume
8.1568642416061E+21
Space diagonal
34865966.250011
Perimeter
60389625
Area
1.7546188559173E+14
Altitude
17432983.125005
Surface area
1.7546188559173E+14
Volume
9.6129566974296E+20
Height
9489314.0779584