20125915 is an odd 8-digits composite number following 20125914
and preceding 20125916 . In scientific notation, it is written as 2.0125915 × 10^7.
The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors.
There are 16058592 positive integers (up to 20125915) that are relatively prime to 20125915.
20125915 has 8 divisors, whose sum is 24214320
The reverse of 20125915 is 51952102
Previous prime number is 10139
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million one hundred twenty-five thousand nine hundred fifteen
Scientific notation
2.0125915 × 10^7
Engineering notation
2.0125915 × 10^6
Prime Factorization
5 × 10139 × 397
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20125915
Product of the distinct prime numbers
The prime factorization of 20125915 is 5 × 10139 × 397.
Since it has a total of 3 prime factors.
8 , 1 , 94 , 25 , 502 , 898 , 251 , 6668 , 73026 , 72825 , 647413 , 550095 , 72864 , 3354727 , 55886225 , 29285827 , 622860609 , 543280257 , 8322764858 , 7476886628
n×2
40251830
n×3
60377745
n×4
80503660
n×5
100629575
n÷2
10062957.5
n÷3
6708638.3333333
n÷3
5031478.75
n÷5
4025183
n2
405052454587225
n3
8.1520512715639E+21
n4
1.6406749096714E+29
n5
3.3020083774678E+36
2 √n
4486.1915919853
3 √n
272.01021353661
4 √n
66.97903845223
5 √n
28.890238480326
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
-20125914
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 20125915 can be divided by 8 positive divisors.
The sum of these divisors (counting 20125915) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110001100011011011
3
Ternary
1101212111120021
4
Quaternary
1030301203123
5
Quinary
20123012130
6
Senary
1555211311
8
Octal
114614333
10
Decimal
20125915
12
Duodecimal
68a6b37
16
Hexadecimal
13318db
20
Vigesimal
65feff
36
Base36
bzd97
md5
3c9061b2609933bfa67e00343fd76eee
sha1
d3425e99f2e739033ddbdc579ab9ffaa24aed5e0
sha256
17d22a517581fe7c078d660c5075e87647bff9e3b8c2f7925b51fb555fc3d9d4
sha512
2e7be660923e026237d5a6149222dba3fcbfd170eaf6dc786c0639016442eaa059e86d0655d6ee8854d2d781fe1024a5f665986c2b7907513f6b7b528240209a
ripemd-160
33a659f875c7969d8119649a5632250d16c85449
Diameter
40251830
Circumference
126454853.42155
Area
1.2725098156497E+15
Volume
3.4147232515243E+22
Surface area
5.090039262599E+15
Circumference
126454853.42155
Perimeter
80503660
Area
405052454587225
Diagonal
28462341.948168
Surface area
2430314727523350
Volume
8.1520512715639E+21
Space diagonal
34859107.328813
Perimeter
60377745
Area
1.7539285776889E+14
Altitude
17429553.664406
Surface area
1.7539285776889E+14
Volume
9.6072845578387E+20
Height
9487447.316056