20125915 (number)

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.

Interesting facts

Basic properties

Name

Name twenty million one hundred twenty-five thousand nine hundred fifteen

Notation

Scientific notation 2.0125915 × 10^7
Engineering notation 2.0125915 × 10^6

Prime Factorization of 20125915

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.

Most popular turbo-numbers

Basic calculations (n = 20125915)

Multiplication

n×y
n×2 40251830
n×3 60377745
n×4 80503660
n×5 100629575

Division

n÷y
n÷2 10062957.5
n÷3 6708638.3333333
n÷3 5031478.75
n÷5 4025183

Exponentiation

ny
n2 405052454587225
n3 8.1520512715639E+21
n4 1.6406749096714E+29
n5 3.3020083774678E+36

Nth Root

y√n
2√n 4486.1915919853
3√n 272.01021353661
4√n 66.97903845223
5√n 28.890238480326

Divisors of 20125915

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 conversion 20125915

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

Cryptographic Hash Functions

md5 3c9061b2609933bfa67e00343fd76eee
sha1 d3425e99f2e739033ddbdc579ab9ffaa24aed5e0
sha256 17d22a517581fe7c078d660c5075e87647bff9e3b8c2f7925b51fb555fc3d9d4
sha512 2e7be660923e026237d5a6149222dba3fcbfd170eaf6dc786c0639016442eaa059e86d0655d6ee8854d2d781fe1024a5f665986c2b7907513f6b7b528240209a
ripemd-160 33a659f875c7969d8119649a5632250d16c85449

20125915 as geometric shapes

Circle

Radius = n
Diameter 40251830
Circumference 126454853.42155
Area 1.2725098156497E+15

Sphere

Radius = n
Volume 3.4147232515243E+22
Surface area 5.090039262599E+15
Circumference 126454853.42155

Square

Length = n
Perimeter 80503660
Area 405052454587225
Diagonal 28462341.948168

Cube

Length = n
Surface area 2430314727523350
Volume 8.1520512715639E+21
Space diagonal 34859107.328813

Equilateral Triangle

Length = n
Perimeter 60377745
Area 1.7539285776889E+14
Altitude 17429553.664406

Triangular Pyramid

Length = n
Surface area 1.7539285776889E+14
Volume 9.6072845578387E+20
Height 9487447.316056