20515142 (number)

20515142 is an even 8-digits composite number following 20515141 and preceding 20515143. In scientific notation, it is written as 2.0515142 × 10^7. The sum of its digits is 20. It has a total of 3 prime factors and 8 positive divisors. There are 10251000 positive integers (up to 20515142) that are relatively prime to 20515142.

Interesting facts

Basic properties

Name

Name twenty million five hundred fifteen thousand one hundred forty-two

Notation

Scientific notation 2.0515142 × 10^7
Engineering notation 2.0515142 × 10^6

Prime Factorization of 20515142

Prime Factorization 2 × 2551 × 4021

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20515142
Product of the distinct prime numbers

The prime factorization of 20515142 is 2 × 2551 × 4021. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20515142)

Multiplication

n×y
n×2 41030284
n×3 61545426
n×4 82060568
n×5 102575710

Division

n÷y
n÷2 10257571
n÷3 6838380.6666667
n÷3 5128785.5
n÷5 4103028.4

Exponentiation

ny
n2 420871051280164
n3 8.6342293807018E+21
n4 1.7713244180567E+29
n5 3.6338971964501E+36

Nth Root

y√n
2√n 4529.364414573
3√n 273.75255156327
4√n 67.300552854884
5√n 29.001129024844

Divisors of 20515142

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 -20515141
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 20515142 can be divided by 8 positive divisors. The sum of these divisors (counting 20515142) is 1, the average is 0.125.

Base conversion 20515142

Base System Value
2 Binary 1001110010000100101000110
3 Ternary 1102121021111002
4 Quaternary 1032100211012
5 Quinary 20222441032
6 Senary 2011413302
8 Octal 116204506
10 Decimal 20515142
12 Duodecimal 6a54232
16 Hexadecimal 1390946
20 Vigesimal 6847h2
36 Base36 c7pl2

Cryptographic Hash Functions

md5 3f09f9d2b1de2b69e774f48b60ea3a46
sha1 08e8402d6cefaa1ab7077ce0c5c2bdf0f94b8699
sha256 0ccd7cc55b7579b4f03b2935cf4f98f0ab0f055de2359bbc449422f7a04206f1
sha512 b5f123f6ac2bc43860af61fd20b963833ffb0f2f6cb2fd2540e86a08d923730645a4d83ca89797b90198ae9c21adc0bf66d030825e762ba28afea08e84860a2e
ripemd-160 1215e6722bf3bfcefd11210a230f1d50b215e487

20515142 as geometric shapes

Circle

Radius = n
Diameter 41030284
Circumference 128900438.7891
Area 1.3222054028104E+15

Sphere

Radius = n
Volume 3.6166975455763E+22
Surface area 5.2888216112415E+15
Circumference 128900438.7891

Square

Length = n
Perimeter 82060568
Area 420871051280164
Diagonal 29012792.05041

Cube

Length = n
Surface area 2525226307680984
Volume 8.6342293807018E+21
Space diagonal 35533268.26849

Equilateral Triangle

Length = n
Perimeter 61545426
Area 1.8224251106304E+14
Altitude 17766634.134245

Triangular Pyramid

Length = n
Surface area 1.8224251106304E+14
Volume 1.0175536909024E+21
Height 9670930.68347