20487142 (number)

20487142 is an even 8-digits composite number following 20487141 and preceding 20487143. In scientific notation, it is written as 2.0487142 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 8899200 positive integers (up to 20487142) that are relatively prime to 20487142.

Interesting facts

Basic properties

Name

Name twenty million four hundred eighty-seven thousand one hundred forty-two

Notation

Scientific notation 2.0487142 × 10^7
Engineering notation 2.0487142 × 10^6

Prime Factorization of 20487142

Prime Factorization 2 × 221 × 46351

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20487142
Product of the distinct prime numbers

The prime factorization of 20487142 is 2 × 221 × 46351. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20487142)

Multiplication

n×y
n×2 40974284
n×3 61461426
n×4 81948568
n×5 102435710

Division

n÷y
n÷2 10243571
n÷3 6829047.3333333
n÷3 5121785.5
n÷5 4097428.4

Exponentiation

ny
n2 419722987328164
n3 8.5989244420563E+21
n4 1.7616738609168E+29
n5 3.609166254629E+36

Nth Root

y√n
2√n 4526.2724177849
3√n 273.62795154339
4√n 67.277577377495
5√n 28.993208287125

Divisors of 20487142

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 -20487141
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 20487142 can be divided by 8 positive divisors. The sum of these divisors (counting 20487142) is 1, the average is 0.125.

Base conversion 20487142

Base System Value
2 Binary 1001110001001101111100110
3 Ternary 1102112212002001
4 Quaternary 1032021233212
5 Quinary 20221042032
6 Senary 2011035514
8 Octal 116115746
10 Decimal 20487142
12 Duodecimal 6a3bb9a
16 Hexadecimal 1389be6
20 Vigesimal 680hh2
36 Base36 c73za

Cryptographic Hash Functions

md5 b6acf427e3a9f02934d150b6f7ddcd41
sha1 3c45792570dc2e00cd7916e40a0562546f293e5b
sha256 9f3511d0e0f1fd7b8e62371f77427a5b9a42fe43f029440b7d25267b8ee383e3
sha512 c6ebb31a40e00cec540eed6f5b89adc255f34ed17d115a7d1082a707463d2058d749be3b5584a5b6c1acc17656ee504f5ac1fb9097cc6cd02030a482d11e71c8
ripemd-160 3abc3222e4982623261239ef73ac931f9e6be21a

20487142 as geometric shapes

Circle

Radius = n
Diameter 40974284
Circumference 128724509.6005
Area 1.3185986535329E+15

Sphere

Radius = n
Volume 3.6019090474584E+22
Surface area 5.2743946141317E+15
Circumference 128724509.6005

Square

Length = n
Perimeter 81948568
Area 419722987328164
Diagonal 28973194.070663

Cube

Length = n
Surface area 2518337923968984
Volume 8.5989244420563E+21
Space diagonal 35484770.845878

Equilateral Triangle

Length = n
Perimeter 61461426
Area 1.8174538478924E+14
Altitude 17742385.422939

Triangular Pyramid

Length = n
Surface area 1.8174538478924E+14
Volume 1.0133929639815E+21
Height 9657731.3568878