20187428 (number)

20187428 is an even 8-digits composite number following 20187427 and preceding 20187429. In scientific notation, it is written as 2.0187428 × 10^7. The sum of its digits is 32. It has a total of 4 prime factors and 12 positive divisors. There are 10053000 positive integers (up to 20187428) that are relatively prime to 20187428.

Interesting facts

Basic properties

Name

Name twenty million one hundred eighty-seven thousand four hundred twenty-eight

Notation

Scientific notation 2.0187428 × 10^7
Engineering notation 2.0187428 × 10^6

Prime Factorization of 20187428

Prime Factorization 2 × 2 × 251 × 20107

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10093714
Product of the distinct prime numbers

The prime factorization of 20187428 is 2 × 2 × 251 × 20107. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 7, 59, 3, 459, 155, 5791, 7662, 33635, 19314, 681874, 348212, 665313, 568974, 94711436, 32859884, 553490210, 649135080, 7864709861, 4223000150

Basic calculations (n = 20187428)

Multiplication

n×y
n×2 40374856
n×3 60562284
n×4 80749712
n×5 100937140

Division

n÷y
n÷2 10093714
n÷3 6729142.6666667
n÷3 5046857
n÷5 4037485.6

Exponentiation

ny
n2 407532249255184
n3 8.2270279395171E+21
n4 1.6608253418299E+29
n5 3.3527792008766E+36

Nth Root

y√n
2√n 4493.0421765214
3√n 272.28705637631
4√n 67.030158708759
5√n 28.907876998304

Divisors of 20187428

1, 2, 4, 251, 502, 1004, 20107, 40214, 80428, 5046857, 10093714, 20187428

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20187427
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20187428 can be divided by 12 positive divisors. The sum of these divisors (counting 20187428) is 1, the average is 0.083333333333333.

Base conversion 20187428

Base System Value
2 Binary 1001101000000100100100100
3 Ternary 1101222121221112
4 Quaternary 1031000210210
5 Quinary 20131444203
6 Senary 2000404152
8 Octal 115004444
10 Decimal 20187428
12 Duodecimal 6916658
16 Hexadecimal 1340924
20 Vigesimal 6638b8
36 Base36 c0opw

Cryptographic Hash Functions

md5 e9ab1c7d726e2fb36f26044542b60fb3
sha1 5d36b1be5c67ef83c32f5a453d893518d8aaaceb
sha256 844107bfd0f94e345a75a5ebf648252814b4fd1a25b83bfa5ddc650604a84b43
sha512 51c91fcbf7ba5f4999d9c91c0033a79103267aa36cd7f45dbfb5129783b1e8c97d6374b581430a6f88376898666553d449d88eb14c0b750180a21ea7abdaa0d7
ripemd-160 2a7b8cff383f7de412f7ec6a6aa3fcfb1ab8a7c7

20187428 as geometric shapes

Circle

Radius = n
Diameter 40374856
Circumference 126841350.99935
Area 1.280300320361E+15

Sphere

Radius = n
Volume 3.4461294047553E+22
Surface area 5.121201281444E+15
Circumference 126841350.99935

Square

Length = n
Perimeter 80749712
Area 407532249255184
Diagonal 28549334.46703

Cube

Length = n
Surface area 2445193495531104
Volume 8.2270279395171E+21
Space diagonal 34965650.970139

Equilateral Triangle

Length = n
Perimeter 60562284
Area 1.764666403582E+14
Altitude 17482825.485069

Triangular Pyramid

Length = n
Surface area 1.764666403582E+14
Volume 9.6956454084062E+20
Height 9516444.8223435