20451242 (number)

20451242 is an even 8-digits composite number following 20451241 and preceding 20451243. In scientific notation, it is written as 2.0451242 × 10^7. The sum of its digits is 20. It has a total of 4 prime factors and 16 positive divisors. There are 8644320 positive integers (up to 20451242) that are relatively prime to 20451242.

Interesting facts

Basic properties

Name

Name twenty million four hundred fifty-one thousand two hundred forty-two

Notation

Scientific notation 2.0451242 × 10^7
Engineering notation 2.0451242 × 10^6

Prime Factorization of 20451242

Prime Factorization 2 × 7 × 73 × 20011

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20451242
Product of the distinct prime numbers

The prime factorization of 20451242 is 2 × 7 × 73 × 20011. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 3, 9, 56, 215, 60, 4237, 2744, 63146, 57805, 417763, 713970, 3513271, 4851230, 65571829, 19369145, 379894490, 782582303, 7877146548, 9987892253

Basic calculations (n = 20451242)

Multiplication

n×y
n×2 40902484
n×3 61353726
n×4 81804968
n×5 102256210

Division

n÷y
n÷2 10225621
n÷3 6817080.6666667
n÷3 5112810.5
n÷5 4090248.4

Exponentiation

ny
n2 418253299342564
n3 8.5537994421532E+21
n4 1.7493582241094E+29
n5 3.5776548385952E+36

Nth Root

y√n
2√n 4522.3049432784
3√n 273.46803031295
4√n 67.248085052872
5√n 28.983040089822

Divisors of 20451242

1, 2, 7, 14, 73, 146, 511, 1022, 20011, 40022, 140077, 280154, 1460803, 2921606, 10225621, 20451242

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20451241
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20451242 can be divided by 16 positive divisors. The sum of these divisors (counting 20451242) is 1, the average is 0.0625.

Base conversion 20451242

Base System Value
2 Binary 1001110000000111110101010
3 Ternary 1102111000211102
4 Quaternary 1032000332222
5 Quinary 20213414432
6 Senary 2010201402
8 Octal 116007652
10 Decimal 20451242
12 Duodecimal 6a23262
16 Hexadecimal 1380faa
20 Vigesimal 67g822
36 Base36 c6ca2

Cryptographic Hash Functions

md5 5a221deb1abd0fce7f0309a4102cdd6c
sha1 a49c4b0fae29f682f296fcee4502e666aa9be4fd
sha256 bf0d1fb06bfc6da9e98504a61c4d4434a7d350a56b14fa3d5ef8965caacfbb7f
sha512 8dc7e46d7cb593cf04bbe8e13fda23d1002b6e9eca360c87b05081e129a589387ee8aca797f7bcabf9edfd774bd47052dace56640ff861ddfe2ea36c7933605b
ripemd-160 286cbd47e905e00922ef82643288b51f1fd34a4a

20451242 as geometric shapes

Circle

Radius = n
Diameter 40902484
Circumference 128498943.24797
Area 1.3139814925543E+15

Sphere

Radius = n
Volume 3.5830071316999E+22
Surface area 5.2559259702172E+15
Circumference 128498943.24797

Square

Length = n
Perimeter 81804968
Area 418253299342564
Diagonal 28922423.803774

Cube

Length = n
Surface area 2509519796055384
Volume 8.5537994421532E+21
Space diagonal 35422590.221887

Equilateral Triangle

Length = n
Perimeter 61353726
Area 1.8110899122366E+14
Altitude 17711295.110943

Triangular Pyramid

Length = n
Surface area 1.8110899122366E+14
Volume 1.0080749317427E+21
Height 9640807.9345914