20042642 (number)

20042642 is an even 8-digits composite number following 20042641 and preceding 20042643. In scientific notation, it is written as 2.0042642 × 10^7. The sum of its digits is 20. It has a total of 4 prime factors and 16 positive divisors. There are 9859200 positive integers (up to 20042642) that are relatively prime to 20042642.

Interesting facts

Basic properties

Name

Name twenty million forty-two thousand six hundred forty-two

Notation

Scientific notation 2.0042642 × 10^7
Engineering notation 2.0042642 × 10^6

Prime Factorization of 20042642

Prime Factorization 2 × 101 × 317 × 313

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20042642
Product of the distinct prime numbers

The prime factorization of 20042642 is 2 × 101 × 317 × 313. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 3, 28, 9, 795, 294, 431, 8088, 45032, 83939, 163097, 960932, 2788703, 9135561, 77719587, 33676459, 815349294, 622714961, 5576257074, 2797483913

Basic calculations (n = 20042642)

Multiplication

n×y
n×2 40085284
n×3 60127926
n×4 80170568
n×5 100213210

Division

n÷y
n÷2 10021321
n÷3 6680880.6666667
n÷3 5010660.5
n÷5 4008528.4

Exponentiation

ny
n2 401707498340164
n3 8.0512795779475E+21
n4 1.6136891422271E+29
n5 3.2342593776945E+36

Nth Root

y√n
2√n 4476.9009370322
3√n 271.63453837793
4√n 66.909647563204
5√n 28.866291560149

Divisors of 20042642

1, 2, 101, 202, 313, 317, 626, 634, 31613, 32017, 63226, 64034, 99221, 198442, 10021321, 20042642

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 -20042641
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 20042642 can be divided by 16 positive divisors. The sum of these divisors (counting 20042642) is 1, the average is 0.0625.

Base conversion 20042642

Base System Value
2 Binary 1001100011101001110010010
3 Ternary 1101201021100002
4 Quaternary 1030131032102
5 Quinary 20112331032
6 Senary 1553330002
8 Octal 114351622
10 Decimal 20042642
12 Duodecimal 6866902
16 Hexadecimal 131d392
20 Vigesimal 6556c2
36 Base36 bxl02

Cryptographic Hash Functions

md5 608df636acb80faf829fdb6263390112
sha1 bbb93694e011872aa9c5e265ff25b0b7cefcdf03
sha256 80dbbcf14d4553c1730b999528682778d1bd49f1cd3a80b8be9e30211dd0b155
sha512 e481ba9a5da27c3306809840d88d7cf72e656ff8e6894c622ee3178d9183a610cfb0b630e7acea5f6c98be8425a27fafc8d02b340c584003335a7bca03a97c3e
ripemd-160 31dc5f8ecf3d954912bd89055d9fb5461281c937

20042642 as geometric shapes

Circle

Radius = n
Diameter 40085284
Circumference 125931633.73146
Area 1.2620013256774E+15

Sphere

Radius = n
Volume 3.3725121032103E+22
Surface area 5.0480053027096E+15
Circumference 125931633.73146

Square

Length = n
Perimeter 80170568
Area 401707498340164
Diagonal 28344576.142189

Cube

Length = n
Surface area 2410244990040984
Volume 8.0512795779475E+21
Space diagonal 34714874.261914

Equilateral Triangle

Length = n
Perimeter 60127926
Area 1.7394444922664E+14
Altitude 17357437.130957

Triangular Pyramid

Length = n
Surface area 1.7394444922664E+14
Volume 9.4885239779924E+20
Height 9448192.0473962