20142642 (number)

20142642 is an even 8-digits composite number following 20142641 and preceding 20142643. In scientific notation, it is written as 2.0142642 × 10^7. The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors. There are 6168960 positive integers (up to 20142642) that are relatively prime to 20142642.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0142642 × 10^7
Engineering notation 2.0142642 × 10^6

Prime Factorization of 20142642

Prime Factorization 2 × 39 × 919 × 281

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20142642
Product of the distinct prime numbers

The prime factorization of 20142642 is 2 × 39 × 919 × 281. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 8, 97, 43, 968, 221, 1014, 6803, 18651, 98922, 162422, 800464, 5529000, 9221946, 38497505, 32885576, 505234018, 686753134, 9860091727, 2192820634

Basic calculations (n = 20142642)

Multiplication

n×y
n×2 40285284
n×3 60427926
n×4 80570568
n×5 100713210

Division

n÷y
n÷2 10071321
n÷3 6714214
n÷3 5035660.5
n÷5 4028528.4

Exponentiation

ny
n2 405726026740164
n3 8.1723941067096E+21
n4 1.6461360877436E+29
n5 3.31575298987E+36

Nth Root

y√n
2√n 4488.0554809405
3√n 272.08555015143
4√n 66.992950979491
5√n 28.895039121142

Divisors of 20142642

1, 2, 39, 78, 281, 562, 919, 1838, 10959, 21918, 35841, 71682, 258239, 516478, 10071321, 20142642

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 -20142641
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 20142642 can be divided by 16 positive divisors. The sum of these divisors (counting 20142642) is 1, the average is 0.0625.

Base conversion 20142642

Base System Value
2 Binary 1001100110101101000110010
3 Ternary 1101220100111210
4 Quaternary 1030311220302
5 Quinary 20124031032
6 Senary 1555420550
8 Octal 114655062
10 Decimal 20142642
12 Duodecimal 68b4756
16 Hexadecimal 1335a32
20 Vigesimal 65hgc2
36 Base36 bzq5u

Cryptographic Hash Functions

md5 42a4af1410e4f365c41a1a6f6c67bc67
sha1 12d3932da50fd670fe3721a7f226e13146fc4095
sha256 07ea743600d2a4da9d0da78b3328d4c0f637db68dd6c174fcdd20b64a095f74f
sha512 aeb31ff0580cadf759eb5c628da0ec78fb07dae7e7ead81da0d050cf08e59b90e17caaeb43a708b8474db0bdc754c108113e7f823887ab5d2e86c471bfdd5501
ripemd-160 ea6bb6a9e4fc61691701c3d1b6132f6c9a620839

20142642 as geometric shapes

Circle

Radius = n
Diameter 40285284
Circumference 126559952.26218
Area 1.2746259049771E+15

Sphere

Radius = n
Volume 3.4232444383839E+22
Surface area 5.0985036199083E+15
Circumference 126559952.26218

Square

Length = n
Perimeter 80570568
Area 405726026740164
Diagonal 28485997.498426

Cube

Length = n
Surface area 2434356160440984
Volume 8.1723941067096E+21
Space diagonal 34888079.342671

Equilateral Triangle

Length = n
Perimeter 60427926
Area 1.7568452306675E+14
Altitude 17444039.671335

Triangular Pyramid

Length = n
Surface area 1.7568452306675E+14
Volume 9.6312588189722E+20
Height 9495332.4994753