20161442 (number)

20161442 is an even 8-digits composite number following 20161441 and preceding 20161443. In scientific notation, it is written as 2.0161442 × 10^7. The sum of its digits is 20. It has a total of 4 prime factors and 16 positive divisors. There are 8602440 positive integers (up to 20161442) that are relatively prime to 20161442.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0161442 × 10^7
Engineering notation 2.0161442 × 10^6

Prime Factorization of 20161442

Prime Factorization 2 × 49 × 419 × 491

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20161442
Product of the distinct prime numbers

The prime factorization of 20161442 is 2 × 49 × 419 × 491. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20161442)

Multiplication

n×y
n×2 40322884
n×3 60484326
n×4 80645768
n×5 100807210

Division

n÷y
n÷2 10080721
n÷3 6720480.6666667
n÷3 5040360.5
n÷5 4032288.4

Exponentiation

ny
n2 406483743519364
n3 8.1952984189085E+21
n4 1.6522903374552E+29
n5 3.3312555805763E+36

Nth Root

y√n
2√n 4490.1494407202
3√n 272.17017357128
4√n 67.008577366783
5√n 28.900430906809

Divisors of 20161442

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 -20161441
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 20161442 can be divided by 16 positive divisors. The sum of these divisors (counting 20161442) is 1, the average is 0.0625.

Base conversion 20161442

Base System Value
2 Binary 1001100111010001110100010
3 Ternary 1101221022022002
4 Quaternary 1030322032202
5 Quinary 20130131232
6 Senary 2000044002
8 Octal 114721642
10 Decimal 20161442
12 Duodecimal 6903602
16 Hexadecimal 133a3a2
20 Vigesimal 6603c2
36 Base36 c04o2

Cryptographic Hash Functions

md5 389920d00c1d419462cb20e5f7a0a14c
sha1 323a612ac8a0aa85818e5c1db6419930612767dd
sha256 dd841d8fe224b9278df04172d329ff23a56994f1c95a2e1316c6f3d910871bbd
sha512 2c880f681237e78b7770f85dd8ce9c55fe5e248f513dd96ad51b97ddeeb4454c957151a47ff4863d14998edd7092e71e900054ee6f29a0e3ec909d2691556f5e
ripemd-160 49a477b6fd9bff1815ba06669b2476cb4bae68c8

20161442 as geometric shapes

Circle

Radius = n
Diameter 40322884
Circumference 126678076.14595
Area 1.2770063424441E+15

Sphere

Radius = n
Volume 3.4328385742425E+22
Surface area 5.1080253697764E+15
Circumference 126678076.14595

Square

Length = n
Perimeter 80645768
Area 406483743519364
Diagonal 28512584.713399

Cube

Length = n
Surface area 2438902461116184
Volume 8.1952984189085E+21
Space diagonal 34920641.897853

Equilateral Triangle

Length = n
Perimeter 60484326
Area 1.7601262405658E+14
Altitude 17460320.948927

Triangular Pyramid

Length = n
Surface area 1.7601262405658E+14
Volume 9.6582518097627E+20
Height 9504194.9044662