20181442 (number)

20181442 is an even 8-digits composite number following 20181441 and preceding 20181443. In scientific notation, it is written as 2.0181442 × 10^7. The sum of its digits is 22. It has a total of 4 prime factors and 16 positive divisors. There are 9597280 positive integers (up to 20181442) that are relatively prime to 20181442.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0181442 × 10^7
Engineering notation 2.0181442 × 10^6

Prime Factorization of 20181442

Prime Factorization 2 × 191 × 23 × 2297

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20181442
Product of the distinct prime numbers

The prime factorization of 20181442 is 2 × 191 × 23 × 2297. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 8, 78, 26, 883, 752, 5373, 8793, 49594, 71150, 539924, 61631, 580964, 9921178, 8931195, 89957242, 408788134, 208432310, 6790947185, 98419138

Basic calculations (n = 20181442)

Multiplication

n×y
n×2 40362884
n×3 60544326
n×4 80725768
n×5 100907210

Division

n÷y
n÷2 10090721
n÷3 6727147.3333333
n÷3 5045360.5
n÷5 4036288.4

Exponentiation

ny
n2 407290601199364
n3 8.2197116452501E+21
n4 1.6588563382534E+29
n5 3.3478112976793E+36

Nth Root

y√n
2√n 4492.3759860457
3√n 272.2601407559
4√n 67.025189190674
5√n 28.906162435362

Divisors of 20181442

1, 2, 23, 46, 191, 382, 2297, 4393, 4594, 8786, 52831, 105662, 438727, 877454, 10090721, 20181442

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 -20181441
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 20181442 can be divided by 16 positive divisors. The sum of these divisors (counting 20181442) is 1, the average is 0.0625.

Base conversion 20181442

Base System Value
2 Binary 1001100111111000111000010
3 Ternary 1101222022201211
4 Quaternary 1030333013002
5 Quinary 20131301232
6 Senary 2000320334
8 Octal 114770702
10 Decimal 20181442
12 Duodecimal 69130aa
16 Hexadecimal 133f1c2
20 Vigesimal 662dc2
36 Base36 c0k3m

Cryptographic Hash Functions

md5 dc009a3a478e1abe7773ef50c6f231ef
sha1 6281900566507e36f27bf972539f44423d7ae789
sha256 cef93a313c7e479ed26a8f86ed2f46a05df1ac59b823e44dc190a998ef722c3a
sha512 0f5f57a8b23db503e11d4a8ad1a315c9cdac170130c20b43cd7b972e9f8298f7a141fb068ca4d492f152ed5e4ec9677fc86e9a404a735540eb0b3298d3f60abd
ripemd-160 8823422c0981edf625cea08e12fe1c80c0f97321

20181442 as geometric shapes

Circle

Radius = n
Diameter 40362884
Circumference 126803739.8521
Area 1.2795411606041E+15

Sphere

Radius = n
Volume 3.4430647625792E+22
Surface area 5.1181646424164E+15
Circumference 126803739.8521

Square

Length = n
Perimeter 80725768
Area 407290601199364
Diagonal 28540868.984646

Cube

Length = n
Surface area 2443743607196184
Volume 8.2197116452501E+21
Space diagonal 34955282.914004

Equilateral Triangle

Length = n
Perimeter 60544326
Area 1.7636200368064E+14
Altitude 17477641.457002

Triangular Pyramid

Length = n
Surface area 1.7636200368064E+14
Volume 9.687023072924E+20
Height 9513622.994882