20081442 (number)

20081442 is an even 8-digits composite number following 20081441 and preceding 20081443. In scientific notation, it is written as 2.0081442 × 10^7. The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors. There are 6341472 positive integers (up to 20081442) that are relatively prime to 20081442.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0081442 × 10^7
Engineering notation 2.0081442 × 10^6

Prime Factorization of 20081442

Prime Factorization 2 × 3 × 19 × 176153

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20081442
Product of the distinct prime numbers

The prime factorization of 20081442 is 2 × 3 × 19 × 176153. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20081442)

Multiplication

n×y
n×2 40162884
n×3 60244326
n×4 80325768
n×5 100407210

Division

n÷y
n÷2 10040721
n÷3 6693814
n÷3 5020360.5
n÷5 4016288.4

Exponentiation

ny
n2 403264312799364
n3 8.0981289081503E+21
n4 1.6262210597754E+29
n5 3.2656863891059E+36

Nth Root

y√n
2√n 4481.2321966174
3√n 271.80970867073
4√n 66.942006218946
5√n 28.877459207989

Divisors of 20081442

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 -20081441
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 20081442 can be divided by 16 positive divisors. The sum of these divisors (counting 20081442) is 1, the average is 0.0625.

Base conversion 20081442

Base System Value
2 Binary 1001100100110101100100010
3 Ternary 1101210020120010
4 Quaternary 1030212230202
5 Quinary 20120101232
6 Senary 1554225350
8 Octal 114465442
10 Decimal 20081442
12 Duodecimal 6885256
16 Hexadecimal 1326b22
20 Vigesimal 65a3c2
36 Base36 byexu

Cryptographic Hash Functions

md5 f1ef9a94a4e662b5c9425d20470c835c
sha1 85cdf05e5073dfda7f242ac66f6667b6c34bca2c
sha256 6db111c4c5d59d0f758f670c8320e68823a753ea829f230d66512a3c857fdf7f
sha512 22a75cfb0c3f33651d19f13686030c1c87e1bbb9cae0e0026a195aa06ccc5e06a4c155eb11c0cb29a6704890a3490fbedc552f81313ae1f7069b20a1f43f9c64
ripemd-160 d8f63dc405d6915bb05cef07c1af990369bde51e

20081442 as geometric shapes

Circle

Radius = n
Diameter 40162884
Circumference 126175421.32138
Area 1.2668922025454E+15

Sphere

Radius = n
Volume 3.3921363047557E+22
Surface area 5.0675688101817E+15
Circumference 126175421.32138

Square

Length = n
Perimeter 80325768
Area 403264312799364
Diagonal 28399447.628409

Cube

Length = n
Surface area 2419585876796184
Volume 8.0981289081503E+21
Space diagonal 34782077.833248

Equilateral Triangle

Length = n
Perimeter 60244326
Area 1.7461856966196E+14
Altitude 17391038.916624

Triangular Pyramid

Length = n
Surface area 1.7461856966196E+14
Volume 9.5437364431265E+20
Height 9466482.5428029