20381844 (number)

20381844 is an even 8-digits composite number following 20381843 and preceding 20381845. In scientific notation, it is written as 2.0381844 × 10^7. The sum of its digits is 30. It has a total of 7 prime factors and 72 positive divisors. There are 5478144 positive integers (up to 20381844) that are relatively prime to 20381844.

Interesting facts

Basic properties

Name

Name twenty million three hundred eighty-one thousand eight hundred forty-four

Notation

Scientific notation 2.0381844 × 10^7
Engineering notation 2.0381844 × 10^6

Prime Factorization of 20381844

Prime Factorization 2 × 2 × 3 × 7 × 7 × 17 × 2039

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 1455846
Product of the distinct prime numbers

The prime factorization of 20381844 is 2 × 2 × 3 × 7 × 7 × 17 × 2039. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20381844)

Multiplication

n×y
n×2 40763688
n×3 61145532
n×4 81527376
n×5 101909220

Division

n÷y
n÷2 10190922
n÷3 6793948
n÷3 5095461
n÷5 4076368.8

Exponentiation

ny
n2 415419564840336
n3 8.4670167651236E+21
n4 1.7257341485213E+29
n5 3.5173644200635E+36

Nth Root

y√n
2√n 4514.6255658692
3√n 273.1583565151
4√n 67.190963424178
5√n 28.963343479853

Divisors of 20381844

72 divisors

τ Total Divisors 72
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20381843
Sum of the proper positive divisors of n
A Arithmetic Mean 0.013888888888889
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 72
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20381844 can be divided by 72 positive divisors. The sum of these divisors (counting 20381844) is 1, the average is 0.013888888888889.

Base conversion 20381844

Base System Value
2 Binary 1001101110000000010010100
3 Ternary 1102100111122010
4 Quaternary 1031300002110
5 Quinary 20204204334
6 Senary 2004504220
8 Octal 115600224
10 Decimal 20381844
12 Duodecimal 69ab070
16 Hexadecimal 1370094
20 Vigesimal 677ec4
36 Base36 c4uqc

Cryptographic Hash Functions

md5 a9e2ab380122abba79408fc8c4742106
sha1 36407dd3ec5dccc2ef84a43ef54ddf4a9cee09bc
sha256 923e96d7a3ae1114d5db1707289ff2892bac2e258dd51886c34de0761cd32427
sha512 e6f984d88efe2bbbf8db4da88dbff27efa81e9932d291784de37da3ae7ead3b99f6768d117e36b4b03c995d814017debefa30bc88064cc5d98a8e49e20dee332
ripemd-160 0821ac0c8b0923c7b01e1808c990347da70be238

20381844 as geometric shapes

Circle

Radius = n
Diameter 40763688
Circumference 128062902.75403
Area 1.3050790530599E+15

Sphere

Radius = n
Volume 3.5466556889512E+22
Surface area 5.2203162122395E+15
Circumference 128062902.75403

Square

Length = n
Perimeter 81527376
Area 415419564840336
Diagonal 28824280.210973

Cube

Length = n
Surface area 2492517389042016
Volume 8.4670167651236E+21
Space diagonal 35302389.359943

Equilateral Triangle

Length = n
Perimeter 61145532
Area 1.798819481904E+14
Altitude 17651194.679971

Triangular Pyramid

Length = n
Surface area 1.798819481904E+14
Volume 9.9784749517318E+20
Height 9608093.4036576