20385940 (number)

20385940 is an even 8-digits composite number following 20385939 and preceding 20385941. In scientific notation, it is written as 2.0385940 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 12 positive divisors. There are 8154368 positive integers (up to 20385940) that are relatively prime to 20385940.

Interesting facts

Basic properties

Name

Name twenty million three hundred eighty-five thousand nine hundred forty

Notation

Scientific notation 2.0385940 × 10^7
Engineering notation 2.0385940 × 10^6

Prime Factorization of 20385940

Prime Factorization 2 × 2 × 5 × 1019297

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10192970
Product of the distinct prime numbers

The prime factorization of 20385940 is 2 × 2 × 5 × 1019297. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 9, 15, 3, 989, 501, 7820, 6492, 51513, 73004, 379694, 625914, 8052543, 7331561, 4889856, 46329579, 601144503, 810510925, 831432293, 4921258247

Basic calculations (n = 20385940)

Multiplication

n×y
n×2 40771880
n×3 61157820
n×4 81543760
n×5 101929700

Division

n÷y
n÷2 10192970
n÷3 6795313.3333333
n÷3 5096485
n÷5 4077188

Exponentiation

ny
n2 415586549683600
n3 8.4721224666569E+21
n4 1.7271218027792E+29
n5 3.5209001444148E+36

Nth Root

y√n
2√n 4515.0791798151
3√n 273.17665354598
4√n 67.194338897076
5√n 28.964507499356

Divisors of 20385940

1, 2, 4, 5, 10, 20, 1019297, 2038594, 4077188, 5096485, 10192970, 20385940

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20385939
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20385940 can be divided by 12 positive divisors. The sum of these divisors (counting 20385940) is 1, the average is 0.083333333333333.

Base conversion 20385940

Base System Value
2 Binary 1001101110001000010010100
3 Ternary 1102100201020211
4 Quaternary 1031301002110
5 Quinary 20204322230
6 Senary 2004535204
8 Octal 115610224
10 Decimal 20385940
12 Duodecimal 69b1504
16 Hexadecimal 1371094
20 Vigesimal 6784h0
36 Base36 c4xw4

Cryptographic Hash Functions

md5 fdce90b508784334d315d1c75742a4cb
sha1 772b8015da55ccb7ee5dfa05456f46bb2318fa2f
sha256 a73beb604f9d42bda63924e03355841d59f39a9963d212bde2eefc70a7402a20
sha512 36681556483178d9d28720f168087139a20e203fa9e1890a3555fbdaa736db9ae5ad556feda53bffb311db12b0bdc7357e195b57f7a2755e675ea87e0be26901
ripemd-160 a07949951fbbbba2cb071a1a7d07967d73854222

20385940 as geometric shapes

Circle

Radius = n
Diameter 40771880
Circumference 128088638.68104
Area 1.3056036514167E+15

Sphere

Radius = n
Volume 3.5487943602083E+22
Surface area 5.2224146056669E+15
Circumference 128088638.68104

Square

Length = n
Perimeter 81543760
Area 415586549683600
Diagonal 28830072.829724

Cube

Length = n
Surface area 2493519298101600
Volume 8.4721224666569E+21
Space diagonal 35309483.840051

Equilateral Triangle

Length = n
Perimeter 61157820
Area 1.7995425474856E+14
Altitude 17654741.920025

Triangular Pyramid

Length = n
Surface area 1.7995425474856E+14
Volume 9.9844920786933E+20
Height 9610024.2765747