20381618 (number)

20381618 is an even 8-digits composite number following 20381617 and preceding 20381619. In scientific notation, it is written as 2.0381618 × 10^7. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 10190808 positive integers (up to 20381618) that are relatively prime to 20381618.

Interesting facts

Basic properties

Name

Name twenty million three hundred eighty-one thousand six hundred eighteen

Notation

Scientific notation 2.0381618 × 10^7
Engineering notation 2.0381618 × 10^6

Prime Factorization of 20381618

Prime Factorization 2 × 10190809

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20381618
Product of the distinct prime numbers

The prime factorization of 20381618 is 2 × 10190809. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20381618)

Multiplication

n×y
n×2 40763236
n×3 61144854
n×4 81526472
n×5 101908090

Division

n÷y
n÷2 10190809
n÷3 6793872.6666667
n÷3 5095404.5
n÷5 4076323.6

Exponentiation

ny
n2 415410352297924
n3 8.4667351137817E+21
n4 1.7256576079629E+29
n5 3.5171694164293E+36

Nth Root

y√n
2√n 4514.6005360386
3√n 273.15734689077
4√n 67.190777165014
5√n 28.96327924872

Divisors of 20381618

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20381617
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20381618 can be divided by 4 positive divisors. The sum of these divisors (counting 20381618) is 1, the average is 0.25.

Base conversion 20381618

Base System Value
2 Binary 1001101101111111110110010
3 Ternary 1102100111022202
4 Quaternary 1031233332302
5 Quinary 20204202433
6 Senary 2004503202
8 Octal 115577662
10 Decimal 20381618
12 Duodecimal 69aab02
16 Hexadecimal 136ffb2
20 Vigesimal 677e0i
36 Base36 c4uk2

Cryptographic Hash Functions

md5 01d3d51f98cdaeb265fb023af53c2e84
sha1 b41a165388588ef9060682867761f607173ea024
sha256 92238e71999f3a8b8634f27558c67bdb966cf631f23f1cb7ebaa829eed611c85
sha512 0498bcea806ec180de4f7c91b2df3ec46e7298b4dfa2e643d2e7cbebd40b30de297b2c1c247133be27c2ad129a4ff1a598535a554b2f96746a7eb993d994a95a
ripemd-160 00c4274d1dc5bbf775a18922ff5028e17b4023ce

20381618 as geometric shapes

Circle

Radius = n
Diameter 40763236
Circumference 128061482.75415
Area 1.3050501110043E+15

Sphere

Radius = n
Volume 3.546537711113E+22
Surface area 5.2202004440172E+15
Circumference 128061482.75415

Square

Length = n
Perimeter 81526472
Area 415410352297924
Diagonal 28823960.598708

Cube

Length = n
Surface area 2492462113787544
Volume 8.4667351137817E+21
Space diagonal 35301997.91646

Equilateral Triangle

Length = n
Perimeter 61144854
Area 1.7987795904252E+14
Altitude 17650998.95823

Triangular Pyramid

Length = n
Surface area 1.7987795904252E+14
Volume 9.9781430224422E+20
Height 9607986.8662359