19981636 (number)

19981636 is an even 8-digits composite number following 19981635 and preceding 19981637. In scientific notation, it is written as 1.9981636 × 10^7. The sum of its digits is 43. It has a total of 4 prime factors and 12 positive divisors. There are 9802208 positive integers (up to 19981636) that are relatively prime to 19981636.

Interesting facts

Basic properties

Name

Name nineteen million nine hundred eighty-one thousand six hundred thirty-six

Notation

Scientific notation 1.9981636 × 10^7
Engineering notation 1.9981636 × 10^6

Prime Factorization of 19981636

Prime Factorization 2 × 2 × 53 × 94253

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 9990818
Product of the distinct prime numbers

The prime factorization of 19981636 is 2 × 2 × 53 × 94253. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 19981636)

Multiplication

n×y
n×2 39963272
n×3 59944908
n×4 79926544
n×5 99908180

Division

n÷y
n÷2 9990818
n÷3 6660545.3333333
n÷3 4995409
n÷5 3996327.2

Exponentiation

ny
n2 399265777236496
n3 7.9779834279967E+21
n4 1.5941316087226E+29
n5 3.185335754159E+36

Nth Root

y√n
2√n 4470.0823258638
3√n 271.35865694353
4√n 66.858674275398
5√n 28.848697422733

Divisors of 19981636

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 -19981635
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 19981636 can be divided by 12 positive divisors. The sum of these divisors (counting 19981636) is 1, the average is 0.083333333333333.

Base conversion 19981636

Base System Value
2 Binary 1001100001110010101000100
3 Ternary 1101121011122121
4 Quaternary 1030032111010
5 Quinary 20103403021
6 Senary 1552135324
8 Octal 114162504
10 Decimal 19981636
12 Duodecimal 6837544
16 Hexadecimal 130e544
20 Vigesimal 64he1g
36 Base36 bw9xg

Cryptographic Hash Functions

md5 c5b0190df8e2ac67112d8ba2a6f85845
sha1 3d0a7489599daccaa6883cc920edc2519ab08339
sha256 3a89a048bae2ce96e21c10c5d97490b53678a156a2c2a6fd0c555faff64e9d86
sha512 d3d4535b9350b935378bc1f6aabf9901c4288c0f30521687d0f797c27f38aa6f8cd7938b76b82d610df16fe06f0c2594f16b9f2390ff118c22ce1d29c05efe44
ripemd-160 f492c4c6d065252883a4e901bc23719b77c049fd

19981636 as geometric shapes

Circle

Radius = n
Diameter 39963272
Circumference 125548321.72861
Area 1.254330432596E+15

Sphere

Radius = n
Volume 3.3418098837141E+22
Surface area 5.017321730384E+15
Circumference 125548321.72861

Square

Length = n
Perimeter 79926544
Area 399265777236496
Diagonal 28258300.629602

Cube

Length = n
Surface area 2395594663418976
Volume 7.9779834279967E+21
Space diagonal 34609208.770347

Equilateral Triangle

Length = n
Perimeter 59944908
Area 1.7288715297427E+14
Altitude 17304604.385174

Triangular Pyramid

Length = n
Surface area 1.7288715297427E+14
Volume 9.402143636884E+20
Height 9419433.5432008