20188638 (number)

20188638 is an even 8-digits composite number following 20188637 and preceding 20188639. In scientific notation, it is written as 2.0188638 × 10^7. The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors. There are 6680304 positive integers (up to 20188638) that are relatively prime to 20188638.

Interesting facts

Basic properties

Name

Name twenty million one hundred eighty-eight thousand six hundred thirty-eight

Notation

Scientific notation 2.0188638 × 10^7
Engineering notation 2.0188638 × 10^6

Prime Factorization of 20188638

Prime Factorization 2 × 1251 × 8069

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20188638
Product of the distinct prime numbers

The prime factorization of 20188638 is 2 × 1251 × 8069. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20188638)

Multiplication

n×y
n×2 40377276
n×3 60565914
n×4 80754552
n×5 100943190

Division

n÷y
n÷2 10094319
n÷3 6729546
n÷3 5047159.5
n÷5 4037727.6

Exponentiation

ny
n2 407581104295044
n3 8.2285073702529E+21
n4 1.6612235657837E+29
n5 3.3537841206676E+36

Nth Root

y√n
2√n 4493.1768271458
3√n 272.29249640819
4√n 67.031163104528
5√n 28.908223527763

Divisors of 20188638

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20188637
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20188638 can be divided by 8 positive divisors. The sum of these divisors (counting 20188638) is 1, the average is 0.125.

Base conversion 20188638

Base System Value
2 Binary 1001101000000110111011110
3 Ternary 1101222200121100
4 Quaternary 1031000313132
5 Quinary 20132014023
6 Senary 2000413530
8 Octal 115006736
10 Decimal 20188638
12 Duodecimal 69172a6
16 Hexadecimal 1340dde
20 Vigesimal 663bbi
36 Base36 c0pni

Cryptographic Hash Functions

md5 5b5f0084e6db0e5ffbe6ac885d790e5e
sha1 15546c7ce8fc21380dcb8cd65fce765043de8267
sha256 81880f7796859e0f1f41336dd84152011c944e91c75d9fd05cf4ea1273b200aa
sha512 fa0c193db6cf262a5431714d9e84c9ea6113ea5698a0c91ea7d3a173078946976e1cfe43f66683cc956f434f5320ccce51c2ed337e417960526c9a75999eb6c3
ripemd-160 f0549f7743cbff9e943ee922b9f447cc87443867

20188638 as geometric shapes

Circle

Radius = n
Diameter 40377276
Circumference 126848953.65357
Area 1.2804538029953E+15

Sphere

Radius = n
Volume 3.4467491072528E+22
Surface area 5.1218152119813E+15
Circumference 126848953.65357

Square

Length = n
Perimeter 80754552
Area 407581104295044
Diagonal 28551045.665441

Cube

Length = n
Surface area 2445486625770264
Volume 8.2285073702529E+21
Space diagonal 34967746.751616

Equilateral Triangle

Length = n
Perimeter 60565914
Area 1.7648779521101E+14
Altitude 17483873.375808

Triangular Pyramid

Length = n
Surface area 1.7648779521101E+14
Volume 9.6973889342488E+20
Height 9517015.2218136