20187438 (number)

20187438 is an even 8-digits composite number following 20187437 and preceding 20187439. In scientific notation, it is written as 2.0187438 × 10^7. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 6729144 positive integers (up to 20187438) that are relatively prime to 20187438.

Interesting facts

Basic properties

Name

Name twenty million one hundred eighty-seven thousand four hundred thirty-eight

Notation

Scientific notation 2.0187438 × 10^7
Engineering notation 2.0187438 × 10^6

Prime Factorization of 20187438

Prime Factorization 2 × 3 × 3364573

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20187438
Product of the distinct prime numbers

The prime factorization of 20187438 is 2 × 3 × 3364573. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20187438)

Multiplication

n×y
n×2 40374876
n×3 60562314
n×4 80749752
n×5 100937190

Division

n÷y
n÷2 10093719
n÷3 6729146
n÷3 5046859.5
n÷5 4037487.6

Exponentiation

ny
n2 407532653003844
n3 8.2270401654906E+21
n4 1.6608286326435E+29
n5 3.3527875050116E+36

Nth Root

y√n
2√n 4493.043289353
3√n 272.28710133614
4√n 67.030167009735
5√n 28.907879862252

Divisors of 20187438

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 -20187437
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 20187438 can be divided by 8 positive divisors. The sum of these divisors (counting 20187438) is 1, the average is 0.125.

Base conversion 20187438

Base System Value
2 Binary 1001101000000100100101110
3 Ternary 1101222121221220
4 Quaternary 1031000210232
5 Quinary 20131444223
6 Senary 2000404210
8 Octal 115004456
10 Decimal 20187438
12 Duodecimal 6916666
16 Hexadecimal 134092e
20 Vigesimal 6638bi
36 Base36 c0oq6

Cryptographic Hash Functions

md5 f012c7eb8db6bc79092335e3d0869751
sha1 2452296d973ac154b9e68e22702b01a502684842
sha256 eac790f82ca0e56a09e16c02e31d555ee461b07b3d2a51272b969a40986eba03
sha512 a8f18625f78155b364450bca60d9f8172bee6faa72220d42bd9e12a6623c1e33e12d978f3d0812a182eee5f8e7e4fe925bb7dd4f2da3776619372a1a1ef85d7a
ripemd-160 75221bcce1201f1cb0534f51920fd3ddbc28b5b3

20187438 as geometric shapes

Circle

Radius = n
Diameter 40374876
Circumference 126841413.8312
Area 1.2803015887748E+15

Sphere

Radius = n
Volume 3.4461345259591E+22
Surface area 5.1212063550993E+15
Circumference 126841413.8312

Square

Length = n
Perimeter 80749752
Area 407532653003844
Diagonal 28549348.609166

Cube

Length = n
Surface area 2445195918023064
Volume 8.2270401654906E+21
Space diagonal 34965668.290647

Equilateral Triangle

Length = n
Perimeter 60562314
Area 1.764668151865E+14
Altitude 17482834.145323

Triangular Pyramid

Length = n
Surface area 1.764668151865E+14
Volume 9.6956598168542E+20
Height 9516449.5363887