20187644 (number)

20187644 is an even 8-digits composite number following 20187643 and preceding 20187645. In scientific notation, it is written as 2.0187644 × 10^7. The sum of its digits is 32. It has a total of 4 prime factors and 12 positive divisors. There are 9820944 positive integers (up to 20187644) that are relatively prime to 20187644.

Interesting facts

Basic properties

Name

Name twenty million one hundred eighty-seven thousand six hundred forty-four

Notation

Scientific notation 2.0187644 × 10^7
Engineering notation 2.0187644 × 10^6

Prime Factorization of 20187644

Prime Factorization 2 × 2 × 37 × 136403

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10093822
Product of the distinct prime numbers

The prime factorization of 20187644 is 2 × 2 × 37 × 136403. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20187644)

Multiplication

n×y
n×2 40375288
n×3 60562932
n×4 80750576
n×5 100938220

Division

n÷y
n÷2 10093822
n÷3 6729214.6666667
n÷3 5046911
n÷5 4037528.8

Exponentiation

ny
n2 407540970270736
n3 8.2272920232402E+21
n4 1.6608964244921E+29
n5 3.352958573852E+36

Nth Root

y√n
2√n 4493.0662136229
3√n 272.28802750537
4√n 67.030338009165
5√n 28.907938859327

Divisors of 20187644

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 -20187643
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 20187644 can be divided by 12 positive divisors. The sum of these divisors (counting 20187644) is 1, the average is 0.083333333333333.

Base conversion 20187644

Base System Value
2 Binary 1001101000000100111111100
3 Ternary 1101222122020112
4 Quaternary 1031000213330
5 Quinary 20132001034
6 Senary 2000405152
8 Octal 115004774
10 Decimal 20187644
12 Duodecimal 69167b8
16 Hexadecimal 13409fc
20 Vigesimal 663924
36 Base36 c0ovw

Cryptographic Hash Functions

md5 01ac54dcaa995123a5f02f250398c60e
sha1 6c4b103cd4bce4847175d70ffc4a266622a5557f
sha256 df0be496b9aee202651ea2cb8d4680e1fb6e05afab4aa65b260a8872427066bd
sha512 e099b7fc54d9b17a4f756ee0a7051b6a3ed7885db8052133778a5bcc536ddbda8ffec9d8d68f142825dbcda74b0e9cf6345861f4f449c2f45c8c2b5c9ccfdd64
ripemd-160 cf51df26075fd7d525269063aac82fb5028a3e56

20187644 as geometric shapes

Circle

Radius = n
Diameter 40375288
Circumference 126842708.16737
Area 1.2803277182394E+15

Sphere

Radius = n
Volume 3.4462400238866E+22
Surface area 5.1213108729576E+15
Circumference 126842708.16737

Square

Length = n
Perimeter 80750576
Area 407540970270736
Diagonal 28549639.93716

Cube

Length = n
Surface area 2445245821624416
Volume 8.2272920232402E+21
Space diagonal 34966025.093113

Equilateral Triangle

Length = n
Perimeter 60562932
Area 1.7647041666871E+14
Altitude 17483012.546556

Triangular Pyramid

Length = n
Surface area 1.7647041666871E+14
Volume 9.6959566340586E+20
Height 9516546.6457199