20181444 (number)

20181444 is an even 8-digits composite number following 20181443 and preceding 20181445. In scientific notation, it is written as 2.0181444 × 10^7. The sum of its digits is 24. It has a total of 4 prime factors and 12 positive divisors. There are 6727144 positive integers (up to 20181444) that are relatively prime to 20181444.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0181444 × 10^7
Engineering notation 2.0181444 × 10^6

Prime Factorization of 20181444

Prime Factorization 2 × 2 × 3 × 1681787

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10090722
Product of the distinct prime numbers

The prime factorization of 20181444 is 2 × 2 × 3 × 1681787. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 4, 67, 76, 218, 464, 4687, 6232, 49129, 59621, 348562, 323453, 9646956, 7851972, 17117226, 60762853, 713695406, 20454562, 7593483830, 4332885419

Basic calculations (n = 20181444)

Multiplication

n×y
n×2 40362888
n×3 60544332
n×4 80725776
n×5 100907220

Division

n÷y
n÷2 10090722
n÷3 6727148
n÷3 5045361
n÷5 4036288.8

Exponentiation

ny
n2 407290681925136
n3 8.2197140889939E+21
n4 1.6588569958304E+29
n5 3.347812956536E+36

Nth Root

y√n
2√n 4492.376208645
3√n 272.26014974965
4√n 67.025190851239
5√n 28.906163008288

Divisors of 20181444

1, 2, 3, 4, 6, 12, 1681787, 3363574, 5045361, 6727148, 10090722, 20181444

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 -20181443
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 20181444 can be divided by 12 positive divisors. The sum of these divisors (counting 20181444) is 1, the average is 0.083333333333333.

Base conversion 20181444

Base System Value
2 Binary 1001100111111000111000100
3 Ternary 1101222022201220
4 Quaternary 1030333013010
5 Quinary 20131301234
6 Senary 2000320340
8 Octal 114770704
10 Decimal 20181444
12 Duodecimal 69130b0
16 Hexadecimal 133f1c4
20 Vigesimal 662dc4
36 Base36 c0k3o

Cryptographic Hash Functions

md5 641acb2c0878ea37f1b58f2df127d106
sha1 4d69670a6899b3dfc98e3ddd0c6569faa8dccfb7
sha256 98473d17a15b31069b9e3384b0e96c8486d0c6df813a93a071c688b6844744f8
sha512 4a605732b1e6a034f38a2a6e9958a795560466381241434624e83c95033f9ea31dcfe06a72233f4a9d1fb12f8fb35dc538c4dbd93c0800687b33c72bbf2a0adf
ripemd-160 c3be16d3bbaaa80177be8050fba84d82b052c596

20181444 as geometric shapes

Circle

Radius = n
Diameter 40362888
Circumference 126803752.41847
Area 1.2795414142116E+15

Sphere

Radius = n
Volume 3.4430657862123E+22
Surface area 5.1181656568463E+15
Circumference 126803752.41847

Square

Length = n
Perimeter 80725776
Area 407290681925136
Diagonal 28540871.813073

Cube

Length = n
Surface area 2443744091550816
Volume 8.2197140889939E+21
Space diagonal 34955286.378106

Equilateral Triangle

Length = n
Perimeter 60544332
Area 1.7636203863593E+14
Altitude 17477643.189053

Triangular Pyramid

Length = n
Surface area 1.7636203863593E+14
Volume 9.6870259529037E+20
Height 9513623.937691