20181378 (number)

20181378 is an even 8-digits composite number following 20181377 and preceding 20181379. In scientific notation, it is written as 2.0181378 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 5766096 positive integers (up to 20181378) that are relatively prime to 20181378.

Interesting facts

Basic properties

Name

Name twenty million one hundred eighty-one thousand three hundred seventy-eight

Notation

Scientific notation 2.0181378 × 10^7
Engineering notation 2.0181378 × 10^6

Prime Factorization of 20181378

Prime Factorization 2 × 3 × 7 × 480509

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20181378
Product of the distinct prime numbers

The prime factorization of 20181378 is 2 × 3 × 7 × 480509. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20181378)

Multiplication

n×y
n×2 40362756
n×3 60544134
n×4 80725512
n×5 100906890

Division

n÷y
n÷2 10090689
n÷3 6727126
n÷3 5045344.5
n÷5 4036275.6

Exponentiation

ny
n2 407288017978884
n3 8.2196334457027E+21
n4 1.6588352958917E+29
n5 3.3477582146132E+36

Nth Root

y√n
2√n 4492.3688628607
3√n 272.25985295573
4√n 67.025136052534
5√n 28.906144101719

Divisors of 20181378

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20181377
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20181378 can be divided by 16 positive divisors. The sum of these divisors (counting 20181378) is 1, the average is 0.0625.

Base conversion 20181378

Base System Value
2 Binary 1001100111111000110000010
3 Ternary 1101222022122110
4 Quaternary 1030333012002
5 Quinary 20131301003
6 Senary 2000320150
8 Octal 114770602
10 Decimal 20181378
12 Duodecimal 6913056
16 Hexadecimal 133f182
20 Vigesimal 662d8i
36 Base36 c0k1u

Cryptographic Hash Functions

md5 88095f61db57e3cdc625c3ffe2e25e2c
sha1 8bcdcc71bfb10e39778b3500d46f5983a706497c
sha256 8847e9a9580a4e97ead4bcfed3789ad64a14bc332cb57e36630d367a9cee2792
sha512 33e45f1461801603f2779f67513199de730e94e7ac4c96cab03463b7658112ce498d26f18cefe12a0c255309a33fcd6f09ce47a2e5865f2949a563b54d16e9df
ripemd-160 ae3421fbeadaa6226870f6580f26ed323fa849e1

20181378 as geometric shapes

Circle

Radius = n
Diameter 40362756
Circumference 126803337.72824
Area 1.2795330451776E+15

Sphere

Radius = n
Volume 3.4430320064294E+22
Surface area 5.1181321807104E+15
Circumference 126803337.72824

Square

Length = n
Perimeter 80725512
Area 407288017978884
Diagonal 28540778.474978

Cube

Length = n
Surface area 2443728107873304
Volume 8.2196334457027E+21
Space diagonal 34955172.062753

Equilateral Triangle

Length = n
Perimeter 60544134
Area 1.7636088511336E+14
Altitude 17477586.031376

Triangular Pyramid

Length = n
Surface area 1.7636088511336E+14
Volume 9.6869309138735E+20
Height 9513592.8249927