20181368 (number)

20181368 is an even 8-digits composite number following 20181367 and preceding 20181369. In scientific notation, it is written as 2.0181368 × 10^7. The sum of its digits is 29. It has a total of 4 prime factors and 8 positive divisors. There are 10090680 positive integers (up to 20181368) that are relatively prime to 20181368.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0181368 × 10^7
Engineering notation 2.0181368 × 10^6

Prime Factorization of 20181368

Prime Factorization 2 × 2 × 2 × 2522671

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 5045342
Product of the distinct prime numbers

The prime factorization of 20181368 is 2 × 2 × 2 × 2522671. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20181368)

Multiplication

n×y
n×2 40362736
n×3 60544104
n×4 80725472
n×5 100906840

Division

n÷y
n÷2 10090684
n÷3 6727122.6666667
n÷3 5045342
n÷5 4036273.6

Exponentiation

ny
n2 407287614351424
n3 8.2196212270682E+21
n4 1.6588320080407E+29
n5 3.3477499204449E+36

Nth Root

y√n
2√n 4492.367749862
3√n 272.2598079869
4√n 67.025127749688
5√n 28.906141237084

Divisors of 20181368

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 -20181367
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 20181368 can be divided by 8 positive divisors. The sum of these divisors (counting 20181368) is 1, the average is 0.125.

Base conversion 20181368

Base System Value
2 Binary 1001100111111000101111000
3 Ternary 1101222022122002
4 Quaternary 1030333011320
5 Quinary 20131300433
6 Senary 2000320132
8 Octal 114770570
10 Decimal 20181368
12 Duodecimal 6913048
16 Hexadecimal 133f178
20 Vigesimal 662d88
36 Base36 c0k1k

Cryptographic Hash Functions

md5 21de54bf6da2af7bb3da507fe8d123c3
sha1 47f6ed174a616f98e2cad3bb414ba6ec0ab70734
sha256 945634dcb9c1befdd0cad3eab106497db5ea1afaf0ae631efa00c06fd13b2773
sha512 369e59818fd3b24ded31ce8468d6d2dae48dea7271c77b375221dd8a9a3afebe5ae3c8d7149f0c149e553fff69336e80af8b55baafd32a5829392e6735a0a586
ripemd-160 bb72155deef58277ed217071412c5071782f28e9

20181368 as geometric shapes

Circle

Radius = n
Diameter 40362736
Circumference 126803274.89638
Area 1.2795317771445E+15

Sphere

Radius = n
Volume 3.4430268882997E+22
Surface area 5.1181271085782E+15
Circumference 126803274.89638

Square

Length = n
Perimeter 80725472
Area 407287614351424
Diagonal 28540764.332842

Cube

Length = n
Surface area 2443725686108544
Volume 8.2196212270682E+21
Space diagonal 34955154.742245

Equilateral Triangle

Length = n
Perimeter 60544104
Area 1.7636071033755E+14
Altitude 17477577.371122

Triangular Pyramid

Length = n
Surface area 1.7636071033755E+14
Volume 9.6869165140747E+20
Height 9513588.1109475