20181369 (number)

20181369 is an odd 8-digits composite number following 20181368 and preceding 20181370. In scientific notation, it is written as 2.0181369 × 10^7. The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors. There are 12419280 positive integers (up to 20181369) that are relatively prime to 20181369.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0181369 × 10^7
Engineering notation 2.0181369 × 10^6

Prime Factorization of 20181369

Prime Factorization 39 × 517471

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20181369
Product of the distinct prime numbers

The prime factorization of 20181369 is 39 × 517471. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20181369)

Multiplication

n×y
n×2 40362738
n×3 60544107
n×4 80725476
n×5 100906845

Division

n÷y
n÷2 10090684.5
n÷3 6727123
n÷3 5045342.25
n÷5 4036273.8

Exponentiation

ny
n2 407287654714161
n3 8.2196224489311E+21
n4 1.6588323368256E+29
n5 3.347750749861E+36

Nth Root

y√n
2√n 4492.3678611619
3√n 272.25981248378
4√n 67.025128579973
5√n 28.906141523547

Divisors of 20181369

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20181368
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20181369 can be divided by 4 positive divisors. The sum of these divisors (counting 20181369) is 1, the average is 0.25.

Base conversion 20181369

Base System Value
2 Binary 1001100111111000101111001
3 Ternary 1101222022122010
4 Quaternary 1030333011321
5 Quinary 20131300434
6 Senary 2000320133
8 Octal 114770571
10 Decimal 20181369
12 Duodecimal 6913049
16 Hexadecimal 133f179
20 Vigesimal 662d89
36 Base36 c0k1l

Cryptographic Hash Functions

md5 0554978993270dc512b6c014a4224da7
sha1 ce51a80c3f45b7605a13db14bd4797b2ce4cdfb8
sha256 19d0d34281fb79f4f49923a4cb6f6391f22049a1980f9e881692f6af8d47ffc4
sha512 e28456f1d4e1621cab68871238c703b00c169b618e78c8df52d52ffe207703c5a672760723ab701633cf6ad043a21b5c5a587b5331dd99f962b1ec059f891e69
ripemd-160 ed1c4c021e89c083db7ed86d78d7cff272d1e8c2

20181369 as geometric shapes

Circle

Radius = n
Diameter 40362738
Circumference 126803281.17957
Area 1.2795319039478E+15

Sphere

Radius = n
Volume 3.4430274001125E+22
Surface area 5.1181276157913E+15
Circumference 126803281.17957

Square

Length = n
Perimeter 80725476
Area 407287654714161
Diagonal 28540765.747056

Cube

Length = n
Surface area 2443725928284966
Volume 8.2196224489311E+21
Space diagonal 34955156.474296

Equilateral Triangle

Length = n
Perimeter 60544107
Area 1.7636072781512E+14
Altitude 17477578.237148

Triangular Pyramid

Length = n
Surface area 1.7636072781512E+14
Volume 9.6869179540539E+20
Height 9513588.582352