18389911 (number)

18389911 is an odd 8-digits composite number following 18389910 and preceding 18389912. In scientific notation, it is written as 1.8389911 × 10^7. The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors. There are 18249400 positive integers (up to 18389911) that are relatively prime to 18389911.

Interesting facts

Basic properties

Name

Name eighteen million three hundred eighty-nine thousand nine hundred eleven

Notation

Scientific notation 1.8389911 × 10^7
Engineering notation 1.8389911 × 10^6

Prime Factorization of 18389911

Prime Factorization 131 × 140381

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 18389911
Product of the distinct prime numbers

The prime factorization of 18389911 is 131 × 140381. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18389911)

Multiplication

n×y
n×2 36779822
n×3 55169733
n×4 73559644
n×5 91949555

Division

n÷y
n÷2 9194955.5
n÷3 6129970.3333333
n÷3 4597477.75
n÷5 3677982.2

Exponentiation

ny
n2 338188826587921
n3 6.2192624221463E+21
n4 1.1437168242891E+29
n5 2.103285060788E+36

Nth Root

y√n
2√n 4288.3459515296
3√n 263.95296357449
4√n 65.485463665836
5√n 28.373696924925

Divisors of 18389911

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 -18389910
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 18389911 can be divided by 4 positive divisors. The sum of these divisors (counting 18389911) is 1, the average is 0.25.

Base conversion 18389911

Base System Value
2 Binary 1000110001001101110010111
3 Ternary 1021121022012211
4 Quaternary 1012021232113
5 Quinary 14201434121
6 Senary 1454054251
8 Octal 106115627
10 Decimal 18389911
12 Duodecimal 61aa387
16 Hexadecimal 1189b97
20 Vigesimal 5eiefb
36 Base36 ay5qv

Cryptographic Hash Functions

md5 f56a53c8cae006018de3e3711aa65dd0
sha1 a1064223c2431d4556fdb1dde3f439dcb68ada1f
sha256 d77be0c818ee415a1027945f827662e9b43bb5478918a53f2cc35e7fe9887a36
sha512 673326322e9242c8376a6dde43e4e5bc1c786322b47d1765c87e16ed461b9397bdd19234551e799ef152529cb912b7b59827f846ce2ed7c1e18815952587d259
ripemd-160 56eb70c9bb5a726a3b35ce976cb85cb90f880070

18389911 as geometric shapes

Circle

Radius = n
Diameter 36779822
Circumference 115547218.59554
Area 1.0624515331348E+15

Sphere

Radius = n
Volume 2.6051185514883E+22
Surface area 4.2498061325391E+15
Circumference 115547218.59554

Square

Length = n
Perimeter 73559644
Area 338188826587921
Diagonal 26007261.547034

Cube

Length = n
Surface area 2029132959527526
Volume 6.2192624221463E+21
Space diagonal 31852260.19867

Equilateral Triangle

Length = n
Perimeter 55169733
Area 1.4644005755059E+14
Altitude 15926130.099335

Triangular Pyramid

Length = n
Surface area 1.4644005755059E+14
Volume 7.3294710544639E+20
Height 8669087.1823447