18391372 (number)

18391372 is an even 8-digits composite number following 18391371 and preceding 18391373. In scientific notation, it is written as 1.8391372 × 10^7. The sum of its digits is 34. It has a total of 4 prime factors and 12 positive divisors. There are 9180416 positive integers (up to 18391372) that are relatively prime to 18391372.

Interesting facts

Basic properties

Name

Name eighteen million three hundred ninety-one thousand three hundred seventy-two

Notation

Scientific notation 1.8391372 × 10^7
Engineering notation 1.8391372 × 10^6

Prime Factorization of 18391372

Prime Factorization 2 × 2 × 659 × 6977

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 9195686
Product of the distinct prime numbers

The prime factorization of 18391372 is 2 × 2 × 659 × 6977. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 1, 69, 66, 206, 397, 6034, 3424, 73126, 68517, 688897, 986823, 5959216, 31100, 10682422, 95207161, 961766194, 732831348, 8042569232, 9892419879

Basic calculations (n = 18391372)

Multiplication

n×y
n×2 36782744
n×3 55174116
n×4 73565488
n×5 91956860

Division

n÷y
n÷2 9195686
n÷3 6130457.3333333
n÷3 4597843
n÷5 3678274.4

Exponentiation

ny
n2 338242564042384
n3 6.2207448215373E+21
n4 1.1440803212997E+29
n5 2.1041206786902E+36

Nth Root

y√n
2√n 4288.5162935449
3√n 263.95995336848
4√n 65.486764262291
5√n 28.374147744442

Divisors of 18391372

1, 2, 4, 659, 1318, 2636, 6977, 13954, 27908, 4597843, 9195686, 18391372

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 -18391371
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 18391372 can be divided by 12 positive divisors. The sum of these divisors (counting 18391372) is 1, the average is 0.083333333333333.

Base conversion 18391372

Base System Value
2 Binary 1000110001010000101001100
3 Ternary 1021121101012221
4 Quaternary 1012022011030
5 Quinary 14202010442
6 Senary 1454105124
8 Octal 106120514
10 Decimal 18391372
12 Duodecimal 61ab1a4
16 Hexadecimal 118a14c
20 Vigesimal 5eii8c
36 Base36 ay6vg

Cryptographic Hash Functions

md5 53485957f5973ed2792b61d2611fbef0
sha1 6678672c2e4579e24b6df6e4530eafca306774af
sha256 f175b78c922c3afb3102052547bb0beeaf2ddf76163013bbc6dbda541595806d
sha512 39ad1110296c4146b4b48645ffe27427336b14a746d22e5276e58881dde8637c383d928bff60972510a14eeeae79951d450ab476c06e1f558ef0da354e2a58d6
ripemd-160 7876cd8d4e65aa7a49801b8030cca70c6a81bcaf

18391372 as geometric shapes

Circle

Radius = n
Diameter 36782744
Circumference 115556398.32927
Area 1.0626203543269E+15

Sphere

Radius = n
Volume 2.6057394974931E+22
Surface area 4.2504814173077E+15
Circumference 115556398.32927

Square

Length = n
Perimeter 73565488
Area 338242564042384
Diagonal 26009327.713049

Cube

Length = n
Surface area 2029455384254304
Volume 6.2207448215373E+21
Space diagonal 31854790.7249

Equilateral Triangle

Length = n
Perimeter 55174116
Area 1.4646332655094E+14
Altitude 15927395.36245

Triangular Pyramid

Length = n
Surface area 1.4646332655094E+14
Volume 7.3312180789002E+20
Height 8669775.9043496