18391312 (number)

18391312 is an even 8-digits composite number following 18391311 and preceding 18391313. In scientific notation, it is written as 1.8391312 × 10^7. The sum of its digits is 28. It has a total of 5 prime factors and 10 positive divisors. There are 9195648 positive integers (up to 18391312) that are relatively prime to 18391312.

Interesting facts

Basic properties

Name

Name eighteen million three hundred ninety-one thousand three hundred twelve

Notation

Scientific notation 1.8391312 × 10^7
Engineering notation 1.8391312 × 10^6

Prime Factorization of 18391312

Prime Factorization 2 × 2 × 2 × 2 × 1149457

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 2298914
Product of the distinct prime numbers

The prime factorization of 18391312 is 2 × 2 × 2 × 2 × 1149457. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18391312)

Multiplication

n×y
n×2 36782624
n×3 55173936
n×4 73565248
n×5 91956560

Division

n÷y
n÷2 9195656
n÷3 6130437.3333333
n÷3 4597828
n÷5 3678262.4

Exponentiation

ny
n2 338240357081344
n3 6.2206839380744E+21
n4 1.1440653915852E+29
n5 2.1040863565045E+36

Nth Root

y√n
2√n 4288.5092981128
3√n 263.95966632057
4√n 65.486710851232
5√n 28.374129230858

Divisors of 18391312

10 divisors

τ Total Divisors 10
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18391311
Sum of the proper positive divisors of n
A Arithmetic Mean 0.1
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 10
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18391312 can be divided by 10 positive divisors. The sum of these divisors (counting 18391312) is 1, the average is 0.1.

Base conversion 18391312

Base System Value
2 Binary 1000110001010000100010000
3 Ternary 1021121101010201
4 Quaternary 1012022010100
5 Quinary 14202010222
6 Senary 1454104544
8 Octal 106120420
10 Decimal 18391312
12 Duodecimal 61ab154
16 Hexadecimal 118a110
20 Vigesimal 5eii5c
36 Base36 ay6ts

Cryptographic Hash Functions

md5 f47928a8937039b537c811c86b53f8fd
sha1 36bebe49f060e1f3ab910d40f59b2c7f419b52df
sha256 c24c9f218a0d158e0e35a7dde3b0d01048b5f9785c46d4b4dbf60783900d48df
sha512 a13c7e23373f7e616d6a0a2ae9e4ebe97d7f9f70bec1f406606af6571d852e6227441e37ac11617933d7d9fb1b37e5d407ad894cd6f6dbc551df95c61ba5e659
ripemd-160 0062c79e418830a8781ccb213f8a37a383cc5d3c

18391312 as geometric shapes

Circle

Radius = n
Diameter 36782624
Circumference 115556021.33816
Area 1.0626134209543E+15

Sphere

Radius = n
Volume 2.6057139946878E+22
Surface area 4.2504536838174E+15
Circumference 115556021.33816

Square

Length = n
Perimeter 73565248
Area 338240357081344
Diagonal 26009242.860235

Cube

Length = n
Surface area 2029442142488064
Volume 6.2206839380744E+21
Space diagonal 31854686.801851

Equilateral Triangle

Length = n
Perimeter 55173936
Area 1.4646237090878E+14
Altitude 15927343.400926

Triangular Pyramid

Length = n
Surface area 1.4646237090878E+14
Volume 7.3311463270511E+20
Height 8669747.6200784