18081965 (number)

18081965 is an odd 8-digits composite number following 18081964 and preceding 18081966. In scientific notation, it is written as 1.8081965 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 12175360 positive integers (up to 18081965) that are relatively prime to 18081965.

Interesting facts

Basic properties

Name

Name eighteen million eighty-one thousand nine hundred sixty-five

Notation

Scientific notation 1.8081965 × 10^7
Engineering notation 1.8081965 × 10^6

Prime Factorization of 18081965

Prime Factorization 55 × 19339 × 17

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18081965
Product of the distinct prime numbers

The prime factorization of 18081965 is 55 × 19339 × 17. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18081965)

Multiplication

n×y
n×2 36163930
n×3 54245895
n×4 72327860
n×5 90409825

Division

n÷y
n÷2 9040982.5
n÷3 6027321.6666667
n÷3 4520491.25
n÷5 3616393

Exponentiation

ny
n2 326957458261225
n3 5.9120333167684E+21
n4 1.0690117951264E+29
n5 1.9329833864063E+36

Nth Root

y√n
2√n 4252.2893833793
3√n 262.47133171423
4√n 65.20958045701
5√n 28.278028305177

Divisors of 18081965

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 -18081964
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 18081965 can be divided by 8 positive divisors. The sum of these divisors (counting 18081965) is 1, the average is 0.125.

Base conversion 18081965

Base System Value
2 Binary 1000100111110100010101101
3 Ternary 1021000122210102
4 Quaternary 1010332202231
5 Quinary 14112110330
6 Senary 1443320445
8 Octal 104764255
10 Decimal 18081965
12 Duodecimal 6080125
16 Hexadecimal 113e8ad
20 Vigesimal 5d04i5
36 Base36 ark4t

Cryptographic Hash Functions

md5 ed3e4af7d370ba4586e2bb08bff0b55d
sha1 9afc4d017eeb6317c98e77e2079750f0fc93d016
sha256 7cea864a6be11ae5b3943f7086d0e58b1aabd801cbd3c7528c6064fb726440f7
sha512 7c95f04fe3606e04f88cd79aa4ae0dadc755d484fcf09a1b16bfcc29d68f0b1e8d3a48df303d19d547dde1b8c7e3bcf4a8ce3fd38e074fb2abde580692b1e951
ripemd-160 c21e5ee29afcf23d43dc4c83eb2a8e0783b2cfa7

18081965 as geometric shapes

Circle

Radius = n
Diameter 36163930
Circumference 113612336.81294
Area 1.0271671489099E+15

Sphere

Radius = n
Volume 2.476426724765E+22
Surface area 4.1086685956394E+15
Circumference 113612336.81294

Square

Length = n
Perimeter 72327860
Area 326957458261225
Diagonal 25571760.137356

Cube

Length = n
Surface area 1961744749567350
Volume 5.9120333167684E+21
Space diagonal 31318882.080682

Equilateral Triangle

Length = n
Perimeter 54245895
Area 1.4157673240551E+14
Altitude 15659441.040341

Triangular Pyramid

Length = n
Surface area 1.4157673240551E+14
Volume 6.9673980814796E+20
Height 8523920.0457852