18081966 (number)

18081966 is an even 8-digits composite number following 18081965 and preceding 18081967. In scientific notation, it is written as 1.8081966 × 10^7. The sum of its digits is 39. It has a total of 5 prime factors and 32 positive divisors. There are 5078016 positive integers (up to 18081966) that are relatively prime to 18081966.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.8081966 × 10^7
Engineering notation 1.8081966 × 10^6

Prime Factorization of 18081966

Prime Factorization 2 × 3 × 7 × 59 × 7297

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 18081966
Product of the distinct prime numbers

The prime factorization of 18081966 is 2 × 3 × 7 × 59 × 7297. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18081966)

Multiplication

n×y
n×2 36163932
n×3 54245898
n×4 72327864
n×5 90409830

Division

n÷y
n÷2 9040983
n÷3 6027322
n÷3 4520491.5
n÷5 3616393.2

Exponentiation

ny
n2 326957494425156
n3 5.9120342976409E+21
n4 1.0690120316078E+29
n5 1.9329839209122E+36

Nth Root

y√n
2√n 4252.289500963
3√n 262.47133655277
4√n 65.209581358593
5√n 28.278028617953

Divisors of 18081966

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18081965
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18081966 can be divided by 32 positive divisors. The sum of these divisors (counting 18081966) is 1, the average is 0.03125.

Base conversion 18081966

Base System Value
2 Binary 1000100111110100010101110
3 Ternary 1021000122210110
4 Quaternary 1010332202232
5 Quinary 14112110331
6 Senary 1443320450
8 Octal 104764256
10 Decimal 18081966
12 Duodecimal 6080126
16 Hexadecimal 113e8ae
20 Vigesimal 5d04i6
36 Base36 ark4u

Cryptographic Hash Functions

md5 a4771b7ed029cea0ab82284daea14f38
sha1 2a512bc7eebaf2853c9baee23bc79a9c9901c7f8
sha256 ac4f0947ef13587932d1dfa232bcccbde81f13839a40df851c570bc4c48fe54d
sha512 4b5553448b7cbba90d5b93ccc06441a4a178444958857c0769fcd76f785daaecb13b3d8383e2732d2ecda49470c766c8c49e8708be648004f6cb87f8dbb16ab7
ripemd-160 fc21fced3c067ede49715085675b71b1b4a68a50

18081966 as geometric shapes

Circle

Radius = n
Diameter 36163932
Circumference 113612343.09612
Area 1.0271672625222E+15

Sphere

Radius = n
Volume 2.4764271356319E+22
Surface area 4.1086690500888E+15
Circumference 113612343.09612

Square

Length = n
Perimeter 72327864
Area 326957494425156
Diagonal 25571761.551569

Cube

Length = n
Surface area 1961744966550936
Volume 5.9120342976409E+21
Space diagonal 31318883.812733

Equilateral Triangle

Length = n
Perimeter 54245898
Area 1.4157674806495E+14
Altitude 15659441.906366

Triangular Pyramid

Length = n
Surface area 1.4157674806495E+14
Volume 6.9673992374488E+20
Height 8523920.5171897