18085945 (number)

18085945 is an odd 8-digits composite number following 18085944 and preceding 18085946. In scientific notation, it is written as 1.8085945 × 10^7. The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors. There are 14453040 positive integers (up to 18085945) that are relatively prime to 18085945.

Interesting facts

Basic properties

Name

Name eighteen million eighty-five thousand nine hundred forty-five

Notation

Scientific notation 1.8085945 × 10^7
Engineering notation 1.8085945 × 10^6

Prime Factorization of 18085945

Prime Factorization 5 × 2459 × 1471

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18085945
Product of the distinct prime numbers

The prime factorization of 18085945 is 5 × 2459 × 1471. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18085945)

Multiplication

n×y
n×2 36171890
n×3 54257835
n×4 72343780
n×5 90429725

Division

n÷y
n÷2 9042972.5
n÷3 6028648.3333333
n÷3 4521486.25
n÷5 3617189

Exponentiation

ny
n2 327101406543025
n3 5.9159380481598E+21
n4 1.0699533016243E+29
n5 1.9351116565745E+36

Nth Root

y√n
2√n 4252.7573408319
3√n 262.49058771996
4√n 65.213168461837
5√n 28.279273044285

Divisors of 18085945

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 -18085944
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 18085945 can be divided by 8 positive divisors. The sum of these divisors (counting 18085945) is 1, the average is 0.125.

Base conversion 18085945

Base System Value
2 Binary 1000100111111100000111001
3 Ternary 1021000212020211
4 Quaternary 1010333200321
5 Quinary 14112222240
6 Senary 1443351121
8 Octal 104774071
10 Decimal 18085945
12 Duodecimal 60824a1
16 Hexadecimal 113f839
20 Vigesimal 5d0eh5
36 Base36 arn7d

Cryptographic Hash Functions

md5 ed09a8660902ee3f1217dfdabc53b2e7
sha1 47f26af9f53ebbe7092f940edeaaf18871a5b271
sha256 e2b94d608b3df28a36922875311672f31303be485fb73edf97d1b766fcd851ad
sha512 99254491bad33b7d06cb5eeffb7b6cadf0d0677bd26dc236b9540c6fd15084bedc5f28459978a65fefd451b56ad6e955fab3e80ec57baacbf6fddceff996208e
ripemd-160 bc68376a9928befa87ce76683d2c4cb5606ae78d

18085945 as geometric shapes

Circle

Radius = n
Diameter 36171890
Circumference 113637343.89046
Area 1.0276193757745E+15

Sphere

Radius = n
Volume 2.4780623348255E+22
Surface area 4.1104775030978E+15
Circumference 113637343.89046

Square

Length = n
Perimeter 72343780
Area 327101406543025
Diagonal 25577388.707334

Cube

Length = n
Surface area 1962608439258150
Volume 5.9159380481598E+21
Space diagonal 31325775.642896

Equilateral Triangle

Length = n
Perimeter 54257835
Area 1.4163906383994E+14
Altitude 15662887.821448

Triangular Pyramid

Length = n
Surface area 1.4163906383994E+14
Volume 6.9719998515555E+20
Height 8525796.235778