18286989 (number)

18286989 is an odd 8-digits composite number following 18286988 and preceding 18286990. In scientific notation, it is written as 1.8286989 × 10^7. The sum of its digits is 51. It has a total of 3 prime factors and 8 positive divisors. There are 10449696 positive integers (up to 18286989) that are relatively prime to 18286989.

Interesting facts

Basic properties

Name

Name eighteen million two hundred eighty-six thousand nine hundred eighty-nine

Notation

Scientific notation 1.8286989 × 10^7
Engineering notation 1.8286989 × 10^6

Prime Factorization of 18286989

Prime Factorization 3 × 7 × 870809

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18286989
Product of the distinct prime numbers

The prime factorization of 18286989 is 3 × 7 × 870809. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18286989)

Multiplication

n×y
n×2 36573978
n×3 54860967
n×4 73147956
n×5 91434945

Division

n÷y
n÷2 9143494.5
n÷3 6095663
n÷3 4571747.25
n÷5 3657397.8

Exponentiation

ny
n2 334413966686121
n3 6.1154245302355E+21
n4 1.1183270111475E+29
n5 2.0450833751256E+36

Nth Root

y√n
2√n 4276.3289162552
3√n 263.45962412464
4√n 65.39364584006
5√n 28.341866023845

Divisors of 18286989

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 -18286988
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 18286989 can be divided by 8 positive divisors. The sum of these divisors (counting 18286989) is 1, the average is 0.125.

Base conversion 18286989

Base System Value
2 Binary 1000101110000100110001101
3 Ternary 1021102002000220
4 Quaternary 1011300212031
5 Quinary 14140140424
6 Senary 1451541553
8 Octal 105604615
10 Decimal 18286989
12 Duodecimal 615a8b9
16 Hexadecimal 117098d
20 Vigesimal 5e5h99
36 Base36 avybx

Cryptographic Hash Functions

md5 af51ce61fc1e4ef6503fb5a856c9b352
sha1 61c6a2bdc9c2ea238cf666872eea62c3323c4947
sha256 cd1128c0fd37c54afb6f0a76baa290ede52548f43da2adce93fae7405f32b097
sha512 9fbc8aa2442b750939653db52f2d495a565407fde9e9c3c951d480d96628f1bf2f77b798f3cfc35881f8d04ff494bd170ac2bd85b39980a3eda4b621a63098e2
ripemd-160 23d4595dfd827fe06268260cd7fbcbbd9085e751

18286989 as geometric shapes

Circle

Radius = n
Diameter 36573978
Circumference 114900540.59735
Area 1.0505924609989E+15

Sphere

Radius = n
Volume 2.5616230370361E+22
Surface area 4.2023698439958E+15
Circumference 114900540.59735

Square

Length = n
Perimeter 73147956
Area 334413966686121
Diagonal 25861707.858768

Cube

Length = n
Surface area 2006483800116726
Volume 6.1154245302355E+21
Space diagonal 31673994.065453

Equilateral Triangle

Length = n
Perimeter 54860967
Area 1.4480549526525E+14
Altitude 15836997.032727

Triangular Pyramid

Length = n
Surface area 1.4480549526525E+14
Volume 7.2070969252734E+20
Height 8620569.2862559