18289920 (number)

18289920 is an even 8-digits composite number following 18289919 and preceding 18289921. In scientific notation, it is written as 1.8289920 × 10^7. The sum of its digits is 39. It has a total of 10 prime factors and 36 positive divisors. There are 4423680 positive integers (up to 18289920) that are relatively prime to 18289920.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.8289920 × 10^7
Engineering notation 1.8289920 × 10^6

Prime Factorization of 18289920

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 165 × 433

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 10
Total number of prime factors
rad Radical 142890
Product of the distinct prime numbers

The prime factorization of 18289920 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 165 × 433. Since it has a total of 10 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18289920)

Multiplication

n×y
n×2 36579840
n×3 54869760
n×4 73159680
n×5 91449600

Division

n÷y
n÷2 9144960
n÷3 6096640
n÷3 4572480
n÷5 3657984

Exponentiation

ny
n2 334521173606400
n3 6.1183655035672E+21
n4 1.11904415591E+29
n5 2.0467228088062E+36

Nth Root

y√n
2√n 4276.6716030109
3√n 263.47369895687
4√n 65.396265971468
5√n 28.342774480498

Divisors of 18289920

36 divisors

τ Total Divisors 36
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18289919
Sum of the proper positive divisors of n
A Arithmetic Mean 0.027777777777778
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 36
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18289920 can be divided by 36 positive divisors. The sum of these divisors (counting 18289920) is 1, the average is 0.027777777777778.

Base conversion 18289920

Base System Value
2 Binary 1000101110001010100000000
3 Ternary 1021102020001110
4 Quaternary 1011301110000
5 Quinary 14140234140
6 Senary 1452003320
8 Octal 105612400
10 Decimal 18289920
12 Duodecimal 6160540
16 Hexadecimal 1171500
20 Vigesimal 5e64g0
36 Base36 aw0lc

Cryptographic Hash Functions

md5 dc3d3289d79fc73cd6edbf62dfb279d9
sha1 be90e39e33daa939fc17f505e831ba4d253caa44
sha256 179d3d473ba0633d7d2d01e5babd7d4ca8307160565fefaa51c4e4b5194198c5
sha512 c173bb5d32d09a023281c5804826dcf300b802119a942f630fa99d473eaa36d7badf0397b7d492d305c6345f155bc63e96685f676a7d9bd7e1f9e1f988d01d1c
ripemd-160 7ce28ede65f7974e5cfc2a8e819d04c653097997

18289920 as geometric shapes

Circle

Radius = n
Diameter 36579840
Circumference 114918956.61349
Area 1.0509292614721E+15

Sphere

Radius = n
Volume 2.5628549490645E+22
Surface area 4.2037170458884E+15
Circumference 114918956.61349

Square

Length = n
Perimeter 73159680
Area 334521173606400
Diagonal 25865852.918719

Cube

Length = n
Surface area 2007127041638400
Volume 6.1183655035672E+21
Space diagonal 31679070.70637

Equilateral Triangle

Length = n
Perimeter 54869760
Area 1.4485191722346E+14
Altitude 15839535.353185

Triangular Pyramid

Length = n
Surface area 1.4485191722346E+14
Volume 7.2105628955837E+20
Height 8621950.9729063