18388980 (number)

18388980 is an even 8-digits composite number following 18388979 and preceding 18388981. In scientific notation, it is written as 1.8388980 × 10^7. The sum of its digits is 45. It has a total of 5 prime factors and 24 positive divisors. There are 4903680 positive integers (up to 18388980) that are relatively prime to 18388980.

Interesting facts

Basic properties

Name

Name eighteen million three hundred eighty-eight thousand nine hundred eighty

Notation

Scientific notation 1.8388980 × 10^7
Engineering notation 1.8388980 × 10^6

Prime Factorization of 18388980

Prime Factorization 2 × 2 × 9 × 5 × 102161

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 9194490
Product of the distinct prime numbers

The prime factorization of 18388980 is 2 × 2 × 9 × 5 × 102161. Since it has a total of 5 prime factors.

Most popular turbo-numbers

5, 7, 61, 30, 320, 672, 3700, 6535, 65533, 54106, 678984, 184640, 925852, 8278484, 28091991, 2917989, 208614789, 882899183, 1675789212, 6263008563

Basic calculations (n = 18388980)

Multiplication

n×y
n×2 36777960
n×3 55166940
n×4 73555920
n×5 91944900

Division

n÷y
n÷2 9194490
n÷3 6129660
n÷3 4597245
n÷5 3677796

Exponentiation

ny
n2 338154585440400
n3 6.2183179085718E+21
n4 1.1434852365437E+29
n5 2.1027527145097E+36

Nth Root

y√n
2√n 4288.2374001447
3√n 263.9485092416
4√n 65.484634840127
5√n 28.373409632107

Divisors of 18388980

1, 2, 4, 5, 9, 10, 18, 20, 36, 45, 90, 180, 102161, 204322, 408644, 510805, 919449, 1021610, 1838898, 2043220, 3677796, 4597245, 9194490, 18388980

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18388979
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18388980 can be divided by 24 positive divisors. The sum of these divisors (counting 18388980) is 1, the average is 0.041666666666667.

Base conversion 18388980

Base System Value
2 Binary 1000110001001011111110100
3 Ternary 1021121020221100
4 Quaternary 1012021133310
5 Quinary 14201421410
6 Senary 1454050100
8 Octal 106113764
10 Decimal 18388980
12 Duodecimal 61a9930
16 Hexadecimal 11897f4
20 Vigesimal 5eic90
36 Base36 ay510

Cryptographic Hash Functions

md5 97ed273e5afa28dfa10e38caf4980871
sha1 594533c1fdaca1c731f1916d748984d8cfb352fc
sha256 680bb8ebc4434ce62ec019bf44aa06ee363708aadac4447f15bf31a4b48a3aab
sha512 d86629ff21da1746b30832bc15b85b2aeef20e8210f8e40f0fd9f0f6d0103d44bc920785ada348dab3eab0fb175f79174d685cb51581aef8cb776617c80e44f0
ripemd-160 73f16efffbda130dd316869054ab1438606ee409

18388980 as geometric shapes

Circle

Radius = n
Diameter 36777960
Circumference 115541368.95002
Area 1.0623439613973E+15

Sphere

Radius = n
Volume 2.6047229145673E+22
Surface area 4.2493758455891E+15
Circumference 115541368.95002

Square

Length = n
Perimeter 73555920
Area 338154585440400
Diagonal 26005944.914208

Cube

Length = n
Surface area 2028927512642400
Volume 6.2183179085718E+21
Space diagonal 31850647.659368

Equilateral Triangle

Length = n
Perimeter 55166940
Area 1.4642523069879E+14
Altitude 15925323.829684

Triangular Pyramid

Length = n
Surface area 1.4642523069879E+14
Volume 7.3283579345415E+20
Height 8668648.3047359