18388970 (number)

18388970 is an even 8-digits composite number following 18388969 and preceding 18388971. In scientific notation, it is written as 1.8388970 × 10^7. The sum of its digits is 44. It has a total of 4 prime factors and 16 positive divisors. There are 7344384 positive integers (up to 18388970) that are relatively prime to 18388970.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.8388970 × 10^7
Engineering notation 1.8388970 × 10^6

Prime Factorization of 18388970

Prime Factorization 2 × 5 × 1049 × 1753

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 18388970
Product of the distinct prime numbers

The prime factorization of 18388970 is 2 × 5 × 1049 × 1753. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18388970)

Multiplication

n×y
n×2 36777940
n×3 55166910
n×4 73555880
n×5 91944850

Division

n÷y
n÷2 9194485
n÷3 6129656.6666667
n÷3 4597242.5
n÷5 3677794

Exponentiation

ny
n2 338154217660900
n3 6.2183077639398E+21
n4 1.1434827492186E+29
n5 2.1027469970898E+36

Nth Root

y√n
2√n 4288.2362341643
3√n 263.94846139618
4√n 65.484625937424
5√n 28.373406546192

Divisors of 18388970

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18388969
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18388970 can be divided by 16 positive divisors. The sum of these divisors (counting 18388970) is 1, the average is 0.0625.

Base conversion 18388970

Base System Value
2 Binary 1000110001001011111101010
3 Ternary 1021121020220222
4 Quaternary 1012021133222
5 Quinary 14201421340
6 Senary 1454050042
8 Octal 106113752
10 Decimal 18388970
12 Duodecimal 61a9922
16 Hexadecimal 11897ea
20 Vigesimal 5eic8a
36 Base36 ay50q

Cryptographic Hash Functions

md5 124b14e9b67d622bbee50147cc7d8a49
sha1 e89ce4d59f3c69f37ead8557727992b6a3800b3a
sha256 96622381bfe6285b074250fbe0409f66cac2d016bd440ad4c6be587d870db57f
sha512 cc52eccc1bacdb9d08e208b3a7904ac708ef2606e5f170c1c6771b956eeb4a7b12b9f4e2849de20fe21773b40951d9a970c9a3c98cdc1a755e5cab3dbae56834
ripemd-160 cc8ccba9618f7e38e7a389e2ea54c671a78b2557

18388970 as geometric shapes

Circle

Radius = n
Diameter 36777940
Circumference 115541306.11817
Area 1.0623428059839E+15

Sphere

Radius = n
Volume 2.6047186651938E+22
Surface area 4.2493712239355E+15
Circumference 115541306.11817

Square

Length = n
Perimeter 73555880
Area 338154217660900
Diagonal 26005930.772072

Cube

Length = n
Surface area 2028925305965400
Volume 6.2183077639398E+21
Space diagonal 31850630.33886

Equilateral Triangle

Length = n
Perimeter 55166910
Area 1.464250714456E+14
Altitude 15925315.16943

Triangular Pyramid

Length = n
Surface area 1.464250714456E+14
Volume 7.3283459789779E+20
Height 8668643.5906907