18390969 (number)

18390969 is an odd 8-digits composite number following 18390968 and preceding 18390970. In scientific notation, it is written as 1.8390969 × 10^7. The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors. There are 12260484 positive integers (up to 18390969) that are relatively prime to 18390969.

Interesting facts

Basic properties

Name

Name eighteen million three hundred ninety thousand nine hundred sixty-nine

Notation

Scientific notation 1.8390969 × 10^7
Engineering notation 1.8390969 × 10^6

Prime Factorization of 18390969

Prime Factorization 27 × 9 × 75683

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18390969
Product of the distinct prime numbers

The prime factorization of 18390969 is 27 × 9 × 75683. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18390969)

Multiplication

n×y
n×2 36781938
n×3 55172907
n×4 73563876
n×5 91954845

Division

n÷y
n÷2 9195484.5
n÷3 6130323
n÷3 4597742.25
n÷5 3678193.8

Exponentiation

ny
n2 338227740758961
n3 6.2203358952381E+21
n4 1.1439800461891E+29
n5 2.1038901566082E+36

Nth Root

y√n
2√n 4288.4693073403
3√n 263.95802535139
4√n 65.486405515499
5√n 28.374023393939

Divisors of 18390969

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 -18390968
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 18390969 can be divided by 8 positive divisors. The sum of these divisors (counting 18390969) is 1, the average is 0.125.

Base conversion 18390969

Base System Value
2 Binary 1000110001001111110111001
3 Ternary 1021121100200000
4 Quaternary 1012021332321
5 Quinary 14202002334
6 Senary 1454103213
8 Octal 106117671
10 Decimal 18390969
12 Duodecimal 61aab09
16 Hexadecimal 1189fb9
20 Vigesimal 5eih89
36 Base36 ay6k9

Cryptographic Hash Functions

md5 b63799b12748703d74bf51171258b30d
sha1 0d23df538f6f5abd53577d2609ffd83d25321e59
sha256 edbe5924c3d3a1245cd610824bdb079ef5043d4f079094b1588fb53de4a296da
sha512 5323d3ad01eaaf895b14da14639392b8638d78d2b142b2e7389cbb4f2b735870b50149dde200669b56ab3e761141eab768adb01d98b671694448afd61d15fe39
ripemd-160 e6546613fd020914dcc67ffec81fd57924258f68

18390969 as geometric shapes

Circle

Radius = n
Diameter 36781938
Circumference 115553866.2056
Area 1.0625737856086E+15

Sphere

Radius = n
Volume 2.6055682068454E+22
Surface area 4.2502951424345E+15
Circumference 115553866.2056

Square

Length = n
Perimeter 73563876
Area 338227740758961
Diagonal 26008757.784983

Cube

Length = n
Surface area 2029366444553766
Volume 6.2203358952381E+21
Space diagonal 31854092.708424

Equilateral Triangle

Length = n
Perimeter 55172907
Area 1.4645690788094E+14
Altitude 15927046.354212

Triangular Pyramid

Length = n
Surface area 1.4645690788094E+14
Volume 7.3307361546349E+20
Height 8669585.9283277