18669969 (number)

18669969 is an odd 8-digits composite number following 18669968 and preceding 18669970. In scientific notation, it is written as 1.8669969 × 10^7. The sum of its digits is 54. It has a total of 5 prime factors and 24 positive divisors. There are 12130560 positive integers (up to 18669969) that are relatively prime to 18669969.

Interesting facts

Basic properties

Name

Name eighteen million six hundred sixty-nine thousand nine hundred sixty-nine

Notation

Scientific notation 1.8669969 × 10^7
Engineering notation 1.8669969 × 10^6

Prime Factorization of 18669969

Prime Factorization 3 × 3 × 73 × 181 × 157

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 6223323
Product of the distinct prime numbers

The prime factorization of 18669969 is 3 × 3 × 73 × 181 × 157. Since it has a total of 5 prime factors.

Most popular turbo-numbers

6, 4, 99, 71, 15, 58, 7623, 4340, 48144, 13974, 648381, 185576, 773487, 6312325, 78730160, 88062627, 527939314, 266419834, 5043649231, 1449302153

Basic calculations (n = 18669969)

Multiplication

n×y
n×2 37339938
n×3 56009907
n×4 74679876
n×5 93349845

Division

n÷y
n÷2 9334984.5
n÷3 6223323
n÷3 4667492.25
n÷5 3733993.8

Exponentiation

ny
n2 348567742460961
n3 6.5077489461461E+21
n4 1.2149947108433E+29
n5 2.2683913586609E+36

Nth Root

y√n
2√n 4320.8759528596
3√n 265.28612266744
4√n 65.733370162038
5√n 28.459595254948

Divisors of 18669969

1, 3, 9, 73, 157, 181, 219, 471, 543, 657, 1413, 1629, 11461, 13213, 28417, 34383, 39639, 85251, 103149, 118917, 255753, 2074441, 6223323, 18669969

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 -18669968
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 18669969 can be divided by 24 positive divisors. The sum of these divisors (counting 18669969) is 1, the average is 0.041666666666667.

Base conversion 18669969

Base System Value
2 Binary 1000111001110000110010001
3 Ternary 1022010112101100
4 Quaternary 1013032012101
5 Quinary 14234414334
6 Senary 1504055013
8 Octal 107160621
10 Decimal 18669969
12 Duodecimal 6304469
16 Hexadecimal 11ce191
20 Vigesimal 5gdei9
36 Base36 b45u9

Cryptographic Hash Functions

md5 b1a60c39c15abcffc703bec420f01765
sha1 3fe411ccbaa9603797c7a7843dd14438f4ac76b6
sha256 edbaa764b45cfef6bf359bc2d2c9f130783db464f75e28d494e1b553879e195f
sha512 7459c00e6a802818cf696a0ab117855558b5a25cb5d920e6c01af34c4a249084a56cc84cf62bb13d897709b103d40969a9f2963e0477906b87d6b5d02b2fc5b2
ripemd-160 ca2710d61b4c88529797aa46fe769f6a8df9b29a

18669969 as geometric shapes

Circle

Radius = n
Diameter 37339938
Circumference 117306874.9063
Area 1.0950578589937E+15

Sphere

Radius = n
Volume 2.7259595040826E+22
Surface area 4.3802314359749E+15
Circumference 117306874.9063

Square

Length = n
Perimeter 74679876
Area 348567742460961
Diagonal 26403323.368885

Cube

Length = n
Surface area 2091406454765766
Volume 6.5077489461461E+21
Space diagonal 32337334.883736

Equilateral Triangle

Length = n
Perimeter 56009907
Area 1.5093425995549E+14
Altitude 16168667.441868

Triangular Pyramid

Length = n
Surface area 1.5093425995549E+14
Volume 7.6694556834659E+20
Height 8801107.7896284