18212909 (number)

18212909 is an odd 8-digits composite number following 18212908 and preceding 18212910. In scientific notation, it is written as 1.8212909 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 15283440 positive integers (up to 18212909) that are relatively prime to 18212909.

Interesting facts

Basic properties

Name

Name eighteen million two hundred twelve thousand nine hundred nine

Notation

Scientific notation 1.8212909 × 10^7
Engineering notation 1.8212909 × 10^6

Prime Factorization of 18212909

Prime Factorization 13 × 11 × 127363

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18212909
Product of the distinct prime numbers

The prime factorization of 18212909 is 13 × 11 × 127363. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 5, 7, 82, 623, 748, 9464, 6126, 57835, 38038, 85154, 585289, 41739, 2952085, 91206066, 97834993, 265196749, 197144074, 9329125614, 7616218834

Basic calculations (n = 18212909)

Multiplication

n×y
n×2 36425818
n×3 54638727
n×4 72851636
n×5 91064545

Division

n÷y
n÷2 9106454.5
n÷3 6070969.6666667
n÷3 4553227.25
n÷5 3642581.8

Exponentiation

ny
n2 331710054242281
n3 6.0414050322997E+21
n4 1.1003156008542E+29
n5 2.0039947909637E+36

Nth Root

y√n
2√n 4267.6584914916
3√n 263.1033871886
4√n 65.327318110355
5√n 28.318866328966

Divisors of 18212909

1, 11, 13, 143, 127363, 1400993, 1655719, 18212909

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 -18212908
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 18212909 can be divided by 8 positive divisors. The sum of these divisors (counting 18212909) is 1, the average is 0.125.

Base conversion 18212909

Base System Value
2 Binary 1000101011110100000101101
3 Ternary 1021021022102012
4 Quaternary 1011132200231
5 Quinary 14130303114
6 Senary 1450211005
8 Octal 105364055
10 Decimal 18212909
12 Duodecimal 6123a65
16 Hexadecimal 115e82d
20 Vigesimal 5dgc59
36 Base36 aud65

Cryptographic Hash Functions

md5 4667fc280fa2666523e50a1169047b15
sha1 96a43e81be1a8f38a790f058d8d32353895d76c7
sha256 1d9c6cf59daaaf08316b4ac872edab6838b5b3ad2f1f3cf01b9330eedc7b085c
sha512 9d8e46cac229bd75f766dade07c697747e3ce4fcaebc5a49679dd212dc0c1cf10a1fe9832f0613b59a021263e76f17b4a54223ce85135d4dd66e81a5df8a5d6b
ripemd-160 410be4342964288bccfe458df4ed45d9e5f6ae0a

18212909 as geometric shapes

Circle

Radius = n
Diameter 36425818
Circumference 114435082.2298
Area 1.0420978695294E+15

Sphere

Radius = n
Volume 2.5306178222444E+22
Surface area 4.1683914781177E+15
Circumference 114435082.2298

Square

Length = n
Perimeter 72851636
Area 331710054242281
Diagonal 25756942.918067

Cube

Length = n
Surface area 1990260325453686
Volume 6.0414050322997E+21
Space diagonal 31545683.741628

Equilateral Triangle

Length = n
Perimeter 54638727
Area 1.4363466683226E+14
Altitude 15772841.870814

Triangular Pyramid

Length = n
Surface area 1.4363466683226E+14
Volume 7.1198641103895E+20
Height 8585647.6393557