18421946 (number)

18421946 is an even 8-digits composite number following 18421945 and preceding 18421947. In scientific notation, it is written as 1.8421946 × 10^7. The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors. There are 9210972 positive integers (up to 18421946) that are relatively prime to 18421946.

Interesting facts

Basic properties

Name

Name eighteen million four hundred twenty-one thousand nine hundred forty-six

Notation

Scientific notation 1.8421946 × 10^7
Engineering notation 1.8421946 × 10^6

Prime Factorization of 18421946

Prime Factorization 2 × 9210973

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 18421946
Product of the distinct prime numbers

The prime factorization of 18421946 is 2 × 9210973. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18421946)

Multiplication

n×y
n×2 36843892
n×3 55265838
n×4 73687784
n×5 92109730

Division

n÷y
n÷2 9210973
n÷3 6140648.6666667
n÷3 4605486.5
n÷5 3684389.2

Exponentiation

ny
n2 339368094426916
n3 6.2518207096555E+21
n4 1.1517070351496E+29
n5 2.1216684809345E+36

Nth Root

y√n
2√n 4292.0794494044
3√n 264.10614227496
4√n 65.513963774179
5√n 28.383575370659

Divisors of 18421946

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18421945
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18421946 can be divided by 4 positive divisors. The sum of these divisors (counting 18421946) is 1, the average is 0.25.

Base conversion 18421946

Base System Value
2 Binary 1000110010001100010111010
3 Ternary 1021122221011022
4 Quaternary 1012101202322
5 Quinary 14204000241
6 Senary 1454502442
8 Octal 106214272
10 Decimal 18421946
12 Duodecimal 6204a22
16 Hexadecimal 11918ba
20 Vigesimal 5f2eh6
36 Base36 ayugq

Cryptographic Hash Functions

md5 cc16ff19bf9aff5b031d3e88ef609dc0
sha1 f0e9dd480ce4c036ca1523883af52ba083f59b91
sha256 666d6ca857d74e9dcc92c3d63ef990c34d2acc36490ecdab7f98c2ed3be22a2d
sha512 646c442c8caf57b280b5407ab8b854dbce30dfa709b648da79def621b915e7f6111cf4ed71ee0b72b404dfcb471cbb1c69d161421a90d5c94a807af74b291829
ripemd-160 f52dcc018cbbcba47681c5ee7ee7b08590e440a8

18421946 as geometric shapes

Circle

Radius = n
Diameter 36843892
Circumference 115748500.43686
Area 1.0661563123144E+15

Sphere

Radius = n
Volume 2.6187565350686E+22
Surface area 4.2646252492575E+15
Circumference 115748500.43686

Square

Length = n
Perimeter 73687784
Area 339368094426916
Diagonal 26052565.878505

Cube

Length = n
Surface area 2036208566561496
Volume 6.2518207096555E+21
Space diagonal 31907746.44629

Equilateral Triangle

Length = n
Perimeter 55265838
Area 1.4695069550381E+14
Altitude 15953873.223145

Triangular Pyramid

Length = n
Surface area 1.4695069550381E+14
Volume 7.3678413642666E+20
Height 8684188.6261683