18456421 (number)

18456421 is an odd 8-digits prime number following 18456420 and preceding 18456422. In scientific notation, it is written as 1.8456421 × 10^7. The sum of its digits is 31. It has a total of 1 prime factors and 2 positive divisors. There are 18456420 positive integers (up to 18456421) that are relatively prime to 18456421.

Interesting facts

Basic properties

Name

Name eighteen million four hundred fifty-six thousand four hundred twenty-one

Notation

Scientific notation 1.8456421 × 10^7
Engineering notation 1.8456421 × 10^6

Prime Factorization of 18456421

Prime Factorization 18456421

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 18456421
Product of the distinct prime numbers

The prime factorization of 18456421 is 18456421. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18456421)

Multiplication

n×y
n×2 36912842
n×3 55369263
n×4 73825684
n×5 92282105

Division

n÷y
n÷2 9228210.5
n÷3 6152140.3333333
n÷3 4614105.25
n÷5 3691284.2

Exponentiation

ny
n2 340639476129241
n3 6.2869855806607E+21
n4 1.160352526976E+29
n5 2.1415954746284E+36

Nth Root

y√n
2√n 4296.0936907847
3√n 264.27078983516
4√n 65.544593146839
5√n 28.394190884296

Divisors of 18456421

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 18456422
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 9228211
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 4296.0938071695
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999998916366
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18456421 can be divided by 2 positive divisors. The sum of these divisors (counting 18456421) is 18456422, the average is 9228211.

Base conversion 18456421

Base System Value
2 Binary 1000110011001111101100101
3 Ternary 1021201200110011
4 Quaternary 1012121331211
5 Quinary 14211101141
6 Senary 1455330221
8 Octal 106317545
10 Decimal 18456421
12 Duodecimal 6220971
16 Hexadecimal 1199f65
20 Vigesimal 5f7111
36 Base36 azl2d

Cryptographic Hash Functions

md5 6f5e2352be488861920b3ffb1a3ee002
sha1 ae860f72180a53b310b075a633a54563ffb7ce30
sha256 50c71152022d30f12492a0c78c91a709f31829994360c82ba3fac47035aea489
sha512 30997893d8b49186b1ea5b2d4e59e21b85351a4326f2b46210babf74c344a63e5257a9dab1799bcb9421207e14c3b1b1688ad09328643d390bfd9a19147e10a8
ripemd-160 b67aaf08e4550983e71d866d045fc7a54813cddf

18456421 as geometric shapes

Circle

Radius = n
Diameter 36912842
Circumference 115965113.25032
Area 1.0701504757303E+15

Sphere

Radius = n
Volume 2.6334863617905E+22
Surface area 4.2806019029212E+15
Circumference 115965113.25032

Square

Length = n
Perimeter 73825684
Area 340639476129241
Diagonal 26101320.891068

Cube

Length = n
Surface area 2043836856775446
Volume 6.2869855806607E+21
Space diagonal 31967458.897881

Equilateral Triangle

Length = n
Perimeter 55369263
Area 1.4750121992987E+14
Altitude 15983729.448941

Triangular Pyramid

Length = n
Surface area 1.4750121992987E+14
Volume 7.4092835621787E+20
Height 8700440.2970225