21438046 (number)

21438046 is an even 8-digits composite number following 21438045 and preceding 21438047. In scientific notation, it is written as 2.1438046 × 10^7. The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors. There are 9171000 positive integers (up to 21438046) that are relatively prime to 21438046.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred thirty-eight thousand forty-six

Notation

Scientific notation 2.1438046 × 10^7
Engineering notation 2.1438046 × 10^6

Prime Factorization of 21438046

Prime Factorization 2 × 7 × 751 × 2039

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21438046
Product of the distinct prime numbers

The prime factorization of 21438046 is 2 × 7 × 751 × 2039. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21438046)

Multiplication

n×y
n×2 42876092
n×3 64314138
n×4 85752184
n×5 107190230

Division

n÷y
n÷2 10719023
n÷3 7146015.3333333
n÷3 5359511.5
n÷5 4287609.2

Exponentiation

ny
n2 459589816298116
n3 9.8527076229306E+21
n4 2.1122279924494E+29
n5 4.5282040864617E+36

Nth Root

y√n
2√n 4630.1237564454
3√n 277.79754249883
4√n 68.045012722795
5√n 29.257488277224

Divisors of 21438046

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21438045
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21438046 can be divided by 16 positive divisors. The sum of these divisors (counting 21438046) is 1, the average is 0.0625.

Base conversion 21438046

Base System Value
2 Binary 1010001110001111001011110
3 Ternary 1111100011110201
4 Quaternary 1101301321132
5 Quinary 20442004141
6 Senary 2043254114
8 Octal 121617136
10 Decimal 21438046
12 Duodecimal 721a33a
16 Hexadecimal 1471e5e
20 Vigesimal 6djf26
36 Base36 crhpa

Cryptographic Hash Functions

md5 c6fb4f1d89d6d32df1879900e43400a5
sha1 d5707d20222e6591badcb48b68289603e253204f
sha256 4694d6cc28e378331130e6a8ecf038a75941d874944d75a14a14f7031eb5924b
sha512 bac780422ef406ecd48cd4bc55a4e77a18869e724ce87a2ba8b5d9f89792631f17cad200e62a1d42aded3f6272a2993b1de9dc419f0bcd67ae6356c4b8d72153
ripemd-160 a40e0a554d586e87af1334b8102d4e92ad57d7aa

21438046 as geometric shapes

Circle

Radius = n
Diameter 42876092
Circumference 134699215.64184
Area 1.4438439905468E+15

Sphere

Radius = n
Volume 4.1270925181556E+22
Surface area 5.7753759621874E+15
Circumference 134699215.64184

Square

Length = n
Perimeter 85752184
Area 459589816298116
Diagonal 30317975.403978

Cube

Length = n
Surface area 2757538897788696
Volume 9.8527076229306E+21
Space diagonal 37131784.886999

Equilateral Triangle

Length = n
Perimeter 64314138
Area 1.990082281174E+14
Altitude 18565892.443499

Triangular Pyramid

Length = n
Surface area 1.990082281174E+14
Volume 1.1611527288704E+21
Height 10105991.801326