21234561 (number)

21234561 is an odd 8-digits composite number following 21234560 and preceding 21234562. In scientific notation, it is written as 2.1234561 × 10^7. The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors. There are 13676544 positive integers (up to 21234561) that are relatively prime to 21234561.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred thirty-four thousand five hundred sixty-one

Notation

Scientific notation 2.1234561 × 10^7
Engineering notation 2.1234561 × 10^6

Prime Factorization of 21234561

Prime Factorization 3 × 43 × 97 × 1697

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21234561
Product of the distinct prime numbers

The prime factorization of 21234561 is 3 × 43 × 97 × 1697. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21234561)

Multiplication

n×y
n×2 42469122
n×3 63703683
n×4 84938244
n×5 106172805

Division

n÷y
n÷2 10617280.5
n÷3 7078187
n÷3 5308640.25
n÷5 4246912.2

Exponentiation

ny
n2 450906580862721
n3 9.5748032966309E+21
n4 2.0331674466531E+29
n5 4.3173418169169E+36

Nth Root

y√n
2√n 4608.0973297013
3√n 276.91581675529
4√n 67.882967891079
5√n 29.201735125642

Divisors of 21234561

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 -21234560
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 21234561 can be divided by 16 positive divisors. The sum of these divisors (counting 21234561) is 1, the average is 0.0625.

Base conversion 21234561

Base System Value
2 Binary 1010001000000001110000001
3 Ternary 1110221211100020
4 Quaternary 1101000032001
5 Quinary 20414001221
6 Senary 2035044053
8 Octal 121001601
10 Decimal 21234561
12 Duodecimal 7140629
16 Hexadecimal 1440381
20 Vigesimal 6ce681
36 Base36 cn4ox

Cryptographic Hash Functions

md5 e866e664eb72790508670766976ea62f
sha1 004c2bfd6c699e08eb9b6193ae72c5187950c069
sha256 87066181e905585aee70925554016ada261db580c92a8bb3677faeec16ad2cd2
sha512 11f3a963c871c908f7703412d224bffbe32bc263123e57b45fc327120a880de49b1dd094b24e29ac6e5224c22b10456dd5a4e0d02a4f2c2baed7dff9e0dcf224
ripemd-160 85af94ba3fb0d4cf05a58d4442b370d46baf1d2e

21234561 as geometric shapes

Circle

Radius = n
Diameter 42469122
Circumference 133420681.67961
Area 1.4165648018936E+15

Sphere

Radius = n
Volume 4.0106842261684E+22
Surface area 5.6662592075745E+15
Circumference 133420681.67961

Square

Length = n
Perimeter 84938244
Area 450906580862721
Diagonal 30030204.157239

Cube

Length = n
Surface area 2705439485176326
Volume 9.5748032966309E+21
Space diagonal 36779338.528421

Equilateral Triangle

Length = n
Perimeter 63703683
Area 1.9524827688035E+14
Altitude 18389669.26421

Triangular Pyramid

Length = n
Surface area 1.9524827688035E+14
Volume 1.1284013899292E+21
Height 10010068.052413