21542406 (number)

21542406 is an even 8-digits composite number following 21542405 and preceding 21542407. In scientific notation, it is written as 2.1542406 × 10^7. The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors. There are 7136424 positive integers (up to 21542406) that are relatively prime to 21542406.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred forty-two thousand four hundred six

Notation

Scientific notation 2.1542406 × 10^7
Engineering notation 2.1542406 × 10^6

Prime Factorization of 21542406

Prime Factorization 2 × 3 × 163 × 22027

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21542406
Product of the distinct prime numbers

The prime factorization of 21542406 is 2 × 3 × 163 × 22027. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21542406)

Multiplication

n×y
n×2 43084812
n×3 64627218
n×4 86169624
n×5 107712030

Division

n÷y
n÷2 10771203
n÷3 7180802
n÷3 5385601.5
n÷5 4308481.2

Exponentiation

ny
n2 464075256268836
n3 9.9972975850973E+21
n4 2.1536584348099E+29
n5 4.6394984387998E+36

Nth Root

y√n
2√n 4641.3797517549
3√n 278.24758407259
4√n 68.127672437526
5√n 29.285917952186

Divisors of 21542406

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 -21542405
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 21542406 can be divided by 16 positive divisors. The sum of these divisors (counting 21542406) is 1, the average is 0.0625.

Base conversion 21542406

Base System Value
2 Binary 1010010001011011000000110
3 Ternary 1111112110121220
4 Quaternary 1102023120012
5 Quinary 21003324111
6 Senary 2045421210
8 Octal 122133006
10 Decimal 21542406
12 Duodecimal 726a806
16 Hexadecimal 148b606
20 Vigesimal 6ecg06
36 Base36 ctq86

Cryptographic Hash Functions

md5 84d3b847eb6359eaac9bfc9e17ecec7b
sha1 06412cf79246729b03c579c1311daf69c57757d4
sha256 721ddf6bfb4c3c425d51f37b06a0b21ab33289356ef08652eda4da617b799c0d
sha512 d4218950619de4ea6195d72dd6107b9841bbe8ad427c803b8b06211d289ed827b5c1a116ca31f00c48039138618e4ea2a58eba47e7cb2387141f43d4a501680d
ripemd-160 207f0585f943a8c750e7865ea3b8d1b34680af08

21542406 as geometric shapes

Circle

Radius = n
Diameter 43084812
Circumference 135354928.8605
Area 1.457935415807E+15

Sphere

Radius = n
Volume 4.187658219879E+22
Surface area 5.8317416632279E+15
Circumference 135354928.8605

Square

Length = n
Perimeter 86169624
Area 464075256268836
Diagonal 30465562.731348

Cube

Length = n
Surface area 2784451537613016
Volume 9.9972975850973E+21
Space diagonal 37312541.709277

Equilateral Triangle

Length = n
Perimeter 64627218
Area 2.0095048059829E+14
Altitude 18656270.854638

Triangular Pyramid

Length = n
Surface area 2.0095048059829E+14
Volume 1.178192819327E+21
Height 10155187.577116