21542709 (number)

21542709 is an odd 8-digits composite number following 21542708 and preceding 21542710. In scientific notation, it is written as 2.1542709 × 10^7. The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors. There are 14361804 positive integers (up to 21542709) that are relatively prime to 21542709.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred forty-two thousand seven hundred nine

Notation

Scientific notation 2.1542709 × 10^7
Engineering notation 2.1542709 × 10^6

Prime Factorization of 21542709

Prime Factorization 3 × 7180903

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21542709
Product of the distinct prime numbers

The prime factorization of 21542709 is 3 × 7180903. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21542709)

Multiplication

n×y
n×2 43085418
n×3 64628127
n×4 86170836
n×5 107713545

Division

n÷y
n÷2 10771354.5
n÷3 7180903
n÷3 5385677.25
n÷5 4308541.8

Exponentiation

ny
n2 464088311058681
n3 9.9977194354386E+21
n4 2.153779604613E+29
n5 4.6398247272313E+36

Nth Root

y√n
2√n 4641.412392796
3√n 278.24888860998
4√n 68.127911994982
5√n 29.286000334657

Divisors of 21542709

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 -21542708
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 21542709 can be divided by 4 positive divisors. The sum of these divisors (counting 21542709) is 1, the average is 0.25.

Base conversion 21542709

Base System Value
2 Binary 1010010001011011100110101
3 Ternary 1111112111001010
4 Quaternary 1102023130311
5 Quinary 21003331314
6 Senary 2045422433
8 Octal 122133465
10 Decimal 21542709
12 Duodecimal 726aa19
16 Hexadecimal 148b735
20 Vigesimal 6ecgf9
36 Base36 ctqgl

Cryptographic Hash Functions

md5 7b5a76415cc4379e4f1df891e6f0adf8
sha1 fccd478c0aef47d0eb349b86e78817bea539d52a
sha256 e82f201c1aa5a16aadd4930208d001f97f27580852f17a2d046560fe5282e77a
sha512 9a57b5f22133c1b20a718c845ffde72196425c1ba0431c2d62b35dcf7eeec35fc39d05f0914ea13586842b6702a6a950ad8c0617d1374823ad5cae54c09c4f2f
ripemd-160 bd5eefcc667df3989e3d4a7b1630391d1f2f67d2

21542709 as geometric shapes

Circle

Radius = n
Diameter 43085418
Circumference 135356832.66565
Area 1.4579764286388E+15

Sphere

Radius = n
Volume 4.1878349241368E+22
Surface area 5.8319057145554E+15
Circumference 135356832.66565

Square

Length = n
Perimeter 86170836
Area 464088311058681
Diagonal 30465991.238057

Cube

Length = n
Surface area 2784529866352086
Volume 9.9977194354386E+21
Space diagonal 37313066.520671

Equilateral Triangle

Length = n
Perimeter 64628127
Area 2.0095613348812E+14
Altitude 18656533.260336

Triangular Pyramid

Length = n
Surface area 2.0095613348812E+14
Volume 1.1782425348665E+21
Height 10155330.412686