21542279 (number)

21542279 is an odd 8-digits composite number following 21542278 and preceding 21542280. In scientific notation, it is written as 2.1542279 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 19553400 positive integers (up to 21542279) that are relatively prime to 21542279.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1542279 × 10^7
Engineering notation 2.1542279 × 10^6

Prime Factorization of 21542279

Prime Factorization 11 × 2131 × 919

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21542279
Product of the distinct prime numbers

The prime factorization of 21542279 is 11 × 2131 × 919. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21542279)

Multiplication

n×y
n×2 43084558
n×3 64626837
n×4 86169116
n×5 107711395

Division

n÷y
n÷2 10771139.5
n÷3 7180759.6666667
n÷3 5385569.75
n÷5 4308455.8

Exponentiation

ny
n2 464069784513841
n3 9.997120773467E+21
n4 2.1536076489872E+29
n5 4.6393616831017E+36

Nth Root

y√n
2√n 4641.3660704581
3√n 278.24703728265
4√n 68.127572028204
5√n 29.285883421963

Divisors of 21542279

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21542278
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21542279 can be divided by 8 positive divisors. The sum of these divisors (counting 21542279) is 1, the average is 0.125.

Base conversion 21542279

Base System Value
2 Binary 1010010001011010110000111
3 Ternary 1111112110110012
4 Quaternary 1102023112013
5 Quinary 21003323104
6 Senary 2045420435
8 Octal 122132607
10 Decimal 21542279
12 Duodecimal 726a71b
16 Hexadecimal 148b587
20 Vigesimal 6ecfdj
36 Base36 ctq4n

Cryptographic Hash Functions

md5 8397e545b1026491331d4e0bb4dc73a7
sha1 71d240b9d7ad8b08beeab468d336919842c8baea
sha256 cd53769f65a7994ad13274f378fb2383ea5e7285ebec42fe750aecb3ab3e848c
sha512 009ef44a191c4ba9f0de15bd859092aba75e07730f575692706999e5b1d85c46b515911112e3506baf93f0a2fd8ba029b6cfe36bfcd1606129f2561fee15497d
ripemd-160 68a9000c9d767abff3c342adf52f0c77ca9b1e1a

21542279 as geometric shapes

Circle

Radius = n
Diameter 43084558
Circumference 135354130.89596
Area 1.4579182257817E+15

Sphere

Radius = n
Volume 4.1875841571965E+22
Surface area 5.8316729031267E+15
Circumference 135354130.89596

Square

Length = n
Perimeter 86169116
Area 464069784513841
Diagonal 30465383.126225

Cube

Length = n
Surface area 2784418707083046
Volume 9.997120773467E+21
Space diagonal 37312321.738824

Equilateral Triangle

Length = n
Perimeter 64626837
Area 2.0094811125888E+14
Altitude 18656160.869412

Triangular Pyramid

Length = n
Surface area 2.0094811125888E+14
Volume 1.1781719818766E+21
Height 10155127.708742