21521572 (number)

21521572 is an even 8-digits composite number following 21521571 and preceding 21521573. In scientific notation, it is written as 2.1521572 × 10^7. The sum of its digits is 25. It has a total of 3 prime factors and 6 positive divisors. There are 10760784 positive integers (up to 21521572) that are relatively prime to 21521572.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1521572 × 10^7
Engineering notation 2.1521572 × 10^6

Prime Factorization of 21521572

Prime Factorization 2 × 2 × 5380393

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 10760786
Product of the distinct prime numbers

The prime factorization of 21521572 is 2 × 2 × 5380393. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21521572)

Multiplication

n×y
n×2 43043144
n×3 64564716
n×4 86086288
n×5 107607860

Division

n÷y
n÷2 10760786
n÷3 7173857.3333333
n÷3 5380393
n÷5 4304314.4

Exponentiation

ny
n2 463178061351184
n3 9.9683199961899E+21
n4 2.1453391651704E+29
n5 4.6171071307635E+36

Nth Root

y√n
2√n 4639.1348331343
3√n 278.15785593413
4√n 68.11119462419
5√n 29.28025118513

Divisors of 21521572

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21521571
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21521572 can be divided by 6 positive divisors. The sum of these divisors (counting 21521572) is 1, the average is 0.16666666666667.

Base conversion 21521572

Base System Value
2 Binary 1010010000110010010100100
3 Ternary 1111111102001021
4 Quaternary 1102012102210
5 Quinary 21002142242
6 Senary 2045140524
8 Octal 122062244
10 Decimal 21521572
12 Duodecimal 725a744
16 Hexadecimal 14864a4
20 Vigesimal 6ea3ic
36 Base36 cta5g

Cryptographic Hash Functions

md5 0948b2e6b8b5875d8324ffc04192bff4
sha1 0a8393fe65cf490efe8e9a7fe318fab70f55c928
sha256 d46aa4ffa392e401dfb08bb6b8dcbc31bf7e517af484d5ed7ef7d86a4d7479d2
sha512 dab56f52c04543fc1812a846f76c7892f4bc67b8c5b1364eabb4333fe5476d045a78cf1961819fd69ff02b17665dd021001c86c3c31ba2271d0789472b50dd4b
ripemd-160 bbfc1a3f035bc269309c4273785fdf593a245a5f

21521572 as geometric shapes

Circle

Radius = n
Diameter 43043144
Circumference 135224024.97781
Area 1.4551167948448E+15

Sphere

Radius = n
Volume 4.1755201158217E+22
Surface area 5.8204671793794E+15
Circumference 135224024.97781

Square

Length = n
Perimeter 86086288
Area 463178061351184
Diagonal 30436099.005989

Cube

Length = n
Surface area 2779068368107104
Volume 9.9683199961899E+21
Space diagonal 37276456.162752

Equilateral Triangle

Length = n
Perimeter 64564716
Area 2.0056198380288E+14
Altitude 18638228.081376

Triangular Pyramid

Length = n
Surface area 2.0056198380288E+14
Volume 1.1747777777239E+21
Height 10145366.33533