21921572 (number)

21921572 is an even 8-digits composite number following 21921571 and preceding 21921573. In scientific notation, it is written as 2.1921572 × 10^7. The sum of its digits is 29. It has a total of 5 prime factors and 24 positive divisors. There are 10640448 positive integers (up to 21921572) that are relatively prime to 21921572.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1921572 × 10^7
Engineering notation 2.1921572 × 10^6

Prime Factorization of 21921572

Prime Factorization 2 × 2 × 43 × 233 × 547

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10960786
Product of the distinct prime numbers

The prime factorization of 21921572 is 2 × 2 × 43 × 233 × 547. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21921572)

Multiplication

n×y
n×2 43843144
n×3 65764716
n×4 87686288
n×5 109607860

Division

n÷y
n÷2 10960786
n÷3 7307190.6666667
n÷3 5480393
n÷5 4384314.4

Exponentiation

ny
n2 480555318951184
n3 1.0534528024371E+22
n4 2.3093341457227E+29
n5 5.062423474752E+36

Nth Root

y√n
2√n 4682.0478425578
3√n 279.87056943138
4√n 68.42549117513
5√n 29.388291495205

Divisors of 21921572

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21921571
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21921572 can be divided by 24 positive divisors. The sum of these divisors (counting 21921572) is 1, the average is 0.041666666666667.

Base conversion 21921572

Base System Value
2 Binary 1010011100111111100100100
3 Ternary 1112020201202002
4 Quaternary 1103213330210
5 Quinary 21102442242
6 Senary 2101504432
8 Octal 123477444
10 Decimal 21921572
12 Duodecimal 7412118
16 Hexadecimal 14e7f24
20 Vigesimal 6h03ic
36 Base36 d1usk

Cryptographic Hash Functions

md5 f6dae17f583597adb76e6b3ce2d24885
sha1 d29a90d22767fa754f3c2374599d0a170766923f
sha256 59ccf1e80984080a6bda201f04d21e14db50d1863249886927c635bf0d7eaa93
sha512 0be5470d2d6aeb58a23c72d037644251fd887e4e62a0ffee8f1fb3c9da1460f99f2b9e6393257198bdf3b414eca85c85a5190d0541f1ec857c74cb4b34a9c12a
ripemd-160 ef385cce07cac5114df23278f372b846834cf344

21921572 as geometric shapes

Circle

Radius = n
Diameter 43843144
Circumference 137737299.10068
Area 1.5097090596605E+15

Sphere

Radius = n
Volume 4.4126927800534E+22
Surface area 6.0388362386422E+15
Circumference 137737299.10068

Square

Length = n
Perimeter 87686288
Area 480555318951184
Diagonal 31001784.430938

Cube

Length = n
Surface area 2883331913707104
Volume 1.0534528024371E+22
Space diagonal 37969276.485779

Equilateral Triangle

Length = n
Perimeter 65764716
Area 2.0808655706773E+14
Altitude 18984638.24289

Triangular Pyramid

Length = n
Surface area 2.0808655706773E+14
Volume 1.2415060337721E+21
Height 10333928.143646