21538051 (number)

21538051 is an odd 8-digits composite number following 21538050 and preceding 21538052. In scientific notation, it is written as 2.1538051 × 10^7. The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors. There are 20601592 positive integers (up to 21538051) that are relatively prime to 21538051.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred thirty-eight thousand fifty-one

Notation

Scientific notation 2.1538051 × 10^7
Engineering notation 2.1538051 × 10^6

Prime Factorization of 21538051

Prime Factorization 23 × 936437

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21538051
Product of the distinct prime numbers

The prime factorization of 21538051 is 23 × 936437. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 4, 34, 54, 629, 44, 5220, 7819, 6906, 13454, 29197, 629856, 5315354, 5541863, 1550116, 97943997, 440332088, 276109321, 4235600683, 6921571096

Basic calculations (n = 21538051)

Multiplication

n×y
n×2 43076102
n×3 64614153
n×4 86152204
n×5 107690255

Division

n÷y
n÷2 10769025.5
n÷3 7179350.3333333
n÷3 5384512.75
n÷5 4307610.2

Exponentiation

ny
n2 463887640878601
n3 9.991235667513E+21
n4 2.1519174335991E+29
n5 4.6348107432647E+36

Nth Root

y√n
2√n 4640.910578755
3√n 278.22883268684
4√n 68.124229014023
5√n 29.284733771669

Divisors of 21538051

1, 23, 936437, 21538051

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 -21538050
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 21538051 can be divided by 4 positive divisors. The sum of these divisors (counting 21538051) is 1, the average is 0.25.

Base conversion 21538051

Base System Value
2 Binary 1010010001010010100000011
3 Ternary 1111112020122121
4 Quaternary 1102022110003
5 Quinary 21003204201
6 Senary 2045345111
8 Octal 122122403
10 Decimal 21538051
12 Duodecimal 7268197
16 Hexadecimal 148a503
20 Vigesimal 6ec52b
36 Base36 ctmv7

Cryptographic Hash Functions

md5 38be15f8b50d42710c1592e978245c93
sha1 21337ea6069f4958220d0d938010d3578218eaa7
sha256 f9f694a7f718b8c55172b2cefd3778976c27689b272f1d87e14ac1c67f6caef5
sha512 dfd0ea0e33d8f2614ab2277b9757a8846dd0910481ad792fea4ab50d968597b83000c11b2b855e89eacfc13a646128768d928e4d5d39095224551f05f01fc31b
ripemd-160 3a84c027631f8c08aa1445b8b985cc6a80aae669

21538051 as geometric shapes

Circle

Radius = n
Diameter 43076102
Circumference 135327565.58848
Area 1.4573460046753E+15

Sphere

Radius = n
Volume 4.1851190097791E+22
Surface area 5.8293840187013E+15
Circumference 135327565.58848

Square

Length = n
Perimeter 86152204
Area 463887640878601
Diagonal 30459403.831283

Cube

Length = n
Surface area 2783325845271606
Volume 9.991235667513E+21
Space diagonal 37304998.62801

Equilateral Triangle

Length = n
Perimeter 64614153
Area 2.0086924075125E+14
Altitude 18652499.314005

Triangular Pyramid

Length = n
Surface area 2.0086924075125E+14
Volume 1.1774784154886E+21
Height 10153134.610428