21432561 (number)

21432561 is an odd 8-digits composite number following 21432560 and preceding 21432562. In scientific notation, it is written as 2.1432561 × 10^7. The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors. There are 14157072 positive integers (up to 21432561) that are relatively prime to 21432561.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred thirty-two thousand five hundred sixty-one

Notation

Scientific notation 2.1432561 × 10^7
Engineering notation 2.1432561 × 10^6

Prime Factorization of 21432561

Prime Factorization 3 × 109 × 65543

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21432561
Product of the distinct prime numbers

The prime factorization of 21432561 is 3 × 109 × 65543. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21432561)

Multiplication

n×y
n×2 42865122
n×3 64297683
n×4 85730244
n×5 107162805

Division

n÷y
n÷2 10716280.5
n÷3 7144187
n÷3 5358140.25
n÷5 4286512.2

Exponentiation

ny
n2 459354671018721
n3 9.8451470072437E+21
n4 2.1100671378672E+29
n5 4.5224142646434E+36

Nth Root

y√n
2√n 4629.5314017728
3√n 277.77384864961
4√n 68.040659915765
5√n 29.255990997582

Divisors of 21432561

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 -21432560
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 21432561 can be divided by 8 positive divisors. The sum of these divisors (counting 21432561) is 1, the average is 0.125.

Base conversion 21432561

Base System Value
2 Binary 1010001110000100011110001
3 Ternary 1111022212221120
4 Quaternary 1101300203301
5 Quinary 20441320221
6 Senary 2043212453
8 Octal 121604361
10 Decimal 21432561
12 Duodecimal 7217129
16 Hexadecimal 14708f1
20 Vigesimal 6dj181
36 Base36 crdgx

Cryptographic Hash Functions

md5 a93a692be2670c4b8fe3f12b35cd0517
sha1 53ae1abb5b01f761bffda9d36ea821e21e250f5b
sha256 3f94644988b65899a7977bb0491c7df9bebe8be01d163a21dd5c2121766bd5b7
sha512 fa9bea6ef7a7de4ae46b2792a39be9ede9cfe6ae5f73d9132fe79a013bd60d8ef438601274738023135972ebd406400e13e9d6d2a500990caa745e3aa26c2631
ripemd-160 28f7f7b4b9c8ea1a12ab09a7645976d1aced48c1

21432561 as geometric shapes

Circle

Radius = n
Diameter 42865122
Circumference 134664752.37043
Area 1.4431052598646E+15

Sphere

Radius = n
Volume 4.1239255348624E+22
Surface area 5.7724210394583E+15
Circumference 134664752.37043

Square

Length = n
Perimeter 85730244
Area 459354671018721
Diagonal 30310218.442589

Cube

Length = n
Surface area 2756128026112326
Volume 9.8451470072437E+21
Space diagonal 37122284.588319

Equilateral Triangle

Length = n
Perimeter 64297683
Area 1.9890640722463E+14
Altitude 18561142.29416

Triangular Pyramid

Length = n
Surface area 1.9890640722463E+14
Volume 1.1602617017667E+21
Height 10103406.14753