21352581 (number)

21352581 is an odd 8-digits composite number following 21352580 and preceding 21352582. In scientific notation, it is written as 2.1352581 × 10^7. The sum of its digits is 27. It has a total of 3 prime factors and 6 positive divisors. There are 14235048 positive integers (up to 21352581) that are relatively prime to 21352581.

Interesting facts

Basic properties

Name

Name twenty-one million three hundred fifty-two thousand five hundred eighty-one

Notation

Scientific notation 2.1352581 × 10^7
Engineering notation 2.1352581 × 10^6

Prime Factorization of 21352581

Prime Factorization 3 × 3 × 2372509

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 7117527
Product of the distinct prime numbers

The prime factorization of 21352581 is 3 × 3 × 2372509. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21352581)

Multiplication

n×y
n×2 42705162
n×3 64057743
n×4 85410324
n×5 106762905

Division

n÷y
n÷2 10676290.5
n÷3 7117527
n÷3 5338145.25
n÷5 4270516.2

Exponentiation

ny
n2 455932715361561
n3 9.7353402353077E+21
n4 2.0787464093697E+29
n5 4.4386601084525E+36

Nth Root

y√n
2√n 4620.8853047874
3√n 277.42789458452
4√n 67.977093971333
5√n 29.234123384851

Divisors of 21352581

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 -21352580
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 21352581 can be divided by 6 positive divisors. The sum of these divisors (counting 21352581) is 1, the average is 0.16666666666667.

Base conversion 21352581

Base System Value
2 Binary 1010001011101000010000101
3 Ternary 1111011211020100
4 Quaternary 1101131002011
5 Quinary 20431240311
6 Senary 2041354313
8 Octal 121350205
10 Decimal 21352581
12 Duodecimal 7198999
16 Hexadecimal 145d085
20 Vigesimal 6d9191
36 Base36 cpnr9

Cryptographic Hash Functions

md5 537606fbd82cef32e57080aa1b4286b6
sha1 e33df1fe866a228725188b652c9f1c1afbb09dc4
sha256 cce0c1a21cc4e9a462ffb5bbc99a5d7a39a76f5402422b5c0297f5560f9bfefd
sha512 8a76a474eb90de8848c7ec316cbce5ff461ce18a3cc66803c7c2b28b16b55fa6a8a4ec2a590dd509c1d3e905924b5f69af383b1cd25d5681b5ded0f6aa20a8e9
ripemd-160 7100b841aa8c3dce0e893fecd5ca18830e66d591

21352581 as geometric shapes

Circle

Radius = n
Diameter 42705162
Circumference 134162223.20956
Area 1.4323548691111E+15

Sphere

Radius = n
Volume 4.077929781792E+22
Surface area 5.7294194764445E+15
Circumference 134162223.20956

Square

Length = n
Perimeter 85410324
Area 455932715361561
Diagonal 30197109.64187

Cube

Length = n
Surface area 2735596292169366
Volume 9.7353402353077E+21
Space diagonal 36983755.16473

Equilateral Triangle

Length = n
Perimeter 64057743
Area 1.9742465695977E+14
Altitude 18491877.582365

Triangular Pyramid

Length = n
Surface area 1.9742465695977E+14
Volume 1.1473208495907E+21
Height 10065703.213957