21032581 (number)

21032581 is an odd 8-digits composite number following 21032580 and preceding 21032582. In scientific notation, it is written as 2.1032581 × 10^7. The sum of its digits is 22. It has a total of 2 prime factors and 4 positive divisors. There are 20954700 positive integers (up to 21032581) that are relatively prime to 21032581.

Interesting facts

Basic properties

Name

Name twenty-one million thirty-two thousand five hundred eighty-one

Notation

Scientific notation 2.1032581 × 10^7
Engineering notation 2.1032581 × 10^6

Prime Factorization of 21032581

Prime Factorization 271 × 77611

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21032581
Product of the distinct prime numbers

The prime factorization of 21032581 is 271 × 77611. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21032581)

Multiplication

n×y
n×2 42065162
n×3 63097743
n×4 84130324
n×5 105162905

Division

n÷y
n÷2 10516290.5
n÷3 7010860.3333333
n÷3 5258145.25
n÷5 4206516.2

Exponentiation

ny
n2 442369463521561
n3 9.3041715734438E+21
n4 1.9569074225635E+29
n5 4.1158813874569E+36

Nth Root

y√n
2√n 4586.1291957379
3√n 276.03502408572
4√n 67.720965702934
5√n 29.145970032243

Divisors of 21032581

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 -21032580
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 21032581 can be divided by 4 positive divisors. The sum of these divisors (counting 21032581) is 1, the average is 0.25.

Base conversion 21032581

Base System Value
2 Binary 1010000001110111010000101
3 Ternary 1110120120021111
4 Quaternary 1100032322011
5 Quinary 20341020311
6 Senary 2030445021
8 Octal 120167205
10 Decimal 21032581
12 Duodecimal 7063771
16 Hexadecimal 140ee85
20 Vigesimal 6b9191
36 Base36 cisud

Cryptographic Hash Functions

md5 707eec8f4b47e03830709785dfd30c13
sha1 62c775d840bfc0a71ced99e90064cdd4403ac393
sha256 da684ece1330f7ce7115bc96ca60f4cd02236ae7b9a284ed51189f1b8aea8e75
sha512 ec922aba47a28fac2765eb6f2e307cfb2689f502cc503478d6be0f5a567753dc9bb5b0d84acb9f2e3a4640643a78f2dcae1af579672ba0254f2bd8df9a1a178e
ripemd-160 3a4cdcac07242b5411c6684b9e76d923a780d3b7

21032581 as geometric shapes

Circle

Radius = n
Diameter 42065162
Circumference 132151603.91126
Area 1.3897446567718E+15

Sphere

Radius = n
Volume 3.8973222750493E+22
Surface area 5.5589786270872E+15
Circumference 132151603.91126

Square

Length = n
Perimeter 84130324
Area 442369463521561
Diagonal 29744561.301911

Cube

Length = n
Surface area 2654216781129366
Volume 9.3041715734438E+21
Space diagonal 36429498.906308

Equilateral Triangle

Length = n
Perimeter 63097743
Area 1.9155159663408E+14
Altitude 18214749.453154

Triangular Pyramid

Length = n
Surface area 1.9155159663408E+14
Volume 1.0965071354842E+21
Height 9914853.7673036