21568121 (number)

21568121 is an odd 8-digits composite number following 21568120 and preceding 21568122. In scientific notation, it is written as 2.1568121 × 10^7. The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors. There are 20299392 positive integers (up to 21568121) that are relatively prime to 21568121.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred sixty-eight thousand one hundred twenty-one

Notation

Scientific notation 2.1568121 × 10^7
Engineering notation 2.1568121 × 10^6

Prime Factorization of 21568121

Prime Factorization 17 × 1268713

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21568121
Product of the distinct prime numbers

The prime factorization of 21568121 is 17 × 1268713. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21568121)

Multiplication

n×y
n×2 43136242
n×3 64704363
n×4 86272484
n×5 107840605

Division

n÷y
n÷2 10784060.5
n÷3 7189373.6666667
n÷3 5392030.25
n÷5 4313624.2

Exponentiation

ny
n2 465183843470641
n3 1.003314142322E+22
n4 2.1639600822612E+29
n5 4.6672552893379E+36

Nth Root

y√n
2√n 4644.1491147464
3√n 278.35825403057
4√n 68.147994209268
5√n 29.292906290031

Divisors of 21568121

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 -21568120
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 21568121 can be divided by 4 positive divisors. The sum of these divisors (counting 21568121) is 1, the average is 0.25.

Base conversion 21568121

Base System Value
2 Binary 1010010010001101001111001
3 Ternary 1111120202220022
4 Quaternary 1102101221321
5 Quinary 21010134441
6 Senary 2050140225
8 Octal 122215171
10 Decimal 21568121
12 Duodecimal 7281675
16 Hexadecimal 1491a79
20 Vigesimal 6eg061
36 Base36 cua2h

Cryptographic Hash Functions

md5 bb06ce52993b97eac0edc934eb977584
sha1 97a8231ec9de747167d1193a6fd44e2134ebaf9a
sha256 084fe1c4bd81998f63ea24a43b77f4b6beaeb8d3c2cd4f7481bb602459203aab
sha512 ea0e20b1b1adc3e89c646fa4434f76625169fddfa2f1ee280eca64fdcafeee582e4d5cb0beae2fc11bc433959e6988fb6aea433099ba12363c7db278ce2006f6
ripemd-160 b3492042577313286e0c3a9f5ca6cfe4dc523af0

21568121 as geometric shapes

Circle

Radius = n
Diameter 43136242
Circumference 135516500.97067
Area 1.461418145216E+15

Sphere

Radius = n
Volume 4.202672451682E+22
Surface area 5.8456725808641E+15
Circumference 135516500.97067

Square

Length = n
Perimeter 86272484
Area 465183843470641
Diagonal 30501929.233104

Cube

Length = n
Surface area 2791103060823846
Volume 1.003314142322E+22
Space diagonal 37357081.395793

Equilateral Triangle

Length = n
Perimeter 64704363
Area 2.0143051293783E+14
Altitude 18678540.697897

Triangular Pyramid

Length = n
Surface area 2.0143051293783E+14
Volume 1.1824170561604E+21
Height 10167309.744368