20021647 (number)

20021647 is an odd 8-digits composite number following 20021646 and preceding 20021648. In scientific notation, it is written as 2.0021647 × 10^7. The sum of its digits is 22. It has a total of 2 prime factors and 4 positive divisors. There are 19868680 positive integers (up to 20021647) that are relatively prime to 20021647.

Interesting facts

Basic properties

Name

Name twenty million twenty-one thousand six hundred forty-seven

Notation

Scientific notation 2.0021647 × 10^7
Engineering notation 2.0021647 × 10^6

Prime Factorization of 20021647

Prime Factorization 131 × 152837

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20021647
Product of the distinct prime numbers

The prime factorization of 20021647 is 131 × 152837. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20021647)

Multiplication

n×y
n×2 40043294
n×3 60064941
n×4 80086588
n×5 100108235

Division

n÷y
n÷2 10010823.5
n÷3 6673882.3333333
n÷3 5005411.75
n÷5 4004329.4

Exponentiation

ny
n2 400866348592609
n3 8.0260045257002E+21
n4 1.6069382943397E+29
n5 3.2173551280052E+36

Nth Root

y√n
2√n 4474.5555086511
3√n 271.53965801219
4√n 66.89211843447
5√n 28.860241440718

Divisors of 20021647

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 -20021646
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 20021647 can be divided by 4 positive divisors. The sum of these divisors (counting 20021647) is 1, the average is 0.25.

Base conversion 20021647

Base System Value
2 Binary 1001100011000000110001111
3 Ternary 1101200012112111
4 Quaternary 1030120012033
5 Quinary 20111143042
6 Senary 1553044451
8 Octal 114300617
10 Decimal 20021647
12 Duodecimal 6856727
16 Hexadecimal 131818f
20 Vigesimal 652e27
36 Base36 bx4sv

Cryptographic Hash Functions

md5 1aab2af86a053884cfbde2670bef2435
sha1 92801bd0024b4f04bddde5f5bdad0b8ee3342767
sha256 7b6ad5e61686a562e3962dd779312caabf055d9ab1c2ae4c774bce4c1bf53b28
sha512 c183825ec6babbcb8314a475b1c28309d06a993a0730227035524ab20b18fa4f34389edaa4074abd84d6ce86671cb5fb3d6c52b47703f1db8bf0c18b6fa89d78
ripemd-160 982dd5fb24df831b54abb4fdcad0abb901d4941f

20021647 as geometric shapes

Circle

Radius = n
Diameter 40043294
Circumference 125799718.25594
Area 1.2593587758099E+15

Sphere

Radius = n
Volume 3.3619249140824E+22
Surface area 5.0374351032396E+15
Circumference 125799718.25594

Square

Length = n
Perimeter 80086588
Area 400866348592609
Diagonal 28314884.728447

Cube

Length = n
Surface area 2405198091555654
Volume 8.0260045257002E+21
Space diagonal 34678509.855209

Equilateral Triangle

Length = n
Perimeter 60064941
Area 1.7358022070175E+14
Altitude 17339254.927604

Triangular Pyramid

Length = n
Surface area 1.7358022070175E+14
Volume 9.4587370432608E+20
Height 9438294.9094822