20215921 (number)

20215921 is an odd 8-digits composite number following 20215920 and preceding 20215922. In scientific notation, it is written as 2.0215921 × 10^7. The sum of its digits is 22. It has a total of 3 prime factors and 8 positive divisors. There are 18342240 positive integers (up to 20215921) that are relatively prime to 20215921.

Interesting facts

Basic properties

Name

Name twenty million two hundred fifteen thousand nine hundred twenty-one

Notation

Scientific notation 2.0215921 × 10^7
Engineering notation 2.0215921 × 10^6

Prime Factorization of 20215921

Prime Factorization 11 × 619 × 2969

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20215921
Product of the distinct prime numbers

The prime factorization of 20215921 is 11 × 619 × 2969. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20215921)

Multiplication

n×y
n×2 40431842
n×3 60647763
n×4 80863684
n×5 101079605

Division

n÷y
n÷2 10107960.5
n÷3 6738640.3333333
n÷3 5053980.25
n÷5 4043184.2

Exponentiation

ny
n2 408683461878241
n3 8.261912579337E+21
n4 1.6702217201278E+29
n5 3.3765070346588E+36

Nth Root

y√n
2√n 4496.2118499911
3√n 272.41510022431
4√n 67.053798177218
5√n 28.916032643617

Divisors of 20215921

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 -20215920
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 20215921 can be divided by 8 positive divisors. The sum of these divisors (counting 20215921) is 1, the average is 0.125.

Base conversion 20215921

Base System Value
2 Binary 1001101000111100001110001
3 Ternary 1102001002000211
4 Quaternary 1031013201301
5 Quinary 20133402141
6 Senary 2001144121
8 Octal 115074161
10 Decimal 20215921
12 Duodecimal 692b041
16 Hexadecimal 1347871
20 Vigesimal 666jg1
36 Base36 c1apd

Cryptographic Hash Functions

md5 26fac315350c964588bc5a2eb656b8dc
sha1 f563f7825967fe58b8df93e3cf14fcf996ea73aa
sha256 726aef6540bd2171af3ca5a8035a0ffe4544d38f19029a50ce87557ba598dc58
sha512 c023091e96028d198c1b98d9c35c057e61b55e4d1cdb7e337a5fffad3c92afa1498259a7f0204417e9e4eb9839c3175faccfefc9d303f74de810611e91980a18
ripemd-160 2cfaaa59f77e6876ea66639464068597460ca6c8

20215921 as geometric shapes

Circle

Radius = n
Diameter 40431842
Circumference 127020377.7983
Area 1.2839169614803E+15

Sphere

Radius = n
Volume 3.4607418485128E+22
Surface area 5.1356678459213E+15
Circumference 127020377.7983

Square

Length = n
Perimeter 80863684
Area 408683461878241
Diagonal 28589629.654063

Cube

Length = n
Surface area 2452100771269446
Volume 8.261912579337E+21
Space diagonal 35015002.293799

Equilateral Triangle

Length = n
Perimeter 60647763
Area 1.7696513004656E+14
Altitude 17507501.146899

Triangular Pyramid

Length = n
Surface area 1.7696513004656E+14
Volume 9.7367573506994E+20
Height 9529876.5513544