21082645 (number)

21082645 is an odd 8-digits composite number following 21082644 and preceding 21082646. In scientific notation, it is written as 2.1082645 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 16767936 positive integers (up to 21082645) that are relatively prime to 21082645.

Interesting facts

Basic properties

Name

Name twenty-one million eighty-two thousand six hundred forty-five

Notation

Scientific notation 2.1082645 × 10^7
Engineering notation 2.1082645 × 10^6

Prime Factorization of 21082645

Prime Factorization 5 × 173 × 24373

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21082645
Product of the distinct prime numbers

The prime factorization of 21082645 is 5 × 173 × 24373. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21082645)

Multiplication

n×y
n×2 42165290
n×3 63247935
n×4 84330580
n×5 105413225

Division

n÷y
n÷2 10541322.5
n÷3 7027548.3333333
n÷3 5270661.25
n÷5 4216529

Exponentiation

ny
n2 444477920196025
n3 9.3707702018311E+21
n4 1.9756062154178E+29
n5 4.1651004499448E+36

Nth Root

y√n
2√n 4591.5841492888
3√n 276.25386657433
4√n 67.761228953501
5√n 29.159832111475

Divisors of 21082645

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 -21082644
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 21082645 can be divided by 8 positive divisors. The sum of these divisors (counting 21082645) is 1, the average is 0.125.

Base conversion 21082645

Base System Value
2 Binary 1010000011011001000010101
3 Ternary 1110200002221201
4 Quaternary 1100123020111
5 Quinary 20344121040
6 Senary 2031512501
8 Octal 120331025
10 Decimal 21082645
12 Duodecimal 7088731
16 Hexadecimal 141b215
20 Vigesimal 6bf6c5
36 Base36 cjvh1

Cryptographic Hash Functions

md5 9d56eed41a20213c927d52ca983af3e1
sha1 2b1a4c910e6e75b1b835946bb711c037d078c7e1
sha256 4ea45593a653d838866db1dd2862e7d7f3aa0274bbeda6e854a9697be4a8e9b2
sha512 0939146a5c70623e434b0aa278f5aafaff2de992b6dd64ea3bcef489fbe59ad5b762474f86a484f0b95264e3646a4b10640be493b72b29d05fa92795b5c4f82b
ripemd-160 d00cb77f94e61f4232d56303c25cbca800f64b97

21082645 as geometric shapes

Circle

Radius = n
Diameter 42165290
Circumference 132466165.30048
Area 1.3963685687707E+15

Sphere

Radius = n
Volume 3.9252190432734E+22
Surface area 5.5854742750828E+15
Circumference 132466165.30048

Square

Length = n
Perimeter 84330580
Area 444477920196025
Diagonal 29815362.489697

Cube

Length = n
Surface area 2666867521176150
Volume 9.3707702018311E+21
Space diagonal 36516212.297938

Equilateral Triangle

Length = n
Perimeter 63247935
Area 1.9246458515552E+14
Altitude 18258106.148969

Triangular Pyramid

Length = n
Surface area 1.9246458515552E+14
Volume 1.1043558591093E+21
Height 9938454.1632324