21052009 (number)

21052009 is an odd 8-digits composite number following 21052008 and preceding 21052010. In scientific notation, it is written as 2.1052009 × 10^7. The sum of its digits is 19. It has a total of 2 prime factors and 4 positive divisors. There are 19138180 positive integers (up to 21052009) that are relatively prime to 21052009.

Interesting facts

Basic properties

Name

Name twenty-one million fifty-two thousand nine

Notation

Scientific notation 2.1052009 × 10^7
Engineering notation 2.1052009 × 10^6

Prime Factorization of 21052009

Prime Factorization 11 × 1913819

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21052009
Product of the distinct prime numbers

The prime factorization of 21052009 is 11 × 1913819. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21052009)

Multiplication

n×y
n×2 42104018
n×3 63156027
n×4 84208036
n×5 105260045

Division

n÷y
n÷2 10526004.5
n÷3 7017336.3333333
n÷3 5263002.25
n÷5 4210401.8

Exponentiation

ny
n2 443187082936081
n3 9.3299784586541E+21
n4 1.9641479048139E+29
n5 4.1349259369474E+36

Nth Root

y√n
2√n 4588.2468329417
3√n 276.11999001023
4√n 67.736598917732
5√n 29.151352527165

Divisors of 21052009

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 -21052008
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 21052009 can be divided by 4 positive divisors. The sum of these divisors (counting 21052009) is 1, the average is 0.25.

Base conversion 21052009

Base System Value
2 Binary 1010000010011101001101001
3 Ternary 1110121112221001
4 Quaternary 1100103221221
5 Quinary 20342131014
6 Senary 2031115001
8 Octal 120235151
10 Decimal 21052009
12 Duodecimal 7072a61
16 Hexadecimal 1413a69
20 Vigesimal 6bba09
36 Base36 cj7u1

Cryptographic Hash Functions

md5 942725f7c374b6cc8e25fc35c6b8845d
sha1 c648ac04b2ea3b2b593fc1bcbaf4a7fd2f5c03de
sha256 9af5a3be94ff13313b58c3814b3a42ef733b30d1335066da4317626dc65fde08
sha512 694140e77a4218e600f0578935d755b59b8357103c35997c45d96aa8784fa9e51a0b101373eb91b48cc0a44435b32c0f2eec2a688a9885604807fa21c8762c45
ripemd-160 03e0e68f74685721b55eb9229d9719dbd12ee4f6

21052009 as geometric shapes

Circle

Radius = n
Diameter 42104018
Circumference 132273673.63541
Area 1.3923132839179E+15

Sphere

Radius = n
Volume 3.9081322378478E+22
Surface area 5.5692531356715E+15
Circumference 132273673.63541

Square

Length = n
Perimeter 84208036
Area 443187082936081
Diagonal 29772036.643

Cube

Length = n
Surface area 2659122497616486
Volume 9.3299784586541E+21
Space diagonal 36463149.189397

Equilateral Triangle

Length = n
Perimeter 63156027
Area 1.9190563622588E+14
Altitude 18231574.594699

Triangular Pyramid

Length = n
Surface area 1.9190563622588E+14
Volume 1.0995485060731E+21
Height 9924012.2143335