21052008 (number)

21052008 is an even 8-digits composite number following 21052007 and preceding 21052009. In scientific notation, it is written as 2.1052008 × 10^7. The sum of its digits is 18. It has a total of 6 prime factors and 32 positive divisors. There are 7017264 positive integers (up to 21052008) that are relatively prime to 21052008.

Interesting facts

Basic properties

Name

Name twenty-one million fifty-two thousand eight

Notation

Scientific notation 2.1052008 × 10^7
Engineering notation 2.1052008 × 10^6

Prime Factorization of 21052008

Prime Factorization 2 × 2 × 2 × 9 × 3 × 97463

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 5263002
Product of the distinct prime numbers

The prime factorization of 21052008 is 2 × 2 × 2 × 9 × 3 × 97463. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21052008)

Multiplication

n×y
n×2 42104016
n×3 63156024
n×4 84208032
n×5 105260040

Division

n÷y
n÷2 10526004
n÷3 7017336
n÷3 5263002
n÷5 4210401.6

Exponentiation

ny
n2 443187040832064
n3 9.3299771290929E+21
n4 1.9641475316148E+29
n5 4.1349249548735E+36

Nth Root

y√n
2√n 4588.2467239677
3√n 276.1199856382
4√n 67.736598113337
5√n 29.151352250219

Divisors of 21052008

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21052007
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21052008 can be divided by 32 positive divisors. The sum of these divisors (counting 21052008) is 1, the average is 0.03125.

Base conversion 21052008

Base System Value
2 Binary 1010000010011101001101000
3 Ternary 1110121112221000
4 Quaternary 1100103221220
5 Quinary 20342131013
6 Senary 2031115000
8 Octal 120235150
10 Decimal 21052008
12 Duodecimal 7072a60
16 Hexadecimal 1413a68
20 Vigesimal 6bba08
36 Base36 cj7u0

Cryptographic Hash Functions

md5 dc0bae24d7c27c3b56a7011099a11b3b
sha1 f26b3a2deb3adc0879f98b393bc003aaedeb8c24
sha256 50b811390e2f22b7dffdd1315ab8e00d8f7da2517bfe173608e045715705c361
sha512 2292e9edd377d18d4c7e0086886d1a1103fc99fc09c827ba4e4a1d48bf1af89cdbc1f58f468940c3a829fd1eb1d283007cffc8cbff8e8df3ed21ceb04a520c6c
ripemd-160 31e3c1fb62f6821ba7febbf6dda4be99f3fc130b

21052008 as geometric shapes

Circle

Radius = n
Diameter 42104016
Circumference 132273667.35223
Area 1.3923131516442E+15

Sphere

Radius = n
Volume 3.9081316809226E+22
Surface area 5.5692526065768E+15
Circumference 132273667.35223

Square

Length = n
Perimeter 84208032
Area 443187040832064
Diagonal 29772035.228787

Cube

Length = n
Surface area 2659122244992384
Volume 9.3299771290929E+21
Space diagonal 36463147.457346

Equilateral Triangle

Length = n
Perimeter 63156024
Area 1.9190561799431E+14
Altitude 18231573.728673

Triangular Pyramid

Length = n
Surface area 1.9190561799431E+14
Volume 1.0995483493828E+21
Height 9924011.742929