21082008 (number)

21082008 is an even 8-digits composite number following 21082007 and preceding 21082009. In scientific notation, it is written as 2.1082008 × 10^7. The sum of its digits is 21. It has a total of 6 prime factors and 32 positive divisors. There are 6837120 positive integers (up to 21082008) that are relatively prime to 21082008.

Interesting facts

Basic properties

Name

Name twenty-one million eighty-two thousand eight

Notation

Scientific notation 2.1082008 × 10^7
Engineering notation 2.1082008 × 10^6

Prime Factorization of 21082008

Prime Factorization 2 × 2 × 2 × 3 × 37 × 23741

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 5270502
Product of the distinct prime numbers

The prime factorization of 21082008 is 2 × 2 × 2 × 3 × 37 × 23741. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21082008)

Multiplication

n×y
n×2 42164016
n×3 63246024
n×4 84328032
n×5 105410040

Division

n÷y
n÷2 10541004
n÷3 7027336
n÷3 5270502
n÷5 4216401.6

Exponentiation

ny
n2 444451061312064
n3 9.3699208301894E+21
n4 1.9753674590142E+29
n5 4.1644712573877E+36

Nth Root

y√n
2√n 4591.5147827269
3√n 276.25108426238
4√n 67.760717106056
5√n 29.159655899833

Divisors of 21082008

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 -21082007
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 21082008 can be divided by 32 positive divisors. The sum of these divisors (counting 21082008) is 1, the average is 0.03125.

Base conversion 21082008

Base System Value
2 Binary 1010000011010111110011000
3 Ternary 1110200002002010
4 Quaternary 1100122332120
5 Quinary 20344111013
6 Senary 2031505520
8 Octal 120327630
10 Decimal 21082008
12 Duodecimal 70882a0
16 Hexadecimal 141af98
20 Vigesimal 6bf508
36 Base36 cjuzc

Cryptographic Hash Functions

md5 358fd9f286311b06df2cc727d1c9b124
sha1 47efdb1253d43c3bd301f5f56ab5114240b4ac3c
sha256 f452f2dbfe129d4606971ea419746d3ab7a794f6a4c19833b51cbe9ee4c9476a
sha512 b45db535906f5c2cb6a31bbbc54193902a95c07a74bad44b2b2d48a94e0ea178efafea49183fcc1143e4b2edc6594b377e8805905b19aa631601e1015cf2ad0b
ripemd-160 626f977bc4ba661b8c87ed8f77b5039385c0990f

21082008 as geometric shapes

Circle

Radius = n
Diameter 42164016
Circumference 132462162.91144
Area 1.3962841890982E+15

Sphere

Radius = n
Volume 3.9248632593121E+22
Surface area 5.5851367563927E+15
Circumference 132462162.91144

Square

Length = n
Perimeter 84328032
Area 444451061312064
Diagonal 29814461.635658

Cube

Length = n
Surface area 2666706367872384
Volume 9.3699208301894E+21
Space diagonal 36515108.981574

Equilateral Triangle

Length = n
Perimeter 63246024
Area 1.924529549176E+14
Altitude 18257554.490787

Triangular Pyramid

Length = n
Surface area 1.924529549176E+14
Volume 1.1042557597013E+21
Height 9938153.8785527