21082009 (number)

21082009 is an odd 8-digits composite number following 21082008 and preceding 21082010. In scientific notation, it is written as 2.1082009 × 10^7. The sum of its digits is 22. It has a total of 3 prime factors and 8 positive divisors. There are 19429200 positive integers (up to 21082009) that are relatively prime to 21082009.

Interesting facts

Basic properties

Name

Name twenty-one million eighty-two thousand nine

Notation

Scientific notation 2.1082009 × 10^7
Engineering notation 2.1082009 × 10^6

Prime Factorization of 21082009

Prime Factorization 13 × 1051 × 1543

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21082009
Product of the distinct prime numbers

The prime factorization of 21082009 is 13 × 1051 × 1543. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21082009)

Multiplication

n×y
n×2 42164018
n×3 63246027
n×4 84328036
n×5 105410045

Division

n÷y
n÷2 10541004.5
n÷3 7027336.3333333
n÷3 5270502.25
n÷5 4216401.8

Exponentiation

ny
n2 444451103476081
n3 9.3699221635427E+21
n4 1.9753678338111E+29
n5 4.1644722450715E+36

Nth Root

y√n
2√n 4591.5148916235
3√n 276.25108863026
4√n 67.760717909593
5√n 29.159656176463

Divisors of 21082009

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 -21082008
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 21082009 can be divided by 8 positive divisors. The sum of these divisors (counting 21082009) is 1, the average is 0.125.

Base conversion 21082009

Base System Value
2 Binary 1010000011010111110011001
3 Ternary 1110200002002011
4 Quaternary 1100122332121
5 Quinary 20344111014
6 Senary 2031505521
8 Octal 120327631
10 Decimal 21082009
12 Duodecimal 70882a1
16 Hexadecimal 141af99
20 Vigesimal 6bf509
36 Base36 cjuzd

Cryptographic Hash Functions

md5 a1ac83526b1cfa7be6b240c7d4564888
sha1 28629a1dc3af48f0286ead9defa09132819249cc
sha256 c09bd0befa254119f705f84aa767afeeb994a07701fd818611fc252d3aeb5a8a
sha512 d8c187c50787359706f6d04bf66019f33a5095ad5eab18760c2ef5de5269edf83489e1251fce65aec75ad7ab25be5714bc7eff00afd82869f0b8d037fedf4480
ripemd-160 345eca8fa950196da54773b3b6b85956d086f79b

21082009 as geometric shapes

Circle

Radius = n
Diameter 42164018
Circumference 132462169.19463
Area 1.3962843215603E+15

Sphere

Radius = n
Volume 3.9248638178258E+22
Surface area 5.5851372862413E+15
Circumference 132462169.19463

Square

Length = n
Perimeter 84328036
Area 444451103476081
Diagonal 29814463.049872

Cube

Length = n
Surface area 2666706620856486
Volume 9.3699221635427E+21
Space diagonal 36515110.713624

Equilateral Triangle

Length = n
Perimeter 63246027
Area 1.9245297317516E+14
Altitude 18257555.356812

Triangular Pyramid

Length = n
Surface area 1.9245297317516E+14
Volume 1.1042559168385E+21
Height 9938154.3499572