21642009 (number)

21642009 is an odd 8-digits composite number following 21642008 and preceding 21642010. In scientific notation, it is written as 2.1642009 × 10^7. The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors. There are 14395920 positive integers (up to 21642009) that are relatively prime to 21642009.

Interesting facts

Basic properties

Name

Name twenty-one million six hundred forty-two thousand nine

Notation

Scientific notation 2.1642009 × 10^7
Engineering notation 2.1642009 × 10^6

Prime Factorization of 21642009

Prime Factorization 3 × 463 × 15581

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21642009
Product of the distinct prime numbers

The prime factorization of 21642009 is 3 × 463 × 15581. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21642009)

Multiplication

n×y
n×2 43284018
n×3 64926027
n×4 86568036
n×5 108210045

Division

n÷y
n÷2 10821004.5
n÷3 7214003
n÷3 5410502.25
n÷5 4328401.8

Exponentiation

ny
n2 468376553556081
n3 1.013660958745E+22
n4 2.1937659592107E+29
n5 4.7477502633132E+36

Nth Root

y√n
2√n 4652.0972689745
3√n 278.67575801047
4√n 68.206284673588
5√n 29.31294915266

Divisors of 21642009

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 -21642008
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 21642009 can be divided by 8 positive divisors. The sum of these divisors (counting 21642009) is 1, the average is 0.125.

Base conversion 21642009

Base System Value
2 Binary 1010010100011101100011001
3 Ternary 1111201112020220
4 Quaternary 1102203230121
5 Quinary 21020021014
6 Senary 2051510253
8 Octal 122435431
10 Decimal 21642009
12 Duodecimal 72b8389
16 Hexadecimal 14a3b19
20 Vigesimal 6f5509
36 Base36 cvv2x

Cryptographic Hash Functions

md5 5dfc4c879f2a48a7fb740d4145caf9ba
sha1 98b6f3ec3bd5710a40c0f57b47fc9cd795764394
sha256 c55a8af200a2cc2bdeae3dd495476eafbbf7e3b1622d59f8e3d0b31c393019c9
sha512 22358148acace5bd26a70dc28156b4e7c9065d7e1964e887c5bea51d63487112ed933ae2efec8ea4b5a69ad525420d3366282768b6c23d8bc5d6a9ed1353e324
ripemd-160 6597cc5e0edbec166be3fe0f460cd898a484b84a

21642009 as geometric shapes

Circle

Radius = n
Diameter 43284018
Circumference 135980752.96665
Area 1.4714483397655E+15

Sphere

Radius = n
Volume 4.2460130949653E+22
Surface area 5.885793359062E+15
Circumference 135980752.96665

Square

Length = n
Perimeter 86568036
Area 468376553556081
Diagonal 30606422.644801

Cube

Length = n
Surface area 2810259321336486
Volume 1.013660958745E+22
Space diagonal 37485059.165863

Equilateral Triangle

Length = n
Perimeter 64926027
Area 2.0281299695828E+14
Altitude 18742529.582931

Triangular Pyramid

Length = n
Surface area 2.0281299695828E+14
Volume 1.1946108962544E+21
Height 10202140.8816