21092009 (number)

21092009 is an odd 8-digits composite number following 21092008 and preceding 21092010. In scientific notation, it is written as 2.1092009 × 10^7. The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors. There are 20997204 positive integers (up to 21092009) that are relatively prime to 21092009.

Interesting facts

Basic properties

Name

Name twenty-one million ninety-two thousand nine

Notation

Scientific notation 2.1092009 × 10^7
Engineering notation 2.1092009 × 10^6

Prime Factorization of 21092009

Prime Factorization 223 × 94583

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21092009
Product of the distinct prime numbers

The prime factorization of 21092009 is 223 × 94583. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21092009)

Multiplication

n×y
n×2 42184018
n×3 63276027
n×4 84368036
n×5 105460045

Division

n÷y
n÷2 10546004.5
n÷3 7030669.6666667
n÷3 5273002.25
n÷5 4218401.8

Exponentiation

ny
n2 444872843656081
n3 9.3832620222497E+21
n4 1.9791184702265E+29
n5 4.1743584586083E+36

Nth Root

y√n
2√n 4592.6037277344
3√n 276.294760531
4√n 67.768751853154
5√n 29.162421958902

Divisors of 21092009

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 -21092008
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 21092009 can be divided by 4 positive divisors. The sum of these divisors (counting 21092009) is 1, the average is 0.25.

Base conversion 21092009

Base System Value
2 Binary 1010000011101011010101001
3 Ternary 1110200120210112
4 Quaternary 1100131122221
5 Quinary 20344421014
6 Senary 2032024105
8 Octal 120353251
10 Decimal 21092009
12 Duodecimal 7092035
16 Hexadecimal 141d6a9
20 Vigesimal 6bga09
36 Base36 ck2p5

Cryptographic Hash Functions

md5 6f4c3a68e2c09ba0415405c1eba5d8a5
sha1 567100ed0fbc142ae4f45e45bd3d03a415fd7003
sha256 b3fa71a60a180014d1fcb6f5059aa986d1ca06f3b62eb6ec408cae73dc05d06b
sha512 ed26d962d40e7784cbf09738ae60b2b7ddf2937e5f24f9d3b159e918834ddd2a57cdd6264020c20ec070b4034f536460d959f9357fe3121732d2335d0ddd0cab
ripemd-160 8c18afd1a80d8b4548d036887ae9481a14c959d0

21092009 as geometric shapes

Circle

Radius = n
Diameter 42184018
Circumference 132525001.0477
Area 1.3976092574115E+15

Sphere

Radius = n
Volume 3.9304516047743E+22
Surface area 5.5904370296462E+15
Circumference 132525001.0477

Square

Length = n
Perimeter 84368036
Area 444872843656081
Diagonal 29828605.185495

Cube

Length = n
Surface area 2669237061936486
Volume 9.3832620222497E+21
Space diagonal 36532431.2217

Equilateral Triangle

Length = n
Perimeter 63276027
Area 1.9263559202999E+14
Altitude 18266215.61085

Triangular Pyramid

Length = n
Surface area 1.9263559202999E+14
Volume 1.1058280342638E+21
Height 9942868.3951651