21720009 (number)

21720009 is an odd 8-digits composite number following 21720008 and preceding 21720010. In scientific notation, it is written as 2.1720009 × 10^7. The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors. There are 14433120 positive integers (up to 21720009) that are relatively prime to 21720009.

Interesting facts

Basic properties

Name

Name twenty-one million seven hundred twenty thousand nine

Notation

Scientific notation 2.1720009 × 10^7
Engineering notation 2.1720009 × 10^6

Prime Factorization of 21720009

Prime Factorization 3 × 313 × 23131

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21720009
Product of the distinct prime numbers

The prime factorization of 21720009 is 3 × 313 × 23131. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21720009)

Multiplication

n×y
n×2 43440018
n×3 65160027
n×4 86880036
n×5 108600045

Division

n÷y
n÷2 10860004.5
n÷3 7240003
n÷3 5430002.25
n÷5 4344001.8

Exponentiation

ny
n2 471758790960081
n3 1.0246605185482E+22
n4 2.2255635684812E+29
n5 4.8339260737483E+36

Nth Root

y√n
2√n 4660.4730446597
3√n 279.0101485241
4√n 68.267657383711
5√n 29.334048126994

Divisors of 21720009

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 -21720008
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 21720009 can be divided by 8 positive divisors. The sum of these divisors (counting 21720009) is 1, the average is 0.125.

Base conversion 21720009

Base System Value
2 Binary 1010010110110101111001001
3 Ternary 1111212111020210
4 Quaternary 1102312233021
5 Quinary 21030020014
6 Senary 2053311333
8 Octal 122665711
10 Decimal 21720009
12 Duodecimal 7335549
16 Hexadecimal 14b6bc9
20 Vigesimal 6ff009
36 Base36 cxj9l

Cryptographic Hash Functions

md5 28734136abd594d426d5cae84e755baf
sha1 9c50958f5a3ff02bdfe2d0ea8a284dc0888e968c
sha256 fdf3cad128f197b339778429503df601315530995ab15c5212fdb93aa2c81fe3
sha512 cd10e909d7357977d4493b140a133e31e0f751a8f5c81861213fac88afdd42fbc51642dcbc6dc6085d73f077b5dcced4eac178b859e3860a563167461acffe75
ripemd-160 5addd2a68febc9b9770e551601fd58f1d91bed7d

21720009 as geometric shapes

Circle

Radius = n
Diameter 43440018
Circumference 136470841.42061
Area 1.4820739519466E+15

Sphere

Radius = n
Volume 4.2920879433261E+22
Surface area 5.9282958077864E+15
Circumference 136470841.42061

Square

Length = n
Perimeter 86880036
Area 471758790960081
Diagonal 30716731.302666

Cube

Length = n
Surface area 2830552745760486
Volume 1.0246605185482E+22
Space diagonal 37620159.128853

Equilateral Triangle

Length = n
Perimeter 65160027
Area 2.0427754871503E+14
Altitude 18810079.564427

Triangular Pyramid

Length = n
Surface area 2.0427754871503E+14
Volume 1.2075740017993E+21
Height 10238910.434222