21009040 (number)

21009040 is an even 8-digits composite number following 21009039 and preceding 21009041. In scientific notation, it is written as 2.1009040 × 10^7. The sum of its digits is 16. It has a total of 6 prime factors and 20 positive divisors. There are 7756800 positive integers (up to 21009040) that are relatively prime to 21009040.

Interesting facts

Basic properties

Name

Name twenty-one million nine thousand forty

Notation

Scientific notation 2.1009040 × 10^7
Engineering notation 2.1009040 × 10^6

Prime Factorization of 21009040

Prime Factorization 2 × 2 × 2 × 2 × 65 × 20201

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 2626130
Product of the distinct prime numbers

The prime factorization of 21009040 is 2 × 2 × 2 × 2 × 65 × 20201. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21009040)

Multiplication

n×y
n×2 42018080
n×3 63027120
n×4 84036160
n×5 105045200

Division

n÷y
n÷2 10504520
n÷3 7003013.3333333
n÷3 5252260
n÷5 4201808

Exponentiation

ny
n2 441379761721600
n3 9.2729650691996E+21
n4 1.9481609405742E+29
n5 4.092899112696E+36

Nth Root

y√n
2√n 4583.5619336931
3√n 275.93200033116
4√n 67.702008343129
5√n 29.139442705245

Divisors of 21009040

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21009039
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21009040 can be divided by 20 positive divisors. The sum of these divisors (counting 21009040) is 1, the average is 0.05.

Base conversion 21009040

Base System Value
2 Binary 1010000001001001010010000
3 Ternary 1110112100222121
4 Quaternary 1100021022100
5 Quinary 20334242130
6 Senary 2030144024
8 Octal 120111220
10 Decimal 21009040
12 Duodecimal 7052014
16 Hexadecimal 1409290
20 Vigesimal 6b62c0
36 Base36 ciaog

Cryptographic Hash Functions

md5 65f05496049eef0b6520fe163b5a53d5
sha1 e0060ffc608d95430affcc5643617e21f0c2e265
sha256 bb98b80a395d9ffb149524e2e1fceb5254a01a90fb714f8e2bdd6ce57fd47a05
sha512 663fa1015d982405b59331396a7764b200d23e27df2508d6e9819843cbcdcd13138d29411840c00ba3881c68d860e1b3220b229b4f9ef141ea3560d4a0396437
ripemd-160 224e489a2fbd04faa21009f2f826250b2599e495

21009040 as geometric shapes

Circle

Radius = n
Diameter 42018080
Circumference 132003691.44595
Area 1.3866354168678E+15

Sphere

Radius = n
Volume 3.8842505251189E+22
Surface area 5.5465416674712E+15
Circumference 132003691.44595

Square

Length = n
Perimeter 84036160
Area 441379761721600
Diagonal 29711269.300439

Cube

Length = n
Surface area 2648278570329600
Volume 9.2729650691996E+21
Space diagonal 36388724.698247

Equilateral Triangle

Length = n
Perimeter 63027120
Area 1.9112304318361E+14
Altitude 18194362.349123

Triangular Pyramid

Length = n
Surface area 1.9112304318361E+14
Volume 1.0928294136895E+21
Height 9903756.4334796