21091009 (number)

21091009 is an odd 8-digits prime number following 21091008 and preceding 21091010. In scientific notation, it is written as 2.1091009 × 10^7. The sum of its digits is 22. It has a total of 1 prime factors and 2 positive divisors. There are 21091008 positive integers (up to 21091009) that are relatively prime to 21091009.

Interesting facts

Basic properties

Name

Name twenty-one million ninety-one thousand nine

Notation

Scientific notation 2.1091009 × 10^7
Engineering notation 2.1091009 × 10^6

Prime Factorization of 21091009

Prime Factorization 21091009

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 21091009
Product of the distinct prime numbers

The prime factorization of 21091009 is 21091009. Since it has a total of 1 prime factors.

Most popular turbo-numbers

10, 7, 30, 64, 307, 513, 27, 8596, 27069, 16997, 53628, 555735, 6203280, 2952549, 14336395, 66555775, 175206101, 851796947, 8883608960, 9600700651

Basic calculations (n = 21091009)

Multiplication

n×y
n×2 42182018
n×3 63273027
n×4 84364036
n×5 105455045

Division

n÷y
n÷2 10545504.5
n÷3 7030336.3333333
n÷3 5272752.25
n÷5 4218201.8

Exponentiation

ny
n2 444830660638081
n3 9.3819274669937E+21
n4 1.9787431664371E+29
n5 4.1733689932014E+36

Nth Root

y√n
2√n 4592.4948557402
3√n 276.29039396217
4√n 67.767948587368
5√n 29.162145427871

Divisors of 21091009

1, 21091009

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 21091010
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 10545505
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 4592.4949646135
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999051729
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21091009 can be divided by 2 positive divisors. The sum of these divisors (counting 21091009) is 21091010, the average is 10545505.

Base conversion 21091009

Base System Value
2 Binary 1010000011101001011000001
3 Ternary 1110200112102111
4 Quaternary 1100131023001
5 Quinary 20344403014
6 Senary 2032015321
8 Octal 120351301
10 Decimal 21091009
12 Duodecimal 7091541
16 Hexadecimal 141d2c1
20 Vigesimal 6bg7a9
36 Base36 ck1xd

Cryptographic Hash Functions

md5 0a0821a87ce47a3b641e792ba32d7085
sha1 cbd9823ed3a225357ef2740880a99d9ea59ae71d
sha256 4724ae31a94cae01669e7a84e6e577da0ed27427410210dc375965f971714268
sha512 11e730c688fcca8e08d23f3a1c5154f8e0cd7f8937bbac2b8a0c1904b1116aae73aa3847b337b91bd3f3009630db5602285f37b84817feff6cdea1fa89102974
ripemd-160 d66aa04e352b8e4e7dd574c5aebee2fe3ac945f3

21091009 as geometric shapes

Circle

Radius = n
Diameter 42182018
Circumference 132518717.86239
Area 1.3974767355521E+15

Sphere

Radius = n
Volume 3.929892587576E+22
Surface area 5.5899069422084E+15
Circumference 132518717.86239

Square

Length = n
Perimeter 84364036
Area 444830660638081
Diagonal 29827190.971933

Cube

Length = n
Surface area 2668983963828486
Volume 9.3819274669937E+21
Space diagonal 36530699.170892

Equilateral Triangle

Length = n
Perimeter 63273027
Area 1.926173262474E+14
Altitude 18265349.585446

Triangular Pyramid

Length = n
Surface area 1.926173262474E+14
Volume 1.1056707554186E+21
Height 9942396.9906443