21909461 (number)

21909461 is an odd 8-digits composite number following 21909460 and preceding 21909462. In scientific notation, it is written as 2.1909461 × 10^7. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 18779532 positive integers (up to 21909461) that are relatively prime to 21909461.

Interesting facts

Basic properties

Name

Name twenty-one million nine hundred nine thousand four hundred sixty-one

Notation

Scientific notation 2.1909461 × 10^7
Engineering notation 2.1909461 × 10^6

Prime Factorization of 21909461

Prime Factorization 7 × 3129923

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21909461
Product of the distinct prime numbers

The prime factorization of 21909461 is 7 × 3129923. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21909461)

Multiplication

n×y
n×2 43818922
n×3 65728383
n×4 87637844
n×5 109547305

Division

n÷y
n÷2 10954730.5
n÷3 7303153.6666667
n÷3 5477365.25
n÷5 4381892.2

Exponentiation

ny
n2 480024481310521
n3 1.0517077652318E+22
n4 2.3042350265743E+29
n5 5.0484547449565E+36

Nth Root

y√n
2√n 4680.7543195515
3√n 279.81901995219
4√n 68.416038467245
5√n 29.385043550407

Divisors of 21909461

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 -21909460
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 21909461 can be divided by 4 positive divisors. The sum of these divisors (counting 21909461) is 1, the average is 0.25.

Base conversion 21909461

Base System Value
2 Binary 1010011100100111111010101
3 Ternary 1112020010010112
4 Quaternary 1103210333111
5 Quinary 21102100321
6 Senary 2101332405
8 Octal 123447725
10 Decimal 21909461
12 Duodecimal 7407105
16 Hexadecimal 14e4fd5
20 Vigesimal 6gidd1
36 Base36 d1lg5

Cryptographic Hash Functions

md5 83b59b9b2d5276ef8823246fd8d1e70a
sha1 bbb8fdf22ac16fc66c47edb4ee43333826b2975e
sha256 ed0044a62ac9c7a5d542e3030769e297543460757358e82bf4b820db4226b70b
sha512 4c6d5d3977e55fc4a46f2b97dfaba8408fb3592faba3f34e4b2964fca86f432c4174f5d402d151531b4a5774a26229b307d7489c59ceff236792feff0903c4c4
ripemd-160 de0aa2fbfd6146b01fa62e9a7db4cf81c8ffb72a

21909461 as geometric shapes

Circle

Radius = n
Diameter 43818922
Circumference 137661203.44342
Area 1.5080413840284E+15

Sphere

Radius = n
Volume 4.4053831853008E+22
Surface area 6.0321655361135E+15
Circumference 137661203.44342

Square

Length = n
Perimeter 87637844
Area 480024481310521
Diagonal 30984656.890484

Cube

Length = n
Surface area 2880146887863126
Volume 1.0517077652318E+22
Space diagonal 37948299.618449

Equilateral Triangle

Length = n
Perimeter 65728383
Area 2.0785669762668E+14
Altitude 18974149.809224

Triangular Pyramid

Length = n
Surface area 2.0785669762668E+14
Volume 1.2394494877033E+21
Height 10328218.963495