21091646 (number)

21091646 is an even 8-digits composite number following 21091645 and preceding 21091647. In scientific notation, it is written as 2.1091646 × 10^7. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 10545822 positive integers (up to 21091646) that are relatively prime to 21091646.

Interesting facts

Basic properties

Name

Name twenty-one million ninety-one thousand six hundred forty-six

Notation

Scientific notation 2.1091646 × 10^7
Engineering notation 2.1091646 × 10^6

Prime Factorization of 21091646

Prime Factorization 2 × 10545823

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21091646
Product of the distinct prime numbers

The prime factorization of 21091646 is 2 × 10545823. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21091646)

Multiplication

n×y
n×2 42183292
n×3 63274938
n×4 84366584
n×5 105458230

Division

n÷y
n÷2 10545823
n÷3 7030548.6666667
n÷3 5272911.5
n÷5 4218329.2

Exponentiation

ny
n2 444857530989316
n3 9.3827775640607E+21
n4 1.9789822287791E+29
n5 4.17399926097E+36

Nth Root

y√n
2√n 4592.5642074989
3√n 276.29317548247
4√n 67.768460270976
5√n 29.162321579351

Divisors of 21091646

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 -21091645
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 21091646 can be divided by 4 positive divisors. The sum of these divisors (counting 21091646) is 1, the average is 0.25.

Base conversion 21091646

Base System Value
2 Binary 1010000011101010100111110
3 Ternary 1110200120022002
4 Quaternary 1100131110332
5 Quinary 20344413041
6 Senary 2032022302
8 Octal 120352476
10 Decimal 21091646
12 Duodecimal 7091992
16 Hexadecimal 141d53e
20 Vigesimal 6bg926
36 Base36 ck2f2

Cryptographic Hash Functions

md5 5ea90abaecf91c8944fd73d67e1cc859
sha1 8ce6d2a6b4d8af5a05be7d629f7a9b92547708d2
sha256 30e120cf16a706c53beecbe3be6e04d43cc75c682147fb3ccbff7e7e181c7c71
sha512 307c8a129818b503fb6dc47e794d8186075fa4ae269fa1d13a5ba95f3b2137e452d2a17e866dd6349f5b4deddb55f53897bc63048bce61d83f91348d19241471
ripemd-160 83dbbed8102ff8df85f380948d9a57059de96f08

21091646 as geometric shapes

Circle

Radius = n
Diameter 42183292
Circumference 132522720.25143
Area 1.3975611512501E+15

Sphere

Radius = n
Volume 3.9302486754027E+22
Surface area 5.5902446050005E+15
Circumference 132522720.25143

Square

Length = n
Perimeter 84366584
Area 444857530989316
Diagonal 29828091.825972

Cube

Length = n
Surface area 2669145185935896
Volume 9.3827775640607E+21
Space diagonal 36531802.487257

Equilateral Triangle

Length = n
Perimeter 63274938
Area 1.9262896145079E+14
Altitude 18265901.243628

Triangular Pyramid

Length = n
Surface area 1.9262896145079E+14
Volume 1.1057709403187E+21
Height 9942697.2753241