21091760 (number)

21091760 is an even 8-digits composite number following 21091759 and preceding 21091761. In scientific notation, it is written as 2.1091760 × 10^7. The sum of its digits is 26. It has a total of 6 prime factors and 20 positive divisors. There are 8436672 positive integers (up to 21091760) that are relatively prime to 21091760.

Interesting facts

Basic properties

Name

Name twenty-one million ninety-one thousand seven hundred sixty

Notation

Scientific notation 2.1091760 × 10^7
Engineering notation 2.1091760 × 10^6

Prime Factorization of 21091760

Prime Factorization 2 × 2 × 2 × 2 × 5 × 263647

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 2636470
Product of the distinct prime numbers

The prime factorization of 21091760 is 2 × 2 × 2 × 2 × 5 × 263647. Since it has a total of 6 prime factors.

Most popular turbo-numbers

6, 7, 84, 10, 95, 905, 2639, 2139, 21329, 86418, 932507, 834653, 7056094, 2534580, 39763801, 65439441, 215254030, 989288503, 474353680, 1629112128

Basic calculations (n = 21091760)

Multiplication

n×y
n×2 42183520
n×3 63275280
n×4 84367040
n×5 105458800

Division

n÷y
n÷2 10545880
n÷3 7030586.6666667
n÷3 5272940
n÷5 4218352

Exponentiation

ny
n2 444862339897600
n3 9.3829297061586E+21
n4 1.9790250145917E+29
n5 4.1741120641764E+36

Nth Root

y√n
2√n 4592.5766188492
3√n 276.29367326826
4√n 67.768551842644
5√n 29.162353103656

Divisors of 21091760

1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 263647, 527294, 1054588, 1318235, 2109176, 2636470, 4218352, 5272940, 10545880, 21091760

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 -21091759
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 21091760 can be divided by 20 positive divisors. The sum of these divisors (counting 21091760) is 1, the average is 0.05.

Base conversion 21091760

Base System Value
2 Binary 1010000011101010110110000
3 Ternary 1110200120110022
4 Quaternary 1100131112300
5 Quinary 20344414020
6 Senary 2032023012
8 Octal 120352660
10 Decimal 21091760
12 Duodecimal 7091a68
16 Hexadecimal 141d5b0
20 Vigesimal 6bg980
36 Base36 ck2i8

Cryptographic Hash Functions

md5 05fff4a526162819b12b87a6ead57129
sha1 61ce8ddf9e08f1de79ae5f7266ae69447b35c224
sha256 6d6887f0085a3e7ec24fb79d2ddf0ff21a14431967cd9bef56dc054e574c6810
sha512 4cdc2c2e085ade0581ad61012ec09490ac890207890322fccc553230aa7655541b2870d9d310ad0f6137c8d032cdb8ec769fc140158144f118a976b16174d651
ripemd-160 d2833e915db608087b3f2cb634c679320753cc0a

21091760 as geometric shapes

Circle

Radius = n
Diameter 42183520
Circumference 132523436.53456
Area 1.3975762588811E+15

Sphere

Radius = n
Volume 3.9303124045356E+22
Surface area 5.5903050355243E+15
Circumference 132523436.53456

Square

Length = n
Perimeter 84367040
Area 444862339897600
Diagonal 29828253.046318

Cube

Length = n
Surface area 2669174039385600
Volume 9.3829297061586E+21
Space diagonal 36531999.941049

Equilateral Triangle

Length = n
Perimeter 63275280
Area 1.9263104376915E+14
Altitude 18265999.970524

Triangular Pyramid

Length = n
Surface area 1.9263104376915E+14
Volume 1.1057888704369E+21
Height 9942751.0154395