21197811 (number)

21197811 is an odd 8-digits composite number following 21197810 and preceding 21197812. In scientific notation, it is written as 2.1197811 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 13553568 positive integers (up to 21197811) that are relatively prime to 21197811.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred ninety-seven thousand eight hundred eleven

Notation

Scientific notation 2.1197811 × 10^7
Engineering notation 2.1197811 × 10^6

Prime Factorization of 21197811

Prime Factorization 3 × 167 × 29 × 1459

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21197811
Product of the distinct prime numbers

The prime factorization of 21197811 is 3 × 167 × 29 × 1459. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 4, 40, 60, 672, 538, 6523, 7160, 84237, 77557, 620326, 566389, 3572961, 4535692, 64318518, 145776, 540060870, 801334700, 9325158741, 2181526333

Basic calculations (n = 21197811)

Multiplication

n×y
n×2 42395622
n×3 63593433
n×4 84791244
n×5 105989055

Division

n÷y
n÷2 10598905.5
n÷3 7065937
n÷3 5299452.75
n÷5 4239562.2

Exponentiation

ny
n2 449347191191721
n3 9.525176832263E+21
n4 2.0191289823189E+29
n5 4.2801114551818E+36

Nth Root

y√n
2√n 4604.1080569422
3√n 276.75597461986
4√n 67.853578070299
5√n 29.191620412606

Divisors of 21197811

1, 3, 29, 87, 167, 501, 1459, 4377, 4843, 14529, 42311, 126933, 243653, 730959, 7065937, 21197811

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21197810
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21197811 can be divided by 16 positive divisors. The sum of these divisors (counting 21197811) is 1, the average is 0.0625.

Base conversion 21197811

Base System Value
2 Binary 1010000110111001111110011
3 Ternary 1110212221221010
4 Quaternary 1100313033303
5 Quinary 20411312221
6 Senary 2034202003
8 Octal 120671763
10 Decimal 21197811
12 Duodecimal 7123303
16 Hexadecimal 14373f3
20 Vigesimal 6c9eab
36 Base36 cmcc3

Cryptographic Hash Functions

md5 fee858c939d3b8eb51d9f35c10b85d4a
sha1 fd62fcd7c6aa12239bc467806e97527a60ea98d3
sha256 1f7980e1470a4efb01b90cfe96d61a14129c9bd376083ae68885dee89920f488
sha512 02639de0b74758c7520bddf7194309673f297335330c974489d5b97c0040cce46f9fda9492de38f29f77950a122529c3b4f4390652366c5266d93d98199c27e4
ripemd-160 627580dccada32db96aa795007042f3004fde857

21197811 as geometric shapes

Circle

Radius = n
Diameter 42395622
Circumference 133189774.61957
Area 1.4116658347591E+15

Sphere

Radius = n
Volume 3.9898967413841E+22
Surface area 5.6466633390365E+15
Circumference 133189774.61957

Square

Length = n
Perimeter 84791244
Area 449347191191721
Diagonal 29978231.808822

Cube

Length = n
Surface area 2696083147150326
Volume 9.525176832263E+21
Space diagonal 36715685.661242

Equilateral Triangle

Length = n
Perimeter 63593433
Area 1.9457304134561E+14
Altitude 18357842.830621

Triangular Pyramid

Length = n
Surface area 1.9457304134561E+14
Volume 1.1225528550157E+21
Height 9992743.9362739