21356811 (number)

21356811 is an odd 8-digits composite number following 21356810 and preceding 21356812. In scientific notation, it is written as 2.1356811 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 12 positive divisors. There are 10986624 positive integers (up to 21356811) that are relatively prime to 21356811.

Interesting facts

Basic properties

Name

Name twenty-one million three hundred fifty-six thousand eight hundred eleven

Notation

Scientific notation 2.1356811 × 10^7
Engineering notation 2.1356811 × 10^6

Prime Factorization of 21356811

Prime Factorization 8211 × 9 × 17 × 17

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 1256283
Product of the distinct prime numbers

The prime factorization of 21356811 is 8211 × 9 × 17 × 17. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 8, 90, 32, 248, 657, 1236, 7998, 82603, 52644, 515553, 320883, 2754512, 5074613, 25223759, 36729478, 657622480, 129527552, 4997702662, 3149739999

Basic calculations (n = 21356811)

Multiplication

n×y
n×2 42713622
n×3 64070433
n×4 85427244
n×5 106784055

Division

n÷y
n÷2 10678405.5
n÷3 7118937
n÷3 5339202.75
n÷5 4271362.2

Exponentiation

ny
n2 456113376089721
n3 9.7411271677201E+21
n4 2.0803941184796E+29
n5 4.4430583993881E+36

Nth Root

y√n
2√n 4621.342986622
3√n 277.44621309615
4√n 67.980460329583
5√n 29.235281563754

Divisors of 21356811

1, 9, 17, 153, 289, 2601, 8211, 73899, 139587, 1256283, 2372979, 21356811

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21356810
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21356811 can be divided by 12 positive divisors. The sum of these divisors (counting 21356811) is 1, the average is 0.083333333333333.

Base conversion 21356811

Base System Value
2 Binary 1010001011110000100001011
3 Ternary 1111012001001000
4 Quaternary 1101132010023
5 Quinary 20431404221
6 Senary 2041430043
8 Octal 121360413
10 Decimal 21356811
12 Duodecimal 719b323
16 Hexadecimal 145e10b
20 Vigesimal 6d9c0b
36 Base36 cpr0r

Cryptographic Hash Functions

md5 c1aaf64e21627124ed6b7267ce95692b
sha1 87ce9cd4240087a971a339b1882585f6d8269955
sha256 4399be95536c54a526f42a21204f4b77814316bc48a8de1274543825d550d24f
sha512 2a9a7eba7bb3ab3d8c43bc62ce23087e8e89d7c95702d51bc1196a4facec721022b274249f81ffd4871c629c284101acbfbf0bf00105e36f8b24bdc57ce9319a
ripemd-160 813892eb55dc72ede306a048ea4ce1d5173bc4b4

21356811 as geometric shapes

Circle

Radius = n
Diameter 42713622
Circumference 134188801.08341
Area 1.4329224315275E+15

Sphere

Radius = n
Volume 4.0803538063725E+22
Surface area 5.73168972611E+15
Circumference 134188801.08341

Square

Length = n
Perimeter 85427244
Area 456113376089721
Diagonal 30203091.765239

Cube

Length = n
Surface area 2736680256538326
Volume 9.7411271677201E+21
Space diagonal 36991081.739646

Equilateral Triangle

Length = n
Perimeter 64070433
Area 1.9750288534979E+14
Altitude 18495540.869823

Triangular Pyramid

Length = n
Surface area 1.9750288534979E+14
Volume 1.1480028461159E+21
Height 10067697.25508