21361255 (number)

21361255 is an odd 8-digits composite number following 21361254 and preceding 21361256. In scientific notation, it is written as 2.1361255 × 10^7. The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors. There are 16499616 positive integers (up to 21361255) that are relatively prime to 21361255.

Interesting facts

Basic properties

Name

Name twenty-one million three hundred sixty-one thousand two hundred fifty-five

Notation

Scientific notation 2.1361255 × 10^7
Engineering notation 2.1361255 × 10^6

Prime Factorization of 21361255

Prime Factorization 145 × 147319

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21361255
Product of the distinct prime numbers

The prime factorization of 21361255 is 145 × 147319. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21361255)

Multiplication

n×y
n×2 42722510
n×3 64083765
n×4 85445020
n×5 106806275

Division

n÷y
n÷2 10680627.5
n÷3 7120418.3333333
n÷3 5340313.75
n÷5 4272251

Exponentiation

ny
n2 456303215175025
n3 9.7472093366736E+21
n4 2.0821262417907E+29
n5 4.4476829593082E+36

Nth Root

y√n
2√n 4621.8237742259
3√n 277.46545575463
4√n 67.98399645671
5√n 29.236498138445

Divisors of 21361255

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 -21361254
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 21361255 can be divided by 4 positive divisors. The sum of these divisors (counting 21361255) is 1, the average is 0.25.

Base conversion 21361255

Base System Value
2 Binary 1010001011111001001100111
3 Ternary 1111012021010121
4 Quaternary 1101133021213
5 Quinary 20432030010
6 Senary 2041502411
8 Octal 121371147
10 Decimal 21361255
12 Duodecimal 71a1a07
16 Hexadecimal 145f267
20 Vigesimal 6da32f
36 Base36 cpug7

Cryptographic Hash Functions

md5 d6e6312fe2ffa55b7b2c9bc8098541a9
sha1 eb067365b90c22bfce7d0ed6f00f0ba42208c983
sha256 9e525a69d57d269125a8b7fc4675565118fbfc34e08056ba99b5cc0fa2a74da3
sha512 617e11633cf5c4de9aa23ddbcc133231492633fb2e848b06b8ef7c5f514c967e41f177692177b7c871ae444fb42028ce93ddb0aa5dd03d694a379b04864ff4af
ripemd-160 0c8bfd1aec7c54681fb77b6d10f4b09d7b8b6159

21361255 as geometric shapes

Circle

Radius = n
Diameter 42722510
Circumference 134216723.55892
Area 1.4335188286033E+15

Sphere

Radius = n
Volume 4.0829014993461E+22
Surface area 5.734075314413E+15
Circumference 134216723.55892

Square

Length = n
Perimeter 85445020
Area 456303215175025
Diagonal 30209376.53031

Cube

Length = n
Surface area 2737819291050150
Volume 9.7472093366736E+21
Space diagonal 36998778.973435

Equilateral Triangle

Length = n
Perimeter 64083765
Area 1.9758508808504E+14
Altitude 18499389.486717

Triangular Pyramid

Length = n
Surface area 1.9758508808504E+14
Volume 1.1487196366011E+21
Height 10069792.17677