21256875 (number)

21256875 is an odd 8-digits composite number following 21256874 and preceding 21256876. In scientific notation, it is written as 2.1256875 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors. There are 11334000 positive integers (up to 21256875) that are relatively prime to 21256875.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred fifty-six thousand eight hundred seventy-five

Notation

Scientific notation 2.1256875 × 10^7
Engineering notation 2.1256875 × 10^6

Prime Factorization of 21256875

Prime Factorization 45 × 25 × 5 × 3779

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21256875
Product of the distinct prime numbers

The prime factorization of 21256875 is 45 × 25 × 5 × 3779. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 10, 3, 7, 504, 338, 2255, 6937, 29156, 64484, 677422, 266887, 1750194, 2946155, 17854375, 17809373, 83657490, 265296549, 2529704780, 335136593

Basic calculations (n = 21256875)

Multiplication

n×y
n×2 42513750
n×3 63770625
n×4 85027500
n×5 106284375

Division

n÷y
n÷2 10628437.5
n÷3 7085625
n÷3 5314218.75
n÷5 4251375

Exponentiation

ny
n2 451854734765625
n3 9.605019615071E+21
n4 2.0417270133011E+29
n5 4.3400735905866E+36

Nth Root

y√n
2√n 4610.5178667911
3√n 277.01278032324
4√n 67.900794301621
5√n 29.207869783172

Divisors of 21256875

1, 5, 25, 45, 125, 225, 1125, 3779, 5625, 18895, 94475, 170055, 472375, 850275, 4251375, 21256875

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 -21256874
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 21256875 can be divided by 16 positive divisors. The sum of these divisors (counting 21256875) is 1, the average is 0.0625.

Base conversion 21256875

Base System Value
2 Binary 1010001000101101010101011
3 Ternary 1110222221221200
4 Quaternary 1101011222223
5 Quinary 20420210000
6 Senary 2035335243
8 Octal 121055253
10 Decimal 21256875
12 Duodecimal 7151523
16 Hexadecimal 1445aab
20 Vigesimal 6ch23f
36 Base36 cnlwr

Cryptographic Hash Functions

md5 c5f60d7cbfd7c6b5f8d0f3fc162526a1
sha1 1d3ab813fb7a90ce131946abdc9df7fd802f823c
sha256 478b1b3aa94cb1f10fb6c86694af19d0f192f10468328b965a672e6b910e4847
sha512 9f189861593bcf4d3627254ec0ec6a9b2c39e499dd9034232f2b59f0c5bf51ac1181d9eb3be34d7c873e27cfe838fbfc0d0e8489e2d87d50cec1b8e2696666a1
ripemd-160 1ac5818972d5162534d84054e7a0cee6c1012f77

21256875 as geometric shapes

Circle

Radius = n
Diameter 42513750
Circumference 133560884.67655
Area 1.4195435152295E+15

Sphere

Radius = n
Volume 4.0233412080391E+22
Surface area 5.6781740609178E+15
Circumference 133560884.67655

Square

Length = n
Perimeter 85027500
Area 451854734765625
Diagonal 30061760.91867

Cube

Length = n
Surface area 2711128408593750
Volume 9.605019615071E+21
Space diagonal 36817987.510141

Equilateral Triangle

Length = n
Perimeter 63770625
Area 1.9565883956366E+14
Altitude 18408993.75507

Triangular Pyramid

Length = n
Surface area 1.9565883956366E+14
Volume 1.1319624172078E+21
Height 10020586.97289