21086925 (number)

21086925 is an odd 8-digits composite number following 21086924 and preceding 21086926. In scientific notation, it is written as 2.1086925 × 10^7. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 11246320 positive integers (up to 21086925) that are relatively prime to 21086925.

Interesting facts

Basic properties

Name

Name twenty-one million eighty-six thousand nine hundred twenty-five

Notation

Scientific notation 2.1086925 × 10^7
Engineering notation 2.1086925 × 10^6

Prime Factorization of 21086925

Prime Factorization 3 × 25 × 281159

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21086925
Product of the distinct prime numbers

The prime factorization of 21086925 is 3 × 25 × 281159. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21086925)

Multiplication

n×y
n×2 42173850
n×3 63260775
n×4 84347700
n×5 105434625

Division

n÷y
n÷2 10543462.5
n÷3 7028975
n÷3 5271731.25
n÷5 4217385

Exponentiation

ny
n2 444658405955625
n3 9.3764784570058E+21
n4 1.97721097987E+29
n5 4.1693299641695E+36

Nth Root

y√n
2√n 4592.0501957187
3√n 276.27255946204
4√n 67.764667753326
5√n 29.161015966234

Divisors of 21086925

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21086924
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21086925 can be divided by 8 positive divisors. The sum of these divisors (counting 21086925) is 1, the average is 0.125.

Base conversion 21086925

Base System Value
2 Binary 1010000011100001011001101
3 Ternary 1110200022211020
4 Quaternary 1100130023031
5 Quinary 20344240200
6 Senary 2031544353
8 Octal 120341315
10 Decimal 21086925
12 Duodecimal 708b0b9
16 Hexadecimal 141c2cd
20 Vigesimal 6bfh65
36 Base36 cjyrx

Cryptographic Hash Functions

md5 9000e2f0a47fe465c74644451d8eb190
sha1 c5a0f26270ff291d6103e1f9fd4c1ad11e1de888
sha256 63ea5745bf69188de4036fbe64a52d2d3f18dd7c09cb5d1f5cb296ce1e78d81e
sha512 79113fd225bfbe88e423f09990cfd4d375f8bcb2bb42f8e103137ecc7ff2c442c30bc8e7d91a583c084870768b6573a9c48d36e5164bc94aad282748f4b2dd85
ripemd-160 3714918370bc6c1465ef43a49691dc0967582f5b

21086925 as geometric shapes

Circle

Radius = n
Diameter 42173850
Circumference 132493057.3336
Area 1.3969355815071E+15

Sphere

Radius = n
Volume 3.9276101116097E+22
Surface area 5.5877423260286E+15
Circumference 132493057.3336

Square

Length = n
Perimeter 84347700
Area 444658405955625
Diagonal 29821415.323744

Cube

Length = n
Surface area 2667950435733750
Volume 9.3764784570058E+21
Space diagonal 36523625.475394

Equilateral Triangle

Length = n
Perimeter 63260775
Area 1.9254273778193E+14
Altitude 18261812.737697

Triangular Pyramid

Length = n
Surface area 1.9254273778193E+14
Volume 1.1050285834331E+21
Height 9940471.7745814