21425 (number)

21425 is an odd 5-digits composite number following 21424 and preceding 21426. In scientific notation, it is written as 2.1425 × 10^4. The sum of its digits is 14. It has a total of 2 prime factors and 4 positive divisors. There are 17120 positive integers (up to 21425) that are relatively prime to 21425.

Interesting facts

Basic properties

Name

Name twenty-one thousand four hundred twenty-five

Notation

Scientific notation 2.1425 × 10^4
Engineering notation 2.1425 × 10^3

Prime Factorization of 21425

Prime Factorization 25 × 857

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21425
Product of the distinct prime numbers

The prime factorization of 21425 is 25 × 857. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 4, 63, 66, 716, 80, 9385, 9730, 87908, 88047, 249972, 514593, 2588164, 6310063, 62387107, 85420518, 998667786, 509619058, 8219957527, 814294104

Basic calculations (n = 21425)

Multiplication

n×y
n×2 42850
n×3 64275
n×4 85700
n×5 107125

Division

n÷y
n÷2 10712.5
n÷3 7141.6666666667
n÷3 5356.25
n÷5 4285

Exponentiation

ny
n2 459030625
n3 9834731140625
n4 210709114687890625
n5 4.5144427821881E+21

Nth Root

y√n
2√n 146.37281168304
3√n 27.774118036366
4√n 12.098463195094
5√n 7.3482541080823

Divisors of 21425

1, 25, 857, 21425

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 -21424
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 21425 can be divided by 4 positive divisors. The sum of these divisors (counting 21425) is 1, the average is 0.25.

Base conversion 21425

Base System Value
2 Binary 101001110110001
3 Ternary 1002101112
4 Quaternary 11032301
5 Quinary 1141200
6 Senary 243105
8 Octal 51661
10 Decimal 21425
12 Duodecimal 10495
16 Hexadecimal 53b1
20 Vigesimal 2db5
36 Base36 gj5

Cryptographic Hash Functions

md5 0bb103d92d2fd1b7e330c9cb67c229e1
sha1 d0219c4f50115285c88c5c00ed6670e8dbce6059
sha256 173df84832bee329440422b7129529fe027e2d061b10454b1971d3ae0575c469
sha512 fcde6f6621b32ce373108ddbb92c82da4e9063d0fceac612414ab332cdbffe8809a587b53a296846ade5b413a6a89e3ca4ec954f32b0913b32e7831706167b20
ripemd-160 411172c03e68354fcb093dec05392b41a5c7a79c

21425 as geometric shapes

Circle

Radius = n
Diameter 42850
Circumference 134617.24520632
Area 1442087239.2727

Sphere

Radius = n
Volume 41195625468558
Surface area 5768348957.0909
Circumference 134617.24520632

Square

Length = n
Perimeter 85700
Area 459030625
Diagonal 30299.525573844

Cube

Length = n
Surface area 2754183750
Volume 9834731140625
Space diagonal 37109.188552163

Equilateral Triangle

Length = n
Perimeter 64275
Area 198766091.18252
Altitude 18554.594276082

Triangular Pyramid

Length = n
Surface area 198766091.18252
Volume 1159034180113.7
Height 10099.841857948