21001825 (number)

21001825 is an odd 8-digits composite number following 21001824 and preceding 21001826. In scientific notation, it is written as 2.1001825 × 10^7. The sum of its digits is 19. It has a total of 2 prime factors and 4 positive divisors. There are 15508800 positive integers (up to 21001825) that are relatively prime to 21001825.

Interesting facts

Basic properties

Name

Name twenty-one million one thousand eight hundred twenty-five

Notation

Scientific notation 2.1001825 × 10^7
Engineering notation 2.1001825 × 10^6

Prime Factorization of 21001825

Prime Factorization 325 × 64621

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21001825
Product of the distinct prime numbers

The prime factorization of 21001825 is 325 × 64621. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21001825)

Multiplication

n×y
n×2 42003650
n×3 63005475
n×4 84007300
n×5 105009125

Division

n÷y
n÷2 10500912.5
n÷3 7000608.3333333
n÷3 5250456.25
n÷5 4200365

Exponentiation

ny
n2 441076653330625
n3 9.2634146848355E+21
n4 1.9454861411334E+29
n5 4.085875947601E+36

Nth Root

y√n
2√n 4582.7748144547
3√n 275.90040952823
4√n 67.69619497767
5√n 29.137440995831

Divisors of 21001825

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 -21001824
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 21001825 can be divided by 4 positive divisors. The sum of these divisors (counting 21001825) is 1, the average is 0.25.

Base conversion 21001825

Base System Value
2 Binary 1010000000111011001100001
3 Ternary 1110112000002101
4 Quaternary 1100013121201
5 Quinary 20334024300
6 Senary 2030050401
8 Octal 120073141
10 Decimal 21001825
12 Duodecimal 7049a01
16 Hexadecimal 1407661
20 Vigesimal 6b54b5
36 Base36 ci541

Cryptographic Hash Functions

md5 bb8761523b14b216acb168480d5f1d7c
sha1 661d7bf34fb181a313e3cf542e243466bd6a7801
sha256 d84ba2d1a96dd03b0c74543a34a8cd7fd738ec119d25b31ddffd3325566f5388
sha512 bcc78735ced86d81c770005d3397f0640972bf702b175bac4fba8c93c7d880d1b3938a81382abbb2be12a22cb71e5f29944b66aae041f77494eb8442e8819c49
ripemd-160 58ed5351bd99f34d9d819d1de688096be92f3007

21001825 as geometric shapes

Circle

Radius = n
Diameter 42003650
Circumference 131958358.26396
Area 1.3856831737735E+15

Sphere

Radius = n
Volume 3.8802500694713E+22
Surface area 5.5427326950939E+15
Circumference 131958358.26396

Square

Length = n
Perimeter 84007300
Area 441076653330625
Diagonal 29701065.749586

Cube

Length = n
Surface area 2646459919983750
Volume 9.2634146848355E+21
Space diagonal 36376227.95167

Equilateral Triangle

Length = n
Perimeter 63005475
Area 1.9099179340027E+14
Altitude 18188113.975835

Triangular Pyramid

Length = n
Surface area 1.9099179340027E+14
Volume 1.0917038900984E+21
Height 9900355.2498621