21025838 (number)

21025838 is an even 8-digits composite number following 21025837 and preceding 21025839. In scientific notation, it is written as 2.1025838 × 10^7. The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors. There are 9894496 positive integers (up to 21025838) that are relatively prime to 21025838.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1025838 × 10^7
Engineering notation 2.1025838 × 10^6

Prime Factorization of 21025838

Prime Factorization 2 × 17 × 618407

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21025838
Product of the distinct prime numbers

The prime factorization of 21025838 is 2 × 17 × 618407. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21025838)

Multiplication

n×y
n×2 42051676
n×3 63077514
n×4 84103352
n×5 105129190

Division

n÷y
n÷2 10512919
n÷3 7008612.6666667
n÷3 5256459.5
n÷5 4205167.6

Exponentiation

ny
n2 442085863602244
n3 9.2952257501909E+21
n4 1.9543991079694E+29
n5 4.109287903151E+36

Nth Root

y√n
2√n 4585.3939852536
3√n 276.00552218875
4√n 67.715537251458
5√n 29.144100965543

Divisors of 21025838

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 -21025837
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 21025838 can be divided by 8 positive divisors. The sum of these divisors (counting 21025838) is 1, the average is 0.125.

Base conversion 21025838

Base System Value
2 Binary 1010000001101010000101110
3 Ternary 1110120020000202
4 Quaternary 1100031100232
5 Quinary 20340311323
6 Senary 2030353502
8 Octal 120152056
10 Decimal 21025838
12 Duodecimal 705b892
16 Hexadecimal 140d42e
20 Vigesimal 6b84bi
36 Base36 cinn2

Cryptographic Hash Functions

md5 29534476db0df348030dc2548e3ce9a4
sha1 7690a3daa7c16535c69dfbc45a30a50040727c15
sha256 43b38f2e655f3f29b29a21607838ebe964b3acaf157669f838d858106ad60c70
sha512 e42aec880e6156bd67d7a5aa4eac4a289a2e8e2595ba9be83a90bb19f84191980c1d79e7bc359991c64823996e8bd85fa4ce20bd8e4656cfa4d53565bdf9d7a9
ripemd-160 535ea4fe16c29a95e07d565faadc9dec33a549fa

21025838 as geometric shapes

Circle

Radius = n
Diameter 42051676
Circumference 132109236.39274
Area 1.3888537013487E+15

Sphere

Radius = n
Volume 3.8935750573678E+22
Surface area 5.5554148053948E+15
Circumference 132109236.39274

Square

Length = n
Perimeter 84103352
Area 442085863602244
Diagonal 29735025.25986

Cube

Length = n
Surface area 2652515181613464
Volume 9.2952257501909E+21
Space diagonal 36417819.687712

Equilateral Triangle

Length = n
Perimeter 63077514
Area 1.9142879426676E+14
Altitude 18208909.843856

Triangular Pyramid

Length = n
Surface area 1.9142879426676E+14
Volume 1.0954528601033E+21
Height 9911675.0866199