21125621 (number)

21125621 is an odd 8-digits composite number following 21125620 and preceding 21125622. In scientific notation, it is written as 2.1125621 × 10^7. The sum of its digits is 20. It has a total of 3 prime factors and 8 positive divisors. There are 19149120 positive integers (up to 21125621) that are relatively prime to 21125621.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1125621 × 10^7
Engineering notation 2.1125621 × 10^6

Prime Factorization of 21125621

Prime Factorization 11 × 367 × 5233

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21125621
Product of the distinct prime numbers

The prime factorization of 21125621 is 11 × 367 × 5233. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21125621)

Multiplication

n×y
n×2 42251242
n×3 63376863
n×4 84502484
n×5 105628105

Division

n÷y
n÷2 10562810.5
n÷3 7041873.6666667
n÷3 5281405.25
n÷5 4225124.2

Exponentiation

ny
n2 446291862635641
n3 9.4281927454246E+21
n4 1.9917642665479E+29
n5 4.2077257016434E+36

Nth Root

y√n
2√n 4596.2616331101
3√n 276.44144942991
4√n 67.795734623279
5√n 29.171710624619

Divisors of 21125621

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 -21125620
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 21125621 can be divided by 8 positive divisors. The sum of these divisors (counting 21125621) is 1, the average is 0.125.

Base conversion 21125621

Base System Value
2 Binary 1010000100101100111110101
3 Ternary 1110202021220102
4 Quaternary 1100211213311
5 Quinary 20402004441
6 Senary 2032443445
8 Octal 120454765
10 Decimal 21125621
12 Duodecimal 70a9585
16 Hexadecimal 14259f5
20 Vigesimal 6c0e11
36 Base36 cksmt

Cryptographic Hash Functions

md5 169d91df82540cf0c910d48be7f9ff8b
sha1 69250673c31bd9d197bc761f456781bf8917dbd3
sha256 8de097ba817d93a7b96c5337390cbded7e33c8622311f2263b87c9968cc13303
sha512 8c679b8c5e5eecd3da2a3e66c50ada5d0a945699eeee796cd8e141492446925670069dac923406fdc0a5f383736f247563ec5f185c3957de86daa6cb755b705a
ripemd-160 13af84e0306663df5f24db0aa1d7b30a10783be5

21125621 as geometric shapes

Circle

Radius = n
Diameter 42251242
Circumference 132736191.47224
Area 1.402067237013E+15

Sphere

Radius = n
Volume 3.9492721420873E+22
Surface area 5.6082689480521E+15
Circumference 132736191.47224

Square

Length = n
Perimeter 84502484
Area 446291862635641
Diagonal 29876139.731754

Cube

Length = n
Surface area 2677751175813846
Volume 9.4281927454246E+21
Space diagonal 36590648.913444

Equilateral Triangle

Length = n
Perimeter 63376863
Area 1.9325004527237E+14
Altitude 18295324.456722

Triangular Pyramid

Length = n
Surface area 1.9325004527237E+14
Volume 1.1111231707706E+21
Height 9958713.243918