21037521 (number)

21037521 is an odd 8-digits composite number following 21037520 and preceding 21037522. In scientific notation, it is written as 2.1037521 × 10^7. The sum of its digits is 21. It has a total of 2 prime factors and 4 positive divisors. There are 14025012 positive integers (up to 21037521) that are relatively prime to 21037521.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1037521 × 10^7
Engineering notation 2.1037521 × 10^6

Prime Factorization of 21037521

Prime Factorization 3 × 7012507

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21037521
Product of the distinct prime numbers

The prime factorization of 21037521 is 3 × 7012507. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21037521)

Multiplication

n×y
n×2 42075042
n×3 63112563
n×4 84150084
n×5 105187605

Division

n÷y
n÷2 10518760.5
n÷3 7012507
n÷3 5259380.25
n÷5 4207504.2

Exponentiation

ny
n2 442577289825441
n3 9.3107290288258E+21
n4 1.9587465746923E+29
n5 4.1207172198768E+36

Nth Root

y√n
2√n 4586.6677446704
3√n 276.05663351593
4√n 67.724941821093
5√n 29.147339027964

Divisors of 21037521

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 -21037520
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 21037521 can be divided by 4 positive divisors. The sum of these divisors (counting 21037521) is 1, the average is 0.25.

Base conversion 21037521

Base System Value
2 Binary 1010000010000000111010001
3 Ternary 1110120211001110
4 Quaternary 1100100013101
5 Quinary 20341200041
6 Senary 2030523533
8 Octal 120200721
10 Decimal 21037521
12 Duodecimal 70665a9
16 Hexadecimal 14101d1
20 Vigesimal 6b9dg1
36 Base36 ciwnl

Cryptographic Hash Functions

md5 210687f686c96aaf47de32aec660d5f7
sha1 b748e2f0159e3de890bb4d4b54b361bdc0831c02
sha256 c8c30119cf5f014d0a48983f9f718ac035ff399eb5f8f37e917ee255a29db8f6
sha512 b18e83d29196cc6c12d8c76788084d91e31a0eadccae3da43f5d2712a120705d949ab41a41034cb1bc32a27fff6644e8dbea92bed0a4fe9a7dd3020645eaf097
ripemd-160 6f308fe51c42919809b35c7586e4d7fc91dbfdd9

21037521 as geometric shapes

Circle

Radius = n
Diameter 42075042
Circumference 132182642.84668
Area 1.3903975623613E+15

Sphere

Radius = n
Volume 3.9000690555366E+22
Surface area 5.5615902494451E+15
Circumference 132182642.84668

Square

Length = n
Perimeter 84150084
Area 442577289825441
Diagonal 29751547.516909

Cube

Length = n
Surface area 2655463738952646
Volume 9.3107290288258E+21
Space diagonal 36438055.237297

Equilateral Triangle

Length = n
Perimeter 63112563
Area 1.9164158806345E+14
Altitude 18219027.618649

Triangular Pyramid

Length = n
Surface area 1.9164158806345E+14
Volume 1.0972799390122E+21
Height 9917182.5056363