21037581 (number)

21037581 is an odd 8-digits composite number following 21037580 and preceding 21037582. In scientific notation, it is written as 2.1037581 × 10^7. The sum of its digits is 27. It has a total of 3 prime factors and 6 positive divisors. There are 14025048 positive integers (up to 21037581) that are relatively prime to 21037581.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1037581 × 10^7
Engineering notation 2.1037581 × 10^6

Prime Factorization of 21037581

Prime Factorization 3 × 3 × 2337509

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 7012527
Product of the distinct prime numbers

The prime factorization of 21037581 is 3 × 3 × 2337509. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21037581)

Multiplication

n×y
n×2 42075162
n×3 63112743
n×4 84150324
n×5 105187905

Division

n÷y
n÷2 10518790.5
n÷3 7012527
n÷3 5259395.25
n÷5 4207516.2

Exponentiation

ny
n2 442579814331561
n3 9.3108086929652E+21
n4 1.9587689205376E+29
n5 4.1207759826092E+36

Nth Root

y√n
2√n 4586.6742853619
3√n 276.05689595785
4√n 67.724990109722
5√n 29.147355653861

Divisors of 21037581

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21037580
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21037581 can be divided by 6 positive divisors. The sum of these divisors (counting 21037581) is 1, the average is 0.16666666666667.

Base conversion 21037581

Base System Value
2 Binary 1010000010000001000001101
3 Ternary 1110120211010200
4 Quaternary 1100100020031
5 Quinary 20341200311
6 Senary 2030524113
8 Octal 120201015
10 Decimal 21037581
12 Duodecimal 7066639
16 Hexadecimal 141020d
20 Vigesimal 6b9dj1
36 Base36 ciwp9

Cryptographic Hash Functions

md5 9f6dca12ff6762376033da9105e0caa0
sha1 17ce5149596c88668ed7f35d1fa6ea7eff825d78
sha256 52614e1ef912deaef035bcf759eb837c19af23fe754f68e4c37c8f615eb90636
sha512 584702a7be18e59b761c34603d928f05646d5166e8c8ae15d68f63da644f248e7ec40e0843df3f06836ed77ea0fc65c873a2e3fab793bdb9ab2092e5797e1080
ripemd-160 498ca66a62f130bedf8a3a4bf2d9be0d985e904c

21037581 as geometric shapes

Circle

Radius = n
Diameter 42075162
Circumference 132183019.8378
Area 1.3904054933312E+15

Sphere

Radius = n
Volume 3.9001024251733E+22
Surface area 5.5616219733247E+15
Circumference 132183019.8378

Square

Length = n
Perimeter 84150324
Area 442579814331561
Diagonal 29751632.369723

Cube

Length = n
Surface area 2655478885989366
Volume 9.3108086929652E+21
Space diagonal 36438159.160346

Equilateral Triangle

Length = n
Perimeter 63112743
Area 1.9164268120667E+14
Altitude 18219079.580173

Triangular Pyramid

Length = n
Surface area 1.9164268120667E+14
Volume 1.0972893275211E+21
Height 9917210.7899075