20921535 (number)

20921535 is an odd 8-digits composite number following 20921534 and preceding 20921536. In scientific notation, it is written as 2.0921535 × 10^7. The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors. There are 11158128 positive integers (up to 20921535) that are relatively prime to 20921535.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0921535 × 10^7
Engineering notation 2.0921535 × 10^6

Prime Factorization of 20921535

Prime Factorization 5 × 9 × 464923

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20921535
Product of the distinct prime numbers

The prime factorization of 20921535 is 5 × 9 × 464923. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20921535)

Multiplication

n×y
n×2 41843070
n×3 62764605
n×4 83686140
n×5 104607675

Division

n÷y
n÷2 10460767.5
n÷3 6973845
n÷3 5230383.75
n÷5 4184307

Exponentiation

ny
n2 437710626756225
n3 9.1575781975523E+21
n4 1.9159059277533E+29
n5 4.0083692924198E+36

Nth Root

y√n
2√n 4574.0064494926
3√n 275.54837134288
4√n 67.631401356859
5√n 29.115128355419

Divisors of 20921535

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 -20921534
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 20921535 can be divided by 8 positive divisors. The sum of these divisors (counting 20921535) is 1, the average is 0.125.

Base conversion 20921535

Base System Value
2 Binary 1001111110011110010111111
3 Ternary 1110100220221200
4 Quaternary 1033303302333
5 Quinary 20323442120
6 Senary 2024230543
8 Octal 117636277
10 Decimal 20921535
12 Duodecimal 700b453
16 Hexadecimal 13f3cbf
20 Vigesimal 6af3gf
36 Base36 cgf5r

Cryptographic Hash Functions

md5 80cfa059dc56b66e7a70f2e2175aaf5f
sha1 56252d46e7d91f7fa464b6a6f54675b517c08a94
sha256 f5a3bc2615c88b348fda06cd8376fe2c611cd604056893a7f422c7279def1bf8
sha512 f2a1324b6679d280a21f168373c311c798f20a8ca3ac619370e8603bb00b9b336e49169a08281e32302da71fb9092739e3c1ea5106cb99321cb9de88517ca181
ripemd-160 1880460fcf1c295b7e69c803c0c296e539ad6f9a

20921535 as geometric shapes

Circle

Radius = n
Diameter 41843070
Circumference 131453881.31564
Area 1.3751084894155E+15

Sphere

Radius = n
Volume 3.8359173853472E+22
Surface area 5.5004339576622E+15
Circumference 131453881.31564

Square

Length = n
Perimeter 83686140
Area 437710626756225
Diagonal 29587518.542663

Cube

Length = n
Surface area 2626263760537350
Volume 9.1575781975523E+21
Space diagonal 36237161.592331

Equilateral Triangle

Length = n
Perimeter 62764605
Area 1.8953426113865E+14
Altitude 18118580.796165

Triangular Pyramid

Length = n
Surface area 1.8953426113865E+14
Volume 1.0792309404559E+21
Height 9862506.1808878