20991331 (number)

20991331 is an odd 8-digits composite number following 20991330 and preceding 20991332. In scientific notation, it is written as 2.0991331 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 20267464 positive integers (up to 20991331) that are relatively prime to 20991331.

Interesting facts

Basic properties

Name

Name twenty million nine hundred ninety-one thousand three hundred thirty-one

Notation

Scientific notation 2.0991331 × 10^7
Engineering notation 2.0991331 × 10^6

Prime Factorization of 20991331

Prime Factorization 29 × 723839

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20991331
Product of the distinct prime numbers

The prime factorization of 20991331 is 29 × 723839. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20991331)

Multiplication

n×y
n×2 41982662
n×3 62973993
n×4 83965324
n×5 104956655

Division

n÷y
n÷2 10495665.5
n÷3 6997110.3333333
n÷3 5247832.75
n÷5 4198266.2

Exponentiation

ny
n2 440635977151561
n3 9.2495356468969E+21
n4 1.9416006436031E+29
n5 4.0756781779686E+36

Nth Root

y√n
2√n 4581.6297318749
3√n 275.85444874048
4√n 67.687736938643
5√n 29.134528587623

Divisors of 20991331

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 -20991330
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 20991331 can be divided by 4 positive divisors. The sum of these divisors (counting 20991331) is 1, the average is 0.25.

Base conversion 20991331

Base System Value
2 Binary 1010000000100110101100011
3 Ternary 1110111110200201
4 Quaternary 1100010311203
5 Quinary 20333210311
6 Senary 2025530031
8 Octal 120046543
10 Decimal 20991331
12 Duodecimal 7043917
16 Hexadecimal 1404d63
20 Vigesimal 6b3i6b
36 Base36 chx0j

Cryptographic Hash Functions

md5 8a5ffd4a5286b61853f96fc2b3f64d80
sha1 7f58c60944c9a522fbe7a54ddde099fcf196b410
sha256 354f70a424f404bc3f88d91bf26da1b55171509a0f56c295488915f093bfc037
sha512 f1bd14c7ab7e912d383d9908ecf6a15882d7eff4b019b78aeff32e8f14a11e4fb7fbed43326d90c0d216259059bd639c732770bee8efa6892af9154e9d136cf5
ripemd-160 5a5318b3ad8bde43dfce7b316a422e543bf2cfb6

20991331 as geometric shapes

Circle

Radius = n
Diameter 41982662
Circumference 131892422.51734
Area 1.3842987487267E+15

Sphere

Radius = n
Volume 3.8744364316544E+22
Surface area 5.5371949949068E+15
Circumference 131892422.51734

Square

Length = n
Perimeter 83965324
Area 440635977151561
Diagonal 29686224.992463

Cube

Length = n
Surface area 2643815862909366
Volume 9.2495356468969E+21
Space diagonal 36358051.810496

Equilateral Triangle

Length = n
Perimeter 62973993
Area 1.9080097501732E+14
Altitude 18179025.905248

Triangular Pyramid

Length = n
Surface area 1.9080097501732E+14
Volume 1.0900682297912E+21
Height 9895408.3308209