20512491 (number)

20512491 is an odd 8-digits composite number following 20512490 and preceding 20512492. In scientific notation, it is written as 2.0512491 × 10^7. The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors. There are 13660392 positive integers (up to 20512491) that are relatively prime to 20512491.

Interesting facts

Basic properties

Name

Name twenty million five hundred twelve thousand four hundred ninety-one

Notation

Scientific notation 2.0512491 × 10^7
Engineering notation 2.0512491 × 10^6

Prime Factorization of 20512491

Prime Factorization 3 × 1103 × 6199

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20512491
Product of the distinct prime numbers

The prime factorization of 20512491 is 3 × 1103 × 6199. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20512491)

Multiplication

n×y
n×2 41024982
n×3 61537473
n×4 82049964
n×5 102562455

Division

n÷y
n÷2 10256245.5
n÷3 6837497
n÷3 5128122.75
n÷5 4102498.2

Exponentiation

ny
n2 420762287025081
n3 8.6308826257414E+21
n4 1.7704090218258E+29
n5 3.631549912652E+36

Nth Root

y√n
2√n 4529.0717592019
3√n 273.74075947208
4√n 67.298378577807
5√n 29.000379471491

Divisors of 20512491

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 -20512490
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 20512491 can be divided by 8 positive divisors. The sum of these divisors (counting 20512491) is 1, the average is 0.125.

Base conversion 20512491

Base System Value
2 Binary 1001110001111111011101011
3 Ternary 1102121010211220
4 Quaternary 1032033323223
5 Quinary 20222344431
6 Senary 2011353123
8 Octal 116177353
10 Decimal 20512491
12 Duodecimal 6a527a3
16 Hexadecimal 138feeb
20 Vigesimal 68414b
36 Base36 c7njf

Cryptographic Hash Functions

md5 c2f7d90530e0a95a3f5916c1eb8d1af4
sha1 340de05e1a5840c2b1f808214037259aec4bd870
sha256 5506962287b4bdece7df06450428febb97af98c0ca90e760e44b15646e0dda11
sha512 473a46e844540ea9872886bf6ce49abe91bf13e3b95b8dfc98f17a5bb1ad5f9e3015ad16d191986a20fe5faefa280222c8f02db0e0643eb0bf380d583248f980
ripemd-160 b00977beb67394294fe96163e93b58e7242a9c02

20512491 as geometric shapes

Circle

Radius = n
Diameter 41024982
Circumference 128883782.06485
Area 1.3218637098256E+15

Sphere

Radius = n
Volume 3.6152956601367E+22
Surface area 5.2874548393025E+15
Circumference 128883782.06485

Square

Length = n
Perimeter 82049964
Area 420762287025081
Diagonal 29009042.970256

Cube

Length = n
Surface area 2524573722150486
Volume 8.6308826257414E+21
Space diagonal 35528676.601799

Equilateral Triangle

Length = n
Perimeter 61537473
Area 1.8219541475908E+14
Altitude 17764338.3009

Triangular Pyramid

Length = n
Surface area 1.8219541475908E+14
Volume 1.0171592720478E+21
Height 9669680.9900854