20391497 (number)

20391497 is an odd 8-digits composite number following 20391496 and preceding 20391498. In scientific notation, it is written as 2.0391497 × 10^7. The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors. There are 17478384 positive integers (up to 20391497) that are relatively prime to 20391497.

Interesting facts

Basic properties

Name

Name twenty million three hundred ninety-one thousand four hundred ninety-seven

Notation

Scientific notation 2.0391497 × 10^7
Engineering notation 2.0391497 × 10^6

Prime Factorization of 20391497

Prime Factorization 49 × 416153

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20391497
Product of the distinct prime numbers

The prime factorization of 20391497 is 49 × 416153. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20391497)

Multiplication

n×y
n×2 40782994
n×3 61174491
n×4 81565988
n×5 101957485

Division

n÷y
n÷2 10195748.5
n÷3 6797165.6666667
n÷3 5097874.25
n÷5 4078299.4

Exponentiation

ny
n2 415813149901009
n3 8.479052598767E+21
n4 1.729005756306E+29
n5 3.5257015692696E+36

Nth Root

y√n
2√n 4515.6945202261
3√n 273.20147301715
4√n 67.198917552488
5√n 28.966086413265

Divisors of 20391497

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 -20391496
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 20391497 can be divided by 4 positive divisors. The sum of these divisors (counting 20391497) is 1, the average is 0.25.

Base conversion 20391497

Base System Value
2 Binary 1001101110010011001001001
3 Ternary 1102100222212122
4 Quaternary 1031302121021
5 Quinary 20210011442
6 Senary 2005021025
8 Octal 115623111
10 Decimal 20391497
12 Duodecimal 69b4775
16 Hexadecimal 1372649
20 Vigesimal 678ieh
36 Base36 c526h

Cryptographic Hash Functions

md5 ce75a4a1bddd9fb01cd77afe45e3363c
sha1 0643943a867dc5d293085d5403ae7d2b626a5ae5
sha256 cc895ba68ef7e8b42e1f9c2daa73ca347f6649f262776cdbad12e3cad9596fcf
sha512 fdf9e6cf58de3c9437cefd14c542d3ece703970a8bea7e906bbd1b25f79accd8d514662ff2de5c7920f6ace80b010e2ae20cafd76ce6934aeaf59cc536fca795
ripemd-160 0c4e075336105f8dfda6860b8e7b5eafb4dfe6c3

20391497 as geometric shapes

Circle

Radius = n
Diameter 40782994
Circumference 128123554.3418
Area 1.306315536995E+15

Sphere

Radius = n
Volume 3.5516972471584E+22
Surface area 5.2252621479802E+15
Circumference 128123554.3418

Square

Length = n
Perimeter 81565988
Area 415813149901009
Diagonal 28837931.61449

Cube

Length = n
Surface area 2494878899406054
Volume 8.479052598767E+21
Space diagonal 35319108.846388

Equilateral Triangle

Length = n
Perimeter 61174491
Area 1.8005237552095E+14
Altitude 17659554.423194

Triangular Pyramid

Length = n
Surface area 1.8005237552095E+14
Volume 9.9926593177092E+20
Height 9612643.8714968