20497788 (number)

20497788 is an even 8-digits composite number following 20497787 and preceding 20497789. In scientific notation, it is written as 2.0497788 × 10^7. The sum of its digits is 45. It has a total of 5 prime factors and 24 positive divisors. There are 6811776 positive integers (up to 20497788) that are relatively prime to 20497788.

Interesting facts

Basic properties

Name

Name twenty million four hundred ninety-seven thousand seven hundred eighty-eight

Notation

Scientific notation 2.0497788 × 10^7
Engineering notation 2.0497788 × 10^6

Prime Factorization of 20497788

Prime Factorization 2 × 2 × 9 × 439 × 1297

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10248894
Product of the distinct prime numbers

The prime factorization of 20497788 is 2 × 2 × 9 × 439 × 1297. Since it has a total of 5 prime factors.

Most popular turbo-numbers

8, 6, 10, 9, 506, 207, 7222, 5767, 45976, 78369, 875326, 356613, 2787316, 5878025, 85242486, 10786783, 721187375, 272811303, 147734742, 373958360

Basic calculations (n = 20497788)

Multiplication

n×y
n×2 40995576
n×3 61493364
n×4 81991152
n×5 102488940

Division

n÷y
n÷2 10248894
n÷3 6832596
n÷3 5124447
n÷5 4099557.6

Exponentiation

ny
n2 420159312892944
n3 8.6123365219052E+21
n4 1.7653384821067E+29
n5 3.6185533954465E+36

Nth Root

y√n
2√n 4527.4482879432
3√n 273.67533961956
4√n 67.286315755458
5√n 28.996220884567

Divisors of 20497788

1, 2, 4, 9, 18, 36, 439, 878, 1297, 1756, 2594, 3951, 5188, 7902, 11673, 15804, 23346, 46692, 569383, 1138766, 2277532, 5124447, 10248894, 20497788

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20497787
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20497788 can be divided by 24 positive divisors. The sum of these divisors (counting 20497788) is 1, the average is 0.041666666666667.

Base conversion 20497788

Base System Value
2 Binary 1001110001100010101111100
3 Ternary 1102120101200100
4 Quaternary 1032030111330
5 Quinary 20221412123
6 Senary 2011201100
8 Octal 116142574
10 Decimal 20497788
12 Duodecimal 6a46190
16 Hexadecimal 138c57c
20 Vigesimal 682498
36 Base36 c7c70

Cryptographic Hash Functions

md5 6904ccb3ae5ddafd3d3ec6f830317231
sha1 4c4aa4987f49d55a8b098a62a369e35284199a20
sha256 756acc5cd74d9fb26587cfd8b0e613999fee6b2b98a397f8b3d681c097746eba
sha512 e173fc3afc6b0229e02df773542673e666a26252fbb447113224dc22d052d4e75ff0a9da13f736f554e17451463e0fa8573095ffa8c312eee3c0f9110a91f684
ripemd-160 e30c1f9336d541671d6ba9cea426891c80a9ce48

20497788 as geometric shapes

Circle

Radius = n
Diameter 40995576
Circumference 128791400.39128
Area 1.3199694107218E+15

Sphere

Radius = n
Volume 3.6075270863281E+22
Surface area 5.2798776428872E+15
Circumference 128791400.39128

Square

Length = n
Perimeter 81991152
Area 420159312892944
Diagonal 28988249.788248

Cube

Length = n
Surface area 2520955877357664
Volume 8.6123365219052E+21
Space diagonal 35503210.258776

Equilateral Triangle

Length = n
Perimeter 61493364
Area 1.8193431930095E+14
Altitude 17751605.129388

Triangular Pyramid

Length = n
Surface area 1.8193431930095E+14
Volume 1.01497359275E+21
Height 9662749.9294162