20728488 (number)

20728488 is an even 8-digits composite number following 20728487 and preceding 20728489. In scientific notation, it is written as 2.0728488 × 10^7. The sum of its digits is 39. It has a total of 6 prime factors and 32 positive divisors. There are 6281280 positive integers (up to 20728488) that are relatively prime to 20728488.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0728488 × 10^7
Engineering notation 2.0728488 × 10^6

Prime Factorization of 20728488

Prime Factorization 2 × 2 × 2 × 3 × 11 × 78517

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 5182122
Product of the distinct prime numbers

The prime factorization of 20728488 is 2 × 2 × 2 × 3 × 11 × 78517. Since it has a total of 6 prime factors.

Most popular turbo-numbers

9, 7, 76, 55, 406, 654, 3523, 2278, 59253, 81229, 706420, 415314, 599502, 5375431, 71368514, 76430610, 255338455, 992573085, 1082379391, 6702850645

Basic calculations (n = 20728488)

Multiplication

n×y
n×2 41456976
n×3 62185464
n×4 82913952
n×5 103642440

Division

n÷y
n÷2 10364244
n÷3 6909496
n÷3 5182122
n÷5 4145697.6

Exponentiation

ny
n2 429670214766144
n3 8.9064138907374E+21
n4 1.8461649345718E+29
n5 3.8268207692293E+36

Nth Root

y√n
2√n 4552.8549285037
3√n 274.69823869122
4√n 67.474846635644
5√n 29.061198768729

Divisors of 20728488

1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 264, 78517, 157034, 235551, 314068, 471102, 628136, 863687, 942204, 1727374, 1884408, 2591061, 3454748, 5182122, 6909496, 10364244, 20728488

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20728487
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20728488 can be divided by 32 positive divisors. The sum of these divisors (counting 20728488) is 1, the average is 0.03125.

Base conversion 20728488

Base System Value
2 Binary 1001111000100101010101000
3 Ternary 1110000010010210
4 Quaternary 1033010222220
5 Quinary 20301302423
6 Senary 2020141120
8 Octal 117045250
10 Decimal 20728488
12 Duodecimal 6b377a0
16 Hexadecimal 13c4aa8
20 Vigesimal 69b148
36 Base36 cca7c

Cryptographic Hash Functions

md5 2aca4436df75a0fb7ceddae677591ee2
sha1 283fa05ea1e6b841006ca2080ab165376f0f9b08
sha256 36c8fb1fd3c4148f8f2792cfc211bb60da0759ebde12c3212dfd2c044b112967
sha512 daea4ae3d14ad0cb7a01057f7b29a15f68929ef87a429a0c0624bd52206d8c90d6d65943896857d567705d2591859d7f2a037edbd6f89ecc97aab299af6f27f9
ripemd-160 263ab621212196feb28aea26e9ea93ef6b963bf1

20728488 as geometric shapes

Circle

Radius = n
Diameter 41456976
Circumference 130240931.24165
Area 1.3498487901757E+15

Sphere

Radius = n
Volume 3.7307099265294E+22
Surface area 5.3993951607027E+15
Circumference 130240931.24165

Square

Length = n
Perimeter 82913952
Area 429670214766144
Diagonal 29314508.857088

Cube

Length = n
Surface area 2578021288596864
Volume 8.9064138907374E+21
Space diagonal 35902794.380082

Equilateral Triangle

Length = n
Perimeter 62185464
Area 1.860526606185E+14
Altitude 17951397.190041

Triangular Pyramid

Length = n
Surface area 1.860526606185E+14
Volume 1.0496309430324E+21
Height 9771502.9523627