20406728 (number)

20406728 is an even 8-digits composite number following 20406727 and preceding 20406729. In scientific notation, it is written as 2.0406728 × 10^7. The sum of its digits is 29. It has a total of 5 prime factors and 16 positive divisors. There are 10172736 positive integers (up to 20406728) that are relatively prime to 20406728.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0406728 × 10^7
Engineering notation 2.0406728 × 10^6

Prime Factorization of 20406728

Prime Factorization 2 × 2 × 2 × 349 × 7309

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 5101682
Product of the distinct prime numbers

The prime factorization of 20406728 is 2 × 2 × 2 × 349 × 7309. Since it has a total of 5 prime factors.

Most popular turbo-numbers

10, 6, 37, 82, 296, 774, 4949, 4693, 53171, 39649, 741499, 266562, 4353684, 2932202, 37494630, 45948805, 410533895, 184105009, 8628341541, 2467652649

Basic calculations (n = 20406728)

Multiplication

n×y
n×2 40813456
n×3 61220184
n×4 81626912
n×5 102033640

Division

n÷y
n÷2 10203364
n÷3 6802242.6666667
n÷3 5101682
n÷5 4081345.6

Exponentiation

ny
n2 416434547665984
n3 8.4980665440228E+21
n4 1.7341773248977E+29
n5 3.5388884972956E+36

Nth Root

y√n
2√n 4517.3806569737
3√n 273.26947678757
4√n 67.211462243978
5√n 28.970412242883

Divisors of 20406728

1, 2, 4, 8, 349, 698, 1396, 2792, 7309, 14618, 29236, 58472, 2550841, 5101682, 10203364, 20406728

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20406727
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20406728 can be divided by 16 positive divisors. The sum of these divisors (counting 20406728) is 1, the average is 0.0625.

Base conversion 20406728

Base System Value
2 Binary 1001101110110000111001000
3 Ternary 1102101202202202
4 Quaternary 1031312013020
5 Quinary 20211003403
6 Senary 2005215332
8 Octal 115660710
10 Decimal 20406728
12 Duodecimal 6a01548
16 Hexadecimal 13761c8
20 Vigesimal 67agg8
36 Base36 c5dxk

Cryptographic Hash Functions

md5 ee077bedabc55852ae89160defc57fc0
sha1 caa1789be2b878247511125e99a15a2576f3bb94
sha256 9b9b2e3d5593243636b81aa302ef26b84f808eeab773d6056534b6048f7f76d9
sha512 149846a328af245600e46eff23c362f9c4a25756b39a62c7535cc42b92a4fe5ab244dbca2217a45ccb94ded535f1fb1cfd28534fc70acf0696ec8ec672496598
ripemd-160 fc4d1645a2e8827f4310690be482361659c535e6

20406728 as geometric shapes

Circle

Radius = n
Diameter 40813456
Circumference 128219253.53721
Area 1.3082677156484E+15

Sphere

Radius = n
Volume 3.5596617899226E+22
Surface area 5.2330708625938E+15
Circumference 128219253.53721

Square

Length = n
Perimeter 81626912
Area 416434547665984
Diagonal 28859471.501259

Cube

Length = n
Surface area 2498607285995904
Volume 8.4980665440228E+21
Space diagonal 35345489.712238

Equilateral Triangle

Length = n
Perimeter 61220184
Area 1.8032144864611E+14
Altitude 17672744.856119

Triangular Pyramid

Length = n
Surface area 1.8032144864611E+14
Volume 1.0015067467088E+21
Height 9619823.8337529