20128715 (number)

20128715 is an odd 8-digits composite number following 20128714 and preceding 20128716. In scientific notation, it is written as 2.0128715 × 10^7. The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors. There are 16102968 positive integers (up to 20128715) that are relatively prime to 20128715.

Interesting facts

Basic properties

Name

Name twenty million one hundred twenty-eight thousand seven hundred fifteen

Notation

Scientific notation 2.0128715 × 10^7
Engineering notation 2.0128715 × 10^6

Prime Factorization of 20128715

Prime Factorization 5 × 4025743

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20128715
Product of the distinct prime numbers

The prime factorization of 20128715 is 5 × 4025743. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20128715)

Multiplication

n×y
n×2 40257430
n×3 60386145
n×4 80514860
n×5 100643575

Division

n÷y
n÷2 10064357.5
n÷3 6709571.6666667
n÷3 5032178.75
n÷5 4025743

Exponentiation

ny
n2 405165167551225
n3 8.1554541855659E+21
n4 1.6415881299681E+29
n5 3.3043059615511E+36

Nth Root

y√n
2√n 4486.5036498369
3√n 272.02282734456
4√n 66.981367930469
5√n 28.891042301334

Divisors of 20128715

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 -20128714
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 20128715 can be divided by 4 positive divisors. The sum of these divisors (counting 20128715) is 1, the average is 0.25.

Base conversion 20128715

Base System Value
2 Binary 1001100110010001111001011
3 Ternary 1101212122101222
4 Quaternary 1030302033023
5 Quinary 20123104330
6 Senary 1555232255
8 Octal 114621713
10 Decimal 20128715
12 Duodecimal 68a868b
16 Hexadecimal 13323cb
20 Vigesimal 65g1ff
36 Base36 bzfez

Cryptographic Hash Functions

md5 472f3efb862088a3e774a63e2c0b26eb
sha1 9cf32d35f8d868a7ed44aa116af583c407d1b2d5
sha256 5895a1db8869567a3c7c5360332183fc222643cf69ca06756a1523c3268e3563
sha512 04d1844e77aa521631b5e4d4b39df3f527c4ed25cb4eee4796b2b36cb7728b309dbd811edb575331563ab859077e74dbf67bccf5fcb6aa179e3e7495472d4fdf
ripemd-160 793bc8d335e62ada8bcb6377c574cb01b3eafd23

20128715 as geometric shapes

Circle

Radius = n
Diameter 40257430
Circumference 126472446.34041
Area 1.2728639138694E+15

Sphere

Radius = n
Volume 3.4161486608082E+22
Surface area 5.0914556554776E+15
Circumference 126472446.34041

Square

Length = n
Perimeter 80514860
Area 405165167551225
Diagonal 28466301.746143

Cube

Length = n
Surface area 2430991005307350
Volume 8.1554541855659E+21
Space diagonal 34863957.071074

Equilateral Triangle

Length = n
Perimeter 60386145
Area 1.7544166391397E+14
Altitude 17431978.535537

Triangular Pyramid

Length = n
Surface area 1.7544166391397E+14
Volume 9.6112949304497E+20
Height 9488767.2487143