20128748 (number)

20128748 is an even 8-digits composite number following 20128747 and preceding 20128749. In scientific notation, it is written as 2.0128748 × 10^7. The sum of its digits is 32. It has a total of 4 prime factors and 12 positive divisors. There are 9472320 positive integers (up to 20128748) that are relatively prime to 20128748.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0128748 × 10^7
Engineering notation 2.0128748 × 10^6

Prime Factorization of 20128748

Prime Factorization 2 × 2 × 17 × 296011

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10064374
Product of the distinct prime numbers

The prime factorization of 20128748 is 2 × 2 × 17 × 296011. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 2, 35, 6, 532, 592, 1752, 9626, 50998, 35059, 972349, 306836, 5719320, 7385586, 30129570, 47896176, 161761641, 472784218, 5676140288, 6493524853

Basic calculations (n = 20128748)

Multiplication

n×y
n×2 40257496
n×3 60386244
n×4 80514992
n×5 100643740

Division

n÷y
n÷2 10064374
n÷3 6709582.6666667
n÷3 5032187
n÷5 4025749.6

Exponentiation

ny
n2 405166496047504
n3 8.1554942969832E+21
n4 1.6415988951941E+29
n5 3.3043330478441E+36

Nth Root

y√n
2√n 4486.5073275322
3√n 272.02297600033
4√n 66.981395383585
5√n 28.891051774406

Divisors of 20128748

1, 2, 4, 17, 34, 68, 296011, 592022, 1184044, 5032187, 10064374, 20128748

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20128747
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20128748 can be divided by 12 positive divisors. The sum of these divisors (counting 20128748) is 1, the average is 0.083333333333333.

Base conversion 20128748

Base System Value
2 Binary 1001100110010001111101100
3 Ternary 1101212122110012
4 Quaternary 1030302033230
5 Quinary 20123104443
6 Senary 1555232352
8 Octal 114621754
10 Decimal 20128748
12 Duodecimal 68a86b8
16 Hexadecimal 13323ec
20 Vigesimal 65g1h8
36 Base36 bzffw

Cryptographic Hash Functions

md5 675379de6957a120c30ebbf506746258
sha1 33d2f9c4ebfa97ca24e86d1bc59cf0a51488b87a
sha256 ae0bf85e3c7fec5064d91d721a9b8f71b6eb6c25553d9ad0005c464697717531
sha512 8f555eca35bddab948b17970b0682820450b36731a97a03796f8a3cc4454e93288e41585df36be8a2346e957ff6e32c43ef7fe8dee1a1e8677fef8c36c02c3ff
ripemd-160 4dfc547f561d4b66942d579164387b8fac83915e

20128748 as geometric shapes

Circle

Radius = n
Diameter 40257496
Circumference 126472653.68552
Area 1.2728680874636E+15

Sphere

Radius = n
Volume 3.4161654626395E+22
Surface area 5.0914723498542E+15
Circumference 126472653.68552

Square

Length = n
Perimeter 80514992
Area 405166496047504
Diagonal 28466348.41519

Cube

Length = n
Surface area 2430998976285024
Volume 8.1554942969832E+21
Space diagonal 34864014.22875

Equilateral Triangle

Length = n
Perimeter 60386244
Area 1.7544223916973E+14
Altitude 17432007.114375

Triangular Pyramid

Length = n
Surface area 1.7544223916973E+14
Volume 9.6113422022084E+20
Height 9488782.8050634