20128743 (number)

20128743 is an odd 8-digits composite number following 20128742 and preceding 20128744. In scientific notation, it is written as 2.0128743 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors. There are 13215312 positive integers (up to 20128743) that are relatively prime to 20128743.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0128743 × 10^7
Engineering notation 2.0128743 × 10^6

Prime Factorization of 20128743

Prime Factorization 27 × 3 × 67 × 3709

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20128743
Product of the distinct prime numbers

The prime factorization of 20128743 is 27 × 3 × 67 × 3709. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20128743)

Multiplication

n×y
n×2 40257486
n×3 60386229
n×4 80514972
n×5 100643715

Division

n÷y
n÷2 10064371.5
n÷3 6709581
n÷3 5032185.75
n÷5 4025748.6

Exponentiation

ny
n2 405166294760049
n3 8.1554882194873E+21
n4 1.6415972640959E+29
n5 3.3043289438489E+36

Nth Root

y√n
2√n 4486.5067703058
3√n 272.02295347674
4√n 66.981391224024
5√n 28.891050339092

Divisors of 20128743

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 -20128742
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 20128743 can be divided by 16 positive divisors. The sum of these divisors (counting 20128743) is 1, the average is 0.0625.

Base conversion 20128743

Base System Value
2 Binary 1001100110010001111100111
3 Ternary 1101212122110000
4 Quaternary 1030302033213
5 Quinary 20123104433
6 Senary 1555232343
8 Octal 114621747
10 Decimal 20128743
12 Duodecimal 68a86b3
16 Hexadecimal 13323e7
20 Vigesimal 65g1h3
36 Base36 bzffr

Cryptographic Hash Functions

md5 611f9052841e9ffe39879ca508ef763c
sha1 086a3c38246cf9071bd04b386a2e1b6fcdc6d071
sha256 c5b7789c3a6445ad584f59234b75e808bb84c88a71c34e1cd190d04025b15a96
sha512 b4f76d1f61f70f3433fc62169e2be74b39f5502dad0f9dbd72eb6bcc7da07bc7148445e0c77c918931bfef00d33fca3d9323541defa8ffcc9d30426b4ba0e182
ripemd-160 665316be8085c295399eab91983ed7dd15488d81

20128743 as geometric shapes

Circle

Radius = n
Diameter 40257486
Circumference 126472622.26959
Area 1.2728674551004E+15

Sphere

Radius = n
Volume 3.4161629169039E+22
Surface area 5.0914698204015E+15
Circumference 126472622.26959

Square

Length = n
Perimeter 80514972
Area 405166294760049
Diagonal 28466341.344123

Cube

Length = n
Surface area 2430997768560294
Volume 8.1554882194873E+21
Space diagonal 34864005.568496

Equilateral Triangle

Length = n
Perimeter 60386229
Area 1.7544215200971E+14
Altitude 17432002.784248

Triangular Pyramid

Length = n
Surface area 1.7544215200971E+14
Volume 9.6113350398108E+20
Height 9488780.4480408