20128 (number)

20128 is an even 5-digits composite number following 20127 and preceding 20129. In scientific notation, it is written as 2.0128 × 10^4. The sum of its digits is 13. It has a total of 7 prime factors and 24 positive divisors. There are 9216 positive integers (up to 20128) that are relatively prime to 20128.

Interesting facts

Basic properties

Name

Name twenty thousand one hundred twenty-eight

Notation

Scientific notation 2.0128 × 10^4
Engineering notation 2.0128 × 10^3

Prime Factorization of 20128

Prime Factorization 2 × 2 × 2 × 2 × 2 × 17 × 37

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 1258
Product of the distinct prime numbers

The prime factorization of 20128 is 2 × 2 × 2 × 2 × 2 × 17 × 37. Since it has a total of 7 prime factors.

Most popular turbo-numbers

5, 7, 56, 94, 966, 8, 822, 2512, 10491, 43989, 377068, 876732, 3202926, 3241032, 27827828, 89454157, 191690835, 939832917, 4748851524, 2115694714

Basic calculations (n = 20128)

Multiplication

n×y
n×2 40256
n×3 60384
n×4 80512
n×5 100640

Division

n÷y
n÷2 10064
n÷3 6709.3333333333
n÷3 5032
n÷5 4025.6

Exponentiation

ny
n2 405136384
n3 8154585137152
n4 164135489640595456
n5 3.3037191354859E+21

Nth Root

y√n
2√n 141.87318280775
3√n 27.201960642982
4√n 11.911052968052
5√n 7.2570501576838

Divisors of 20128

1, 2, 4, 8, 16, 17, 32, 34, 37, 68, 74, 136, 148, 272, 296, 544, 592, 629, 1184, 1258, 2516, 5032, 10064, 20128

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20127
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20128 can be divided by 24 positive divisors. The sum of these divisors (counting 20128) is 1, the average is 0.041666666666667.

Base conversion 20128

Base System Value
2 Binary 100111010100000
3 Ternary 1000121111
4 Quaternary 10322200
5 Quinary 1121003
6 Senary 233104
8 Octal 47240
10 Decimal 20128
12 Duodecimal b794
16 Hexadecimal 4ea0
20 Vigesimal 2a68
36 Base36 fj4

Cryptographic Hash Functions

md5 9abcd7ad0d9b1da387a19cc3fc572cde
sha1 f68bc2ec4d0c14b48ae800ec05b0ad0116196019
sha256 6449f13c0bee7e4c37742eddf72997fafb613bfdb8188993a33c9d89b541f9d1
sha512 5bbf5105e9f307011cf58615ca2ade6019aba7199c6940afb8abc92d9975e026a7f133664002515ead6db7693a93a3638424d07096f1d0032ed4e319d7c4b0c8
ripemd-160 8c072fe5d5ac5144f97554918277d469b3e453e2

20128 as geometric shapes

Circle

Radius = n
Diameter 40256
Circumference 126467.95386291
Area 1272773487.6763

Sphere

Radius = n
Volume 34157846346599
Surface area 5091093950.7053
Circumference 126467.95386291

Square

Length = n
Perimeter 80512
Area 405136384
Diagonal 28465.290583446

Cube

Length = n
Surface area 2430818304
Volume 8154585137152
Space diagonal 34862.718654746

Equilateral Triangle

Length = n
Perimeter 60384
Area 175429200.27068
Altitude 17431.359327373

Triangular Pyramid

Length = n
Surface area 175429200.27068
Volume 961027074707.2
Height 9488.4301944819