20128500 (number)

20128500 is an even 8-digits composite number following 20128499 and preceding 20128501. In scientific notation, it is written as 2.0128500 × 10^7. The sum of its digits is 18. It has a total of 6 prime factors and 48 positive divisors. There are 4536000 positive integers (up to 20128500) that are relatively prime to 20128500.

Interesting facts

Basic properties

Name

Name twenty million one hundred twenty-eight thousand five hundred

Notation

Scientific notation 2.0128500 × 10^7
Engineering notation 2.0128500 × 10^6

Prime Factorization of 20128500

Prime Factorization 2 × 2 × 15 × 189 × 355 × 5

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 10064250
Product of the distinct prime numbers

The prime factorization of 20128500 is 2 × 2 × 15 × 189 × 355 × 5. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20128500)

Multiplication

n×y
n×2 40257000
n×3 60385500
n×4 80514000
n×5 100642500

Division

n÷y
n÷2 10064250
n÷3 6709500
n÷3 5032125
n÷5 4025700

Exponentiation

ny
n2 405156512250000
n3 8.1551928568241E+21
n4 1.6415179941858E+29
n5 3.304129494597E+36

Nth Root

y√n
2√n 4486.4796890212
3√n 272.02185882577
4√n 66.981189068433
5√n 28.890980582535

Divisors of 20128500

48 divisors

τ Total Divisors 48
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20128499
Sum of the proper positive divisors of n
A Arithmetic Mean 0.020833333333333
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 48
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20128500 can be divided by 48 positive divisors. The sum of these divisors (counting 20128500) is 1, the average is 0.020833333333333.

Base conversion 20128500

Base System Value
2 Binary 1001100110010001011110100
3 Ternary 1101212122010000
4 Quaternary 1030302023310
5 Quinary 20123103000
6 Senary 1555231300
8 Octal 114621364
10 Decimal 20128500
12 Duodecimal 68a8530
16 Hexadecimal 13322f4
20 Vigesimal 65g150
36 Base36 bzf90

Cryptographic Hash Functions

md5 e66b40ba57fc77cb33d987d7e8de0468
sha1 6a872dadae581b073155d834e08cdeb61b7e6dc2
sha256 5416e5ffaf25763b57a503bcb3916e86483e722b6de8b5c9f0c40c8c6096d83a
sha512 191607570a7d52b6659f59a44f5093e422b18768395379e44852725e7a6268e006e0a4b02dc2ca0e26a3037cf06b7cfb0cfa23df633eef7849f639ec381051de
ripemd-160 07474afc125345be205f6c288430c17c84d14325

20128500 as geometric shapes

Circle

Radius = n
Diameter 40257000
Circumference 126471095.45556
Area 1.2728367224387E+15

Sphere

Radius = n
Volume 3.4160391956809E+22
Surface area 5.0913468897547E+15
Circumference 126471095.45556

Square

Length = n
Perimeter 80514000
Area 405156512250000
Diagonal 28465997.690227

Cube

Length = n
Surface area 2430939073500000
Volume 8.1551928568241E+21
Space diagonal 34863584.68015

Equilateral Triangle

Length = n
Perimeter 60385500
Area 1.754379160586E+14
Altitude 17431792.340075

Triangular Pyramid

Length = n
Surface area 1.754379160586E+14
Volume 9.6109869515741E+20
Height 9488665.8967423