20187728 (number)

20187728 is an even 8-digits composite number following 20187727 and preceding 20187729. In scientific notation, it is written as 2.0187728 × 10^7. The sum of its digits is 35. It has a total of 6 prime factors and 20 positive divisors. There are 8691840 positive integers (up to 20187728) that are relatively prime to 20187728.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0187728 × 10^7
Engineering notation 2.0187728 × 10^6

Prime Factorization of 20187728

Prime Factorization 2 × 2 × 2 × 2 × 209 × 6037

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 2523466
Product of the distinct prime numbers

The prime factorization of 20187728 is 2 × 2 × 2 × 2 × 209 × 6037. Since it has a total of 6 prime factors.

Most popular turbo-numbers

1, 5, 78, 87, 626, 83, 7942, 905, 91231, 86844, 66003, 42051, 8949966, 7520651, 6212438, 22882761, 418781290, 580458027, 6126686087, 3741299224

Basic calculations (n = 20187728)

Multiplication

n×y
n×2 40375456
n×3 60563184
n×4 80750912
n×5 100938640

Division

n÷y
n÷2 10093864
n÷3 6729242.6666667
n÷3 5046932
n÷5 4037545.6

Exponentiation

ny
n2 407544361801984
n3 8.227394723992E+21
n4 1.6609240683659E+29
n5 3.3530283320823E+36

Nth Root

y√n
2√n 4493.0755613499
3√n 272.28840516481
4√n 67.030407736713
5√n 28.907962916248

Divisors of 20187728

1, 2, 4, 8, 16, 209, 418, 836, 1672, 3344, 6037, 12074, 24148, 48296, 96592, 1261733, 2523466, 5046932, 10093864, 20187728

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20187727
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20187728 can be divided by 20 positive divisors. The sum of these divisors (counting 20187728) is 1, the average is 0.05.

Base conversion 20187728

Base System Value
2 Binary 1001101000000101001010000
3 Ternary 1101222122100122
4 Quaternary 1031000221100
5 Quinary 20132001403
6 Senary 2000405412
8 Octal 115005120
10 Decimal 20187728
12 Duodecimal 6916868
16 Hexadecimal 1340a50
20 Vigesimal 663968
36 Base36 c0oy8

Cryptographic Hash Functions

md5 db46be51b4fbd5e88b88b54cfc4673ff
sha1 42c922556ff855ab0cd88ec59fcf92061f685e99
sha256 2adab623e304132bc5538d3525e9f124172e4e89983152fe03eb8e34d8f128d8
sha512 fc1778e933ecada2ffb077c73e0bbf879b5cae994732a9e81a42ceea39f8bdfac16dadb71244740ee78abee9a7f0dad92f80abac353a4643ae4f7adaee6bf96a
ripemd-160 1c89d6566e7082f097f61f16599043f340525135

20187728 as geometric shapes

Circle

Radius = n
Diameter 40375456
Circumference 126843235.95494
Area 1.2803383730491E+15

Sphere

Radius = n
Volume 3.4462830430769E+22
Surface area 5.1213534921962E+15
Circumference 126843235.95494

Square

Length = n
Perimeter 80750912
Area 407544361801984
Diagonal 28549758.731099

Cube

Length = n
Surface area 2445266170811904
Volume 8.227394723992E+21
Space diagonal 34966170.585381

Equilateral Triangle

Length = n
Perimeter 60563184
Area 1.7647188524482E+14
Altitude 17483085.29269

Triangular Pyramid

Length = n
Surface area 1.7647188524482E+14
Volume 9.6960776680553E+20
Height 9516586.2436997