20728051 (number)

20728051 is an odd 8-digits composite number following 20728050 and preceding 20728052. In scientific notation, it is written as 2.0728051 × 10^7. The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors. There are 20445768 positive integers (up to 20728051) that are relatively prime to 20728051.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0728051 × 10^7
Engineering notation 2.0728051 × 10^6

Prime Factorization of 20728051

Prime Factorization 127 × 227 × 719

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20728051
Product of the distinct prime numbers

The prime factorization of 20728051 is 127 × 227 × 719. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20728051)

Multiplication

n×y
n×2 41456102
n×3 62184153
n×4 82912204
n×5 103640255

Division

n÷y
n÷2 10364025.5
n÷3 6909350.3333333
n÷3 5182012.75
n÷5 4145610.2

Exponentiation

ny
n2 429652098258601
n3 8.9058506049613E+21
n4 1.8460092553802E+29
n5 3.8264173991993E+36

Nth Root

y√n
2√n 4552.8069363855
3√n 274.69630827266
4√n 67.474491005012
5√n 29.061076233492

Divisors of 20728051

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20728050
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20728051 can be divided by 8 positive divisors. The sum of these divisors (counting 20728051) is 1, the average is 0.125.

Base conversion 20728051

Base System Value
2 Binary 1001111000100100011110011
3 Ternary 1110000002112121
4 Quaternary 1033010203303
5 Quinary 20301244201
6 Senary 2020135111
8 Octal 117044363
10 Decimal 20728051
12 Duodecimal 6b37497
16 Hexadecimal 13c48f3
20 Vigesimal 69b02b
36 Base36 cc9v7

Cryptographic Hash Functions

md5 9947d0cb9235fe17473573da1d21e689
sha1 41136f6766f5f8ef09830db8f35b56d019200b91
sha256 f31237078b015228d054970b6cfc2b0b9c681c3838e414bdfd4c3d4d482f7a29
sha512 514622dd117f885eec064d312f0d4bfa96a59e86d03c2168cc6783c98c19f115e67dc98fc693ab24ce6947bc25162c89b6ce514d688fdd36a1b977359d460647
ripemd-160 ce93cb5148cbecb31dc742502cb5e2df27de2903

20728051 as geometric shapes

Circle

Radius = n
Diameter 41456102
Circumference 130238185.48967
Area 1.3497918754887E+15

Sphere

Radius = n
Volume 3.7304739779353E+22
Surface area 5.3991675019546E+15
Circumference 130238185.48967

Square

Length = n
Perimeter 82912204
Area 429652098258601
Diagonal 29313890.845761

Cube

Length = n
Surface area 2577912589551606
Volume 8.9058506049613E+21
Space diagonal 35902037.473879

Equilateral Triangle

Length = n
Perimeter 62184153
Area 1.8604481594062E+14
Altitude 17951018.736939

Triangular Pyramid

Length = n
Surface area 1.8604481594062E+14
Volume 1.0495645591671E+21
Height 9771296.9485871