20091728 (number)

20091728 is an even 8-digits composite number following 20091727 and preceding 20091729. In scientific notation, it is written as 2.0091728 × 10^7. The sum of its digits is 29. It has a total of 6 prime factors and 20 positive divisors. There are 9945600 positive integers (up to 20091728) that are relatively prime to 20091728.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0091728 × 10^7
Engineering notation 2.0091728 × 10^6

Prime Factorization of 20091728

Prime Factorization 2 × 2 × 2 × 2 × 101 × 12433

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 2511466
Product of the distinct prime numbers

The prime factorization of 20091728 is 2 × 2 × 2 × 2 × 101 × 12433. Since it has a total of 6 prime factors.

Most popular turbo-numbers

3, 2, 90, 19, 906, 319, 1178, 1120, 34560, 99750, 906552, 248273, 7305956, 68802, 68739275, 59347461, 696181559, 275394079, 368357276, 8375447274

Basic calculations (n = 20091728)

Multiplication

n×y
n×2 40183456
n×3 60275184
n×4 80366912
n×5 100458640

Division

n÷y
n÷2 10045864
n÷3 6697242.6666667
n÷3 5022932
n÷5 4018345.6

Exponentiation

ny
n2 403677534025984
n3 8.1105792133608E+21
n4 1.629555514773E+29
n5 3.2740586163719E+36

Nth Root

y√n
2√n 4482.3797251014
3√n 271.85610901462
4√n 66.950576734644
5√n 28.88041689107

Divisors of 20091728

1, 2, 4, 8, 16, 101, 202, 404, 808, 1616, 12433, 24866, 49732, 99464, 198928, 1255733, 2511466, 5022932, 10045864, 20091728

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 -20091727
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 20091728 can be divided by 20 positive divisors. The sum of these divisors (counting 20091728) is 1, the average is 0.05.

Base conversion 20091728

Base System Value
2 Binary 1001100101001001101010000
3 Ternary 1101210202200002
4 Quaternary 1030221031100
5 Quinary 20120413403
6 Senary 1554345132
8 Octal 114511520
10 Decimal 20091728
12 Duodecimal 688b1a8
16 Hexadecimal 1329350
20 Vigesimal 65b968
36 Base36 bymvk

Cryptographic Hash Functions

md5 c65e12f63472a0d6df93b48e50bd7fa7
sha1 983d9f7e9800ef51ffc8f6515252de072644dd31
sha256 c44ff794aaafef5dd11b9a2458bc407e03f1a72e691b5ef5a2636a47e811e78b
sha512 cd0bf2d3cff5874fb051f03583dd86067361c11ecb2969c483c60cc5bc2e13f10669e97f94ad1781ca6a102b8344d12f2ee5a8268964a493b0f4726f8cbe3181
ripemd-160 5be7aeb925d442f84fba08ac5e8abe6b718d9f94

20091728 as geometric shapes

Circle

Radius = n
Diameter 40183456
Circumference 126240050.16545
Area 1.2681903753153E+15

Sphere

Radius = n
Volume 3.397351476407E+22
Surface area 5.0727615012611E+15
Circumference 126240050.16545

Square

Length = n
Perimeter 80366912
Area 403677534025984
Diagonal 28413994.229111

Cube

Length = n
Surface area 2422065204155904
Volume 8.1105792133608E+21
Space diagonal 34799893.707854

Equilateral Triangle

Length = n
Perimeter 60275184
Area 1.7479749970178E+14
Altitude 17399946.853927

Triangular Pyramid

Length = n
Surface area 1.7479749970178E+14
Volume 9.5584092685301E+20
Height 9471331.4097038