20455728 (number)

20455728 is an even 8-digits composite number following 20455727 and preceding 20455729. In scientific notation, it is written as 2.0455728 × 10^7. The sum of its digits is 33. It has a total of 6 prime factors and 20 positive divisors. There are 6818560 positive integers (up to 20455728) that are relatively prime to 20455728.

Interesting facts

Basic properties

Name

Name twenty million four hundred fifty-five thousand seven hundred twenty-eight

Notation

Scientific notation 2.0455728 × 10^7
Engineering notation 2.0455728 × 10^6

Prime Factorization of 20455728

Prime Factorization 2 × 2 × 2 × 2 × 3 × 426161

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 2556966
Product of the distinct prime numbers

The prime factorization of 20455728 is 2 × 2 × 2 × 2 × 3 × 426161. Since it has a total of 6 prime factors.

Most popular turbo-numbers

2, 2, 14, 79, 322, 688, 2214, 5108, 62823, 96201, 803764, 473930, 4169764, 6729240, 20015849, 87922823, 489394613, 257781031, 473680217, 7856944026

Basic calculations (n = 20455728)

Multiplication

n×y
n×2 40911456
n×3 61367184
n×4 81822912
n×5 102278640

Division

n÷y
n÷2 10227864
n÷3 6818576
n÷3 5113932
n÷5 4091145.6

Exponentiation

ny
n2 418436808009984
n3 8.5594295298405E+21
n4 1.7508936229758E+29
n5 3.5815803708528E+36

Nth Root

y√n
2√n 4522.800902096
3√n 273.48802401141
4√n 67.251772482931
5√n 28.984311469932

Divisors of 20455728

1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 426161, 852322, 1278483, 1704644, 2556966, 3409288, 5113932, 6818576, 10227864, 20455728

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 -20455727
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 20455728 can be divided by 20 positive divisors. The sum of these divisors (counting 20455728) is 1, the average is 0.05.

Base conversion 20455728

Base System Value
2 Binary 1001110000010000100110000
3 Ternary 1102111020222120
4 Quaternary 1032002010300
5 Quinary 20214040403
6 Senary 2010234240
8 Octal 116020460
10 Decimal 20455728
12 Duodecimal 6a25980
16 Hexadecimal 1382130
20 Vigesimal 67gj68
36 Base36 c6fqo

Cryptographic Hash Functions

md5 1b682eb18b4805580790f40b34cd8b3e
sha1 283f5c70c5870d10261813d1a81901c673bfb875
sha256 8f5567b1bb3977634a5dfefbc0197252b6525d47be2f241cb4a959a2749ddbf1
sha512 7a14f27914443a95ff6cefced9d8c5fab5163f0c6aa77ccf03ecf3dfb391072d3a556abbb7d732ae4751a5ab8d6cb67c361f28b68f8a5eef0e6c325bd6352c0c
ripemd-160 67ca95f8ef1878d8748b4a6ba7203c1827593eb6

20455728 as geometric shapes

Circle

Radius = n
Diameter 40911456
Circumference 128527129.61726
Area 1.3145580020357E+15

Sphere

Radius = n
Volume 3.5853654573155E+22
Surface area 5.2582320081429E+15
Circumference 128527129.61726

Square

Length = n
Perimeter 81822912
Area 418436808009984
Diagonal 28928767.965815

Cube

Length = n
Surface area 2510620848059904
Volume 8.5594295298405E+21
Space diagonal 35430360.201809

Equilateral Triangle

Length = n
Perimeter 61367184
Area 1.8118845280756E+14
Altitude 17715180.100905

Triangular Pyramid

Length = n
Surface area 1.8118845280756E+14
Volume 1.0087384439398E+21
Height 9642922.6552717