20228728 (number)

20228728 is an even 8-digits composite number following 20228727 and preceding 20228729. In scientific notation, it is written as 2.0228728 × 10^7. The sum of its digits is 31. It has a total of 5 prime factors and 16 positive divisors. There are 9336288 positive integers (up to 20228728) that are relatively prime to 20228728.

Interesting facts

Basic properties

Name

Name twenty million two hundred twenty-eight thousand seven hundred twenty-eight

Notation

Scientific notation 2.0228728 × 10^7
Engineering notation 2.0228728 × 10^6

Prime Factorization of 20228728

Prime Factorization 2 × 2 × 2 × 13 × 194507

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 5057182
Product of the distinct prime numbers

The prime factorization of 20228728 is 2 × 2 × 2 × 13 × 194507. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20228728)

Multiplication

n×y
n×2 40457456
n×3 60686184
n×4 80914912
n×5 101143640

Division

n÷y
n÷2 10114364
n÷3 6742909.3333333
n÷3 5057182
n÷5 4045745.6

Exponentiation

ny
n2 409201436497984
n3 8.277624556127E+21
n4 1.6744581563201E+29
n5 3.3872158591582E+36

Nth Root

y√n
2√n 4497.6358234077
3√n 272.47261403093
4√n 67.064415478014
5√n 28.919695438136

Divisors of 20228728

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20228727
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20228728 can be divided by 16 positive divisors. The sum of these divisors (counting 20228728) is 1, the average is 0.0625.

Base conversion 20228728

Base System Value
2 Binary 1001101001010101001111000
3 Ternary 1102001201121011
4 Quaternary 1031022221320
5 Quinary 20134304403
6 Senary 2001323304
8 Octal 115125170
10 Decimal 20228728
12 Duodecimal 6936534
16 Hexadecimal 134aa78
20 Vigesimal 668bg8
36 Base36 c1kl4

Cryptographic Hash Functions

md5 6e5bcc1de87871f8642126ce7644a3e8
sha1 849f514f8bf8791342c7e79d59f7b0f73224ffad
sha256 248d9d0370415a434b73c0583ee06af0eb668b0fd4e7c2d79b4b75ff08b9689e
sha512 a568a2e69250a1d83ae34117c07b7917cfa7899c13d40e69d3989ee077c2e6526b1e5cb1ea1ff05b87123684dc87e6dc881807c3b4154a2c12a133661d400dde
ripemd-160 845083724345ed25e27c6ba89740eed276e5e124

20228728 as geometric shapes

Circle

Radius = n
Diameter 40457456
Circumference 127100846.55253
Area 1.2855442267405E+15

Sphere

Radius = n
Volume 3.4673232659604E+22
Surface area 5.1421769069618E+15
Circumference 127100846.55253

Square

Length = n
Perimeter 80914912
Area 409201436497984
Diagonal 28607741.487156

Cube

Length = n
Surface area 2455208618987904
Volume 8.277624556127E+21
Space diagonal 35037184.668491

Equilateral Triangle

Length = n
Perimeter 60686184
Area 1.7718941963617E+14
Altitude 17518592.334246

Triangular Pyramid

Length = n
Surface area 1.7718941963617E+14
Volume 9.7552740929228E+20
Height 9535913.8290521