28228538 (number)

28228538 is an even 8-digits composite number following 28228537 and preceding 28228539. In scientific notation, it is written as 2.8228538 × 10^7. The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors. There are 12607920 positive integers (up to 28228538) that are relatively prime to 28228538.

Interesting facts

Basic properties

Name

Name twenty-eight million two hundred twenty-eight thousand five hundred thirty-eight

Notation

Scientific notation 2.8228538 × 10^7
Engineering notation 2.8228538 × 10^6

Prime Factorization of 28228538

Prime Factorization 2 × 31 × 13 × 35023

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28228538
Product of the distinct prime numbers

The prime factorization of 28228538 is 2 × 31 × 13 × 35023. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 7, 47, 85, 670, 481, 5865, 5229, 46927, 24306, 664361, 691827, 2970006, 2202424, 95192028, 324282, 762450851, 257841409, 9746793621, 6958901986

Basic calculations (n = 28228538)

Multiplication

n×y
n×2 56457076
n×3 84685614
n×4 112914152
n×5 141142690

Division

n÷y
n÷2 14114269
n÷3 9409512.6666667
n÷3 7057134.5
n÷5 5645707.6

Exponentiation

ny
n2 796850357617444
n3 2.2493920600318E+22
n4 6.3497049243505E+29
n5 1.7924288674581E+37

Nth Root

y√n
2√n 5313.0535476315
3√n 304.48282146359
4√n 72.890695892079
5√n 30.912752530028

Divisors of 28228538

1, 2, 13, 26, 31, 62, 403, 806, 35023, 70046, 455299, 910598, 1085713, 2171426, 14114269, 28228538

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 -28228537
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 28228538 can be divided by 16 positive divisors. The sum of these divisors (counting 28228538) is 1, the average is 0.0625.

Base conversion 28228538

Base System Value
2 Binary 1101011101011101110111010
3 Ternary 1222010011021102
4 Quaternary 1223223232322
5 Quinary 24211303123
6 Senary 2445011402
8 Octal 153535672
10 Decimal 28228538
12 Duodecimal 9553b62
16 Hexadecimal 1aebbba
20 Vigesimal 8g8b6i
36 Base36 gt1a2

Cryptographic Hash Functions

md5 821e6098292e274843fa8e13c3e6464a
sha1 31a3b298e41682e50756eec941410733fa3a5524
sha256 506fe520c100a2132cf5f262bf96f331c45e02dab8531cc85be7ad8401ea4dbf
sha512 f9607b222da310399bef140133021aa8bd678e5b8dbe8be127caeba5852b453d86512a2c1d70409c67feccafe7e4c5e28f7f901cd8c5866882b2eb25b2aa120f
ripemd-160 ee1e1795c5db53bc5c07212efae28d05d5aea7f2

28228538 as geometric shapes

Circle

Radius = n
Diameter 56457076
Circumference 177365135.20476
Area 2.5033792295014E+15

Sphere

Radius = n
Volume 9.4222314277853E+22
Surface area 1.0013516918005E+16
Circumference 177365135.20476

Square

Length = n
Perimeter 112914152
Area 796850357617444
Diagonal 39921181.285564

Cube

Length = n
Surface area 4781102145704664
Volume 2.2493920600318E+22
Space diagonal 48893262.039389

Equilateral Triangle

Length = n
Perimeter 84685614
Area 3.4504632635571E+14
Altitude 24446631.019694

Triangular Pyramid

Length = n
Surface area 3.4504632635571E+14
Volume 2.6509339653261E+21
Height 13307060.428521