Max	9223372036854775807
25835	Positive integer
0b10001100	Binary number
01771452	Octal number
0x129abf	Hex number
5.012 * 10^7	Scientific notation
2^4 * 5	Factorized form
*	Random number

28391138 (number)

28391138 is an even 8-digits composite number following 28391137 and preceding 28391139. In scientific notation, it is written as 2.8391138 × 10^7. The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors. There are 14187520 positive integers (up to 28391138) that are relatively prime to 28391138.

Interesting facts

28391138 has 8 divisors, whose sum is 42610860
The reverse of 28391138 is 83119382
Previous prime number is 5441

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8

Name

Name	twenty-eight million three hundred ninety-one thousand one hundred thirty-eight

Notation

Scientific notation	2.8391138 × 10^7
Engineering notation	2.8391138 × 10^6

Prime Factorization of 28391138

Prime Factorization 2 × 5441 × 2609

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	28391138	Product of the distinct prime numbers

The prime factorization of 28391138 is 2 × 5441 × 2609. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 3, 57, 99, 147, 28, 8249, 7996, 74409, 51615, 271228, 636923, 1670022, 7945687, 44164181, 48329174, 124697417, 685029114, 2429357054, 258698240

Basic calculations (n = 28391138)

Multiplication

n×y

n×2	56782276
n×3	85173414
n×4	113564552
n×5	141955690

Division

n÷y

n÷2	14195569
n÷3	9463712.6666667
n÷3	7097784.5
n÷5	5678227.6

Exponentiation

n^y

n²	806056716935044
n³	2.288486748633E+22
n⁴	6.497274309161E+29
n⁵	1.8446501153525E+37

Nth Root

^y√n

²√n	5328.3335105828
³√n	305.06632258322
⁴√n	72.995434861249
⁵√n	30.948283043944

Divisors of 28391138

1, 2, 2609, 5218, 5441, 10882, 14195569, 28391138

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	-28391137	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 28391138 can be divided by 8 positive divisors. The sum of these divisors (counting 28391138) is 1, the average is 0.125.

Base conversion 28391138

Base	System	Value
2	Binary	1101100010011011011100010
3	Ternary	1222102102022122
4	Quaternary	1230103123202
5	Quinary	24232004023
6	Senary	2452304242
8	Octal	154233342
10	Decimal	28391138
12	Duodecimal	9612082
16	Hexadecimal	1b136e2
20	Vigesimal	8h8hgi
36	Base36	gwiqq

Cryptographic Hash Functions

md5	3cd07ce954b35c531e6ddf47b4ffd43e
sha1	7ac5e1f0997dc74aff40d120101d350b4c518635
sha256	9649bddf5f3a20f8af127eedaf98e3396fb11113aa48bb59ccd2101987d4d587
sha512	deef5e0c26ed8bb7df2cf0014556b3818ba1a2fe3b73503eb4db43005e6146092a6ee2ae5be7ff0a09a3849fd0ee75209923ea60deb21d2bdb93fbb9f6b2247e
ripemd-160	c15efbfe6fb8b4486e85be4a098b2a0a00fec393

28391138 as geometric shapes

Circle

Radius = n

Diameter	56782276
Circumference	178386781.13571
Area	2.5323018602998E+15

Sphere

Radius = n

Volume	9.5859908764573E+22
Surface area	1.0129207441199E+16
Circumference	178386781.13571

Square

Length = n

Perimeter	113564552
Area	806056716935044
Diagonal	40151132.410806

Cube

Length = n

Surface area	4836340301610264
Volume	2.288486748633E+22
Space diagonal	49174893.500699

Equilateral Triangle

Length = n

Perimeter	85173414
Area	3.4903279687842E+14
Altitude	24587446.75035

Triangular Pyramid

Length = n

Surface area	3.4903279687842E+14
Volume	2.6970074976899E+21
Height	13383710.803602