28681723 (number)

28681723 is an odd 8-digits composite number following 28681722 and preceding 28681724. In scientific notation, it is written as 2.8681723 × 10^7. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 24584328 positive integers (up to 28681723) that are relatively prime to 28681723.

Interesting facts

Basic properties

Name

Name twenty-eight million six hundred eighty-one thousand seven hundred twenty-three

Notation

Scientific notation 2.8681723 × 10^7
Engineering notation 2.8681723 × 10^6

Prime Factorization of 28681723

Prime Factorization 7 × 4097389

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28681723
Product of the distinct prime numbers

The prime factorization of 28681723 is 7 × 4097389. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28681723)

Multiplication

n×y
n×2 57363446
n×3 86045169
n×4 114726892
n×5 143408615

Division

n÷y
n÷2 14340861.5
n÷3 9560574.3333333
n÷3 7170430.75
n÷5 5736344.6

Exponentiation

ny
n2 822641234248729
n3 2.35947680091E+22
n4 6.7673860028627E+29
n5 1.9410029076819E+37

Nth Root

y√n
2√n 5355.5319997177
3√n 306.10358248737
4√n 73.181500392638
5√n 31.011376769363

Divisors of 28681723

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28681722
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28681723 can be divided by 4 positive divisors. The sum of these divisors (counting 28681723) is 1, the average is 0.25.

Base conversion 28681723

Base System Value
2 Binary 1101101011010010111111011
3 Ternary 1222222011221001
4 Quaternary 1231122113323
5 Quinary 24320303343
6 Senary 2502425431
8 Octal 155322773
10 Decimal 28681723
12 Duodecimal 9732277
16 Hexadecimal 1b5a5fb
20 Vigesimal 8j5463
36 Base36 h2qyj

Cryptographic Hash Functions

md5 3edd38043a77cb14817499acd7217a7c
sha1 568dd9d34c8e2c059c11a748a9235c55ce50fc96
sha256 1e6ffde76bc4170aaddb766e9fad98832ef692cebf4722aa2543a24179e6992b
sha512 d447ac972629cccce55d55fa9801c7c8fb0c55d00fd351fea87fc6b144460512e810e27ac5c41d9cd6c8a19232067ace1259aa27817cf7da46f80f1f2c2de635
ripemd-160 ea493449fe115874bf9ca5a463d80e555446126c

28681723 as geometric shapes

Circle

Radius = n
Diameter 57363446
Circumference 180212580.53819
Area 2.5844036580558E+15

Sphere

Radius = n
Volume 9.8833533120726E+22
Surface area 1.0337614632223E+16
Circumference 180212580.53819

Square

Length = n
Perimeter 114726892
Area 822641234248729
Diagonal 40562081.658828

Cube

Length = n
Surface area 4935847405492374
Volume 2.35947680091E+22
Space diagonal 49678201.484617

Equilateral Triangle

Length = n
Perimeter 86045169
Area 3.5621410352999E+14
Altitude 24839100.742308

Triangular Pyramid

Length = n
Surface area 3.5621410352999E+14
Volume 2.7806700766264E+21
Height 13520693.886276