28178081 (number)

28178081 is an odd 8-digits prime number following 28178080 and preceding 28178082. In scientific notation, it is written as 2.8178081 × 10^7. The sum of its digits is 35. It has a total of 1 prime factors and 2 positive divisors. There are 28178080 positive integers (up to 28178081) that are relatively prime to 28178081.

Interesting facts

Basic properties

Name

Name twenty-eight million one hundred seventy-eight thousand eighty-one

Notation

Scientific notation 2.8178081 × 10^7
Engineering notation 2.8178081 × 10^6

Prime Factorization of 28178081

Prime Factorization 28178081

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 28178081
Product of the distinct prime numbers

The prime factorization of 28178081 is 28178081. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28178081)

Multiplication

n×y
n×2 56356162
n×3 84534243
n×4 112712324
n×5 140890405

Division

n÷y
n÷2 14089040.5
n÷3 9392693.6666667
n÷3 7044520.25
n÷5 5635616.2

Exponentiation

ny
n2 794004248842561
n3 2.237351603823E+22
n4 6.3044274718004E+29
n5 1.7764666795902E+37

Nth Root

y√n
2√n 5308.3030245079
3√n 304.30129768661
4√n 72.858101982607
5√n 30.901693642385

Divisors of 28178081

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 28178082
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 14089041
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 5308.3031187
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999290228
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28178081 can be divided by 2 positive divisors. The sum of these divisors (counting 28178081) is 28178082, the average is 14089041.

Base conversion 28178081

Base System Value
2 Binary 1101011011111011010100001
3 Ternary 1222000121001122
4 Quaternary 1223133122201
5 Quinary 24203144311
6 Senary 2443542025
8 Octal 153373241
10 Decimal 28178081
12 Duodecimal 952a915
16 Hexadecimal 1adf6a1
20 Vigesimal 8g2541
36 Base36 grych

Cryptographic Hash Functions

md5 43788890972a613fe080c073ab122279
sha1 cc510b4956e4b3571fe2351f500463f1fc9eab87
sha256 bb47cbac6afaeb78eef6e9660722577a9554eaec2b5c5314ece1a674fca5e650
sha512 df90e2be84d36d8ca2afe224172209e1aa58c4aee9ff1cebb560c6d511651310e3117461806c02339baef71757342df35a9d3bc5e7bc1b105bc4bb27e2bb2f97
ripemd-160 c94a3eeb2fbbfae7c1c40b06f2ced587eae3da8d

28178081 as geometric shapes

Circle

Radius = n
Diameter 56356162
Circumference 177048104.52372
Area 2.4944379150829E+15

Sphere

Radius = n
Volume 9.3717964827568E+22
Surface area 9.9777516603315E+15
Circumference 177048104.52372

Square

Length = n
Perimeter 112712324
Area 794004248842561
Diagonal 39849824.311848

Cube

Length = n
Surface area 4764025493055366
Volume 2.237351603823E+22
Space diagonal 48805867.951791

Equilateral Triangle

Length = n
Perimeter 84534243
Area 3.4381392510522E+14
Altitude 24402933.975896

Triangular Pyramid

Length = n
Surface area 3.4381392510522E+14
Volume 2.6367441516031E+21
Height 13283274.770616