28491275 (number)

28491275 is an odd 8-digits composite number following 28491274 and preceding 28491276. In scientific notation, it is written as 2.8491275 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 22738080 positive integers (up to 28491275) that are relatively prime to 28491275.

Interesting facts

Basic properties

Name

Name twenty-eight million four hundred ninety-one thousand two hundred seventy-five

Notation

Scientific notation 2.8491275 × 10^7
Engineering notation 2.8491275 × 10^6

Prime Factorization of 28491275

Prime Factorization 25 × 509 × 2239

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28491275
Product of the distinct prime numbers

The prime factorization of 28491275 is 25 × 509 × 2239. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28491275)

Multiplication

n×y
n×2 56982550
n×3 85473825
n×4 113965100
n×5 142456375

Division

n÷y
n÷2 14245637.5
n÷3 9497091.6666667
n÷3 7122818.75
n÷5 5698255

Exponentiation

ny
n2 811752751125625
n3 2.3127870864327E+22
n4 6.5894252896002E+29
n5 1.8774112801795E+37

Nth Root

y√n
2√n 5337.7218923432
3√n 305.42456325754
4√n 73.059714565164
5√n 30.970083545354

Divisors of 28491275

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 -28491274
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 28491275 can be divided by 8 positive divisors. The sum of these divisors (counting 28491275) is 1, the average is 0.125.

Base conversion 28491275

Base System Value
2 Binary 1101100101011111000001011
3 Ternary 1222121111200102
4 Quaternary 1230223320023
5 Quinary 24243210100
6 Senary 2454400015
8 Octal 154537013
10 Decimal 28491275
12 Duodecimal 966000b
16 Hexadecimal 1b2be0b
20 Vigesimal 8i183f
36 Base36 gyo0b

Cryptographic Hash Functions

md5 fde3310a6ca5cbc3997286e619fc2610
sha1 f8fc7eb9e696f0b53c0b74159eaee95a86343d4f
sha256 2a6252b28e39d0b77cadfb0c58808e622f6d17cb1512b5cb950284d0a04e9f8e
sha512 afe1216ac8a21f082f4c8b59814592f9c1f84fe2e6c038d44c8a342ebd80ab0dafd27e003f7ea991c8c92416c9453830e40e315f2116b92b35e953b5f3d4fd4f
ripemd-160 ce79bf5f613d8d7c1af86179a7090f8ea751be2b

28491275 as geometric shapes

Circle

Radius = n
Diameter 56982550
Circumference 179015960.46281
Area 2.5501964794676E+15

Sphere

Radius = n
Volume 9.6877798934056E+22
Surface area 1.020078591787E+16
Circumference 179015960.46281

Square

Length = n
Perimeter 113965100
Area 811752751125625
Diagonal 40292747.514302

Cube

Length = n
Surface area 4870516506753750
Volume 2.3127870864327E+22
Space diagonal 49348335.872417

Equilateral Triangle

Length = n
Perimeter 85473825
Area 3.5149925203335E+14
Altitude 24674167.936208

Triangular Pyramid

Length = n
Surface area 3.5149925203335E+14
Volume 2.7256457204287E+21
Height 13430915.838101