28495865 (number)

28495865 is an odd 8-digits composite number following 28495864 and preceding 28495866. In scientific notation, it is written as 2.8495865 × 10^7. The sum of its digits is 47. It has a total of 3 prime factors and 8 positive divisors. There are 22311472 positive integers (up to 28495865) that are relatively prime to 28495865.

Interesting facts

Basic properties

Name

Name twenty-eight million four hundred ninety-five thousand eight hundred sixty-five

Notation

Scientific notation 2.8495865 × 10^7
Engineering notation 2.8495865 × 10^6

Prime Factorization of 28495865

Prime Factorization 5 × 47 × 121259

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28495865
Product of the distinct prime numbers

The prime factorization of 28495865 is 5 × 47 × 121259. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 3, 100, 73, 536, 101, 6398, 821, 60372, 63834, 105708, 98409, 4229343, 1135803, 64443457, 4776481, 783430197, 79665411, 7648146629, 7987365231

Basic calculations (n = 28495865)

Multiplication

n×y
n×2 56991730
n×3 85487595
n×4 113983460
n×5 142479325

Division

n÷y
n÷2 14247932.5
n÷3 9498621.6666667
n÷3 7123966.25
n÷5 5699173

Exponentiation

ny
n2 812014322098225
n3 2.3139050500578E+22
n4 6.5936725929264E+29
n5 1.8789240406223E+37

Nth Root

y√n
2√n 5338.1518337342
3√n 305.44096387456
4√n 73.06265690306
5√n 30.971081349236

Divisors of 28495865

1, 5, 47, 235, 121259, 606295, 5699173, 28495865

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 -28495864
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 28495865 can be divided by 8 positive divisors. The sum of these divisors (counting 28495865) is 1, the average is 0.125.

Base conversion 28495865

Base System Value
2 Binary 1101100101100111111111001
3 Ternary 1222121201222102
4 Quaternary 1230230333321
5 Quinary 24243331430
6 Senary 2454433145
8 Octal 154547771
10 Decimal 28495865
12 Duodecimal 96627b5
16 Hexadecimal 1b2cff9
20 Vigesimal 8i1jd5
36 Base36 gyrjt

Cryptographic Hash Functions

md5 37a748f7c6e35a427e78965c6618b081
sha1 5f323456209e978badee123c3cb66ed0f21d165e
sha256 c16cc6467cbef5eb2ae1d49a3a8ade22a7dfe6c7d9f4aea123cfeae95ec9a517
sha512 d587273fde3837bdf050df089152fa9ed3da15fd4708fd7a7a29e38e64b9722f8e3b895a30cc5dacfdc6b72678dc67c6e2d3d26e1f00c6f368315489ee0a3567
ripemd-160 ec300751044881fe6d9c1fe9cf768888ecf79003

28495865 as geometric shapes

Circle

Radius = n
Diameter 56991730
Circumference 179044800.28337
Area 2.5510182289135E+15

Sphere

Radius = n
Volume 9.6924628084877E+22
Surface area 1.0204072915654E+16
Circumference 179044800.28337

Square

Length = n
Perimeter 113983460
Area 812014322098225
Diagonal 40299238.754553

Cube

Length = n
Surface area 4872085932589350
Volume 2.3139050500578E+22
Space diagonal 49356285.985624

Equilateral Triangle

Length = n
Perimeter 85487595
Area 3.5161251558693E+14
Altitude 24678142.992812

Triangular Pyramid

Length = n
Surface area 3.5161251558693E+14
Volume 2.7269632531961E+21
Height 13433079.584851