28438863 (number)

28438863 is an odd 8-digits composite number following 28438862 and preceding 28438864. In scientific notation, it is written as 2.8438863 × 10^7. The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors. There are 18785088 positive integers (up to 28438863) that are relatively prime to 28438863.

Interesting facts

Basic properties

Name

Name twenty-eight million four hundred thirty-eight thousand eight hundred sixty-three

Notation

Scientific notation 2.8438863 × 10^7
Engineering notation 2.8438863 × 10^6

Prime Factorization of 28438863

Prime Factorization 3 × 109 × 86969

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28438863
Product of the distinct prime numbers

The prime factorization of 28438863 is 3 × 109 × 86969. Since it has a total of 3 prime factors.

Most popular turbo-numbers

2, 6, 51, 2, 857, 960, 4935, 7437, 68095, 95043, 15971, 365029, 5551132, 2859407, 6272845, 43282324, 151174004, 298929307, 7356532700, 4970578423

Basic calculations (n = 28438863)

Multiplication

n×y
n×2 56877726
n×3 85316589
n×4 113755452
n×5 142194315

Division

n÷y
n÷2 14219431.5
n÷3 9479621
n÷3 7109715.75
n÷5 5687772.6

Exponentiation

ny
n2 808768928732769
n3 2.3000468762888E+22
n4 6.5410718008355E+29
n5 1.8602064481712E+37

Nth Root

y√n
2√n 5332.8100472453
3√n 305.23716391976
4√n 73.026091551207
5√n 30.958680758047

Divisors of 28438863

1, 3, 109, 327, 86969, 260907, 9479621, 28438863

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 -28438862
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 28438863 can be divided by 8 positive divisors. The sum of these divisors (counting 28438863) is 1, the average is 0.125.

Base conversion 28438863

Base System Value
2 Binary 1101100011111000101001111
3 Ternary 1222111211210020
4 Quaternary 1230133011033
5 Quinary 24240020423
6 Senary 2453313223
8 Octal 154370517
10 Decimal 28438863
12 Duodecimal 9635813
16 Hexadecimal 1b1f14f
20 Vigesimal 8heh33
36 Base36 gxjkf

Cryptographic Hash Functions

md5 c34831fafb05f47ffd1d75df26abcc70
sha1 bd80d3afdecbeae8945cd751405562c1d5eeea04
sha256 63b6498e908541c029da337df77975352274b380d337cca9fac02e5e8df42526
sha512 7a68306d1cd7cd457c2900fb9cf13ef388145dd20a4ac10673d6785ce969dc8d54b4a827f4094eb08391416e41147ca897390e10cf2ba4a28c2144e41719a416
ripemd-160 e60d456b20cf381fadc30941a1ab488d5e9b6036

28438863 as geometric shapes

Circle

Radius = n
Diameter 56877726
Circumference 178686646.15449
Area 2.5408225249586E+15

Sphere

Radius = n
Volume 9.6344138259481E+22
Surface area 1.0163290099834E+16
Circumference 178686646.15449

Square

Length = n
Perimeter 113755452
Area 808768928732769
Diagonal 40218625.75307

Cube

Length = n
Surface area 4852613572396614
Volume 2.3000468762888E+22
Space diagonal 49257555.625491

Equilateral Triangle

Length = n
Perimeter 85316589
Area 3.5020721903705E+14
Altitude 24628777.812745

Triangular Pyramid

Length = n
Surface area 3.5020721903705E+14
Volume 2.7106312387846E+21
Height 13406208.584357