28455871 (number)

28455871 is an odd 8-digits composite number following 28455870 and preceding 28455872. In scientific notation, it is written as 2.8455871 × 10^7. The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors. There are 28264744 positive integers (up to 28455871) that are relatively prime to 28455871.

Interesting facts

Basic properties

Name

Name twenty-eight million four hundred fifty-five thousand eight hundred seventy-one

Notation

Scientific notation 2.8455871 × 10^7
Engineering notation 2.8455871 × 10^6

Prime Factorization of 28455871

Prime Factorization 149 × 190979

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28455871
Product of the distinct prime numbers

The prime factorization of 28455871 is 149 × 190979. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28455871)

Multiplication

n×y
n×2 56911742
n×3 85367613
n×4 113823484
n×5 142279355

Division

n÷y
n÷2 14227935.5
n÷3 9485290.3333333
n÷3 7113967.75
n÷5 5691174.2

Exponentiation

ny
n2 809736594368641
n3 2.3041760073333E+22
n4 6.5567335225973E+29
n5 1.865775633004E+37

Nth Root

y√n
2√n 5334.4044653551
3√n 305.29800131563
4√n 73.037007505477
5√n 30.962382870373

Divisors of 28455871

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 -28455870
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 28455871 can be divided by 4 positive divisors. The sum of these divisors (counting 28455871) is 1, the average is 0.25.

Base conversion 28455871

Base System Value
2 Binary 1101100100011001110111111
3 Ternary 1222112201010011
4 Quaternary 1230203032333
5 Quinary 24241041441
6 Senary 2453524051
8 Octal 154431677
10 Decimal 28455871
12 Duodecimal 9643627
16 Hexadecimal 1b233bf
20 Vigesimal 8hgjdb
36 Base36 gxwov

Cryptographic Hash Functions

md5 e21977d91615708d82c3d2ffe6b2ff73
sha1 85ee4bca06d92450291bf6215afdd753d4c3247d
sha256 a1b779c0721263ef8d69713af06c6e17fd59f570a4a7aefbd7f4c10f4f5cd0ec
sha512 d63f37cbe2745d64e2b62a32d532aef97596b4d14b14234ddcade2d77097ed6e1b06188a2591ce5892d9de40771c024c73aaabab9096759cc665db4cb9bb1f22
ripemd-160 f30e17ab0289ee29550639f88e9038d80403494e

28455871 as geometric shapes

Circle

Radius = n
Diameter 56911742
Circumference 178793510.5702
Area 2.5438625362113E+15

Sphere

Radius = n
Volume 9.6517098896217E+22
Surface area 1.0175450144845E+16
Circumference 178793510.5702

Square

Length = n
Perimeter 113823484
Area 809736594368641
Diagonal 40242678.697339

Cube

Length = n
Surface area 4858419566211846
Volume 2.3041760073333E+22
Space diagonal 49287014.345626

Equilateral Triangle

Length = n
Perimeter 85367613
Area 3.5062623054857E+14
Altitude 24643507.172813

Triangular Pyramid

Length = n
Surface area 3.5062623054857E+14
Volume 2.7154974663879E+21
Height 13414226.232446