28455870 (number)

28455870 is an even 8-digits composite number following 28455869 and preceding 28455871. In scientific notation, it is written as 2.8455870 × 10^7. The sum of its digits is 39. It has a total of 5 prime factors and 32 positive divisors. There are 7556000 positive integers (up to 28455870) that are relatively prime to 28455870.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8455870 × 10^7
Engineering notation 2.8455870 × 10^6

Prime Factorization of 28455870

Prime Factorization 2 × 3 × 5 × 3779 × 251

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 28455870
Product of the distinct prime numbers

The prime factorization of 28455870 is 2 × 3 × 5 × 3779 × 251. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28455870)

Multiplication

n×y
n×2 56911740
n×3 85367610
n×4 113823480
n×5 142279350

Division

n÷y
n÷2 14227935
n÷3 9485290
n÷3 7113967.5
n÷5 5691174

Exponentiation

ny
n2 809736537456900
n3 2.3041757644124E+22
n4 6.5567326009269E+29
n5 1.8657753051674E+37

Nth Root

y√n
2√n 5334.4043716239
3√n 305.29799773935
4√n 73.037006863808
5√n 30.962382652756

Divisors of 28455870

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28455869
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28455870 can be divided by 32 positive divisors. The sum of these divisors (counting 28455870) is 1, the average is 0.03125.

Base conversion 28455870

Base System Value
2 Binary 1101100100011001110111110
3 Ternary 1222112201010010
4 Quaternary 1230203032332
5 Quinary 24241041440
6 Senary 2453524050
8 Octal 154431676
10 Decimal 28455870
12 Duodecimal 9643626
16 Hexadecimal 1b233be
20 Vigesimal 8hgjda
36 Base36 gxwou

Cryptographic Hash Functions

md5 2b7b7e4a0743f4c9c0aef31e1922d81a
sha1 b03ccafaaa0d459fc9e8b1f0d8dd4352ce8c587a
sha256 0050c6b719c2e0b58203be1fb7fd7b28730026715f50c086a91f6d572585a64f
sha512 e262baae030cd7c902c9deeeb35fd17131524491a6ce3ee3ca3ce85faccb7466b19bbb27dfbf583d8b613185c9e8b2701df541140dd941c1e8fd685d14e273c8
ripemd-160 28c2a405ed178481d598f348b196555cabc677f6

28455870 as geometric shapes

Circle

Radius = n
Diameter 56911740
Circumference 178793504.28701
Area 2.5438623574178E+15

Sphere

Radius = n
Volume 9.6517088720767E+22
Surface area 1.0175449429671E+16
Circumference 178793504.28701

Square

Length = n
Perimeter 113823480
Area 809736537456900
Diagonal 40242677.283126

Cube

Length = n
Surface area 4858419224741400
Volume 2.3041757644124E+22
Space diagonal 49287012.613575

Equilateral Triangle

Length = n
Perimeter 85367610
Area 3.5062620590506E+14
Altitude 24643506.306787

Triangular Pyramid

Length = n
Surface area 3.5062620590506E+14
Volume 2.7154971801028E+21
Height 13414225.761042