28102008 (number)

28102008 is an even 8-digits composite number following 28102007 and preceding 28102009. In scientific notation, it is written as 2.8102008 × 10^7. The sum of its digits is 21. It has a total of 6 prime factors and 32 positive divisors. There are 8514880 positive integers (up to 28102008) that are relatively prime to 28102008.

Interesting facts

Basic properties

Name

Name twenty-eight million one hundred two thousand eight

Notation

Scientific notation 2.8102008 × 10^7
Engineering notation 2.8102008 × 10^6

Prime Factorization of 28102008

Prime Factorization 2 × 2 × 2 × 3 × 121 × 9677

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 7025502
Product of the distinct prime numbers

The prime factorization of 28102008 is 2 × 2 × 2 × 3 × 121 × 9677. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28102008)

Multiplication

n×y
n×2 56204016
n×3 84306024
n×4 112408032
n×5 140510040

Division

n÷y
n÷2 14051004
n÷3 9367336
n÷3 7025502
n÷5 5620401.6

Exponentiation

ny
n2 789722853632064
n3 2.2192797950551E+22
n4 6.2366218554877E+29
n5 1.7526159727589E+37

Nth Root

y√n
2√n 5301.1327091481
3√n 304.02720786031
4√n 72.808877955563
5√n 30.8849903953

Divisors of 28102008

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 -28102007
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 28102008 can be divided by 32 positive divisors. The sum of these divisors (counting 28102008) is 1, the average is 0.03125.

Base conversion 28102008

Base System Value
2 Binary 1101011001100110101111000
3 Ternary 1221212201201010
4 Quaternary 1223030311320
5 Quinary 24143231013
6 Senary 2442153520
8 Octal 153146570
10 Decimal 28102008
12 Duodecimal 94b28a0
16 Hexadecimal 1accd78
20 Vigesimal 8fcf08
36 Base36 gqbnc

Cryptographic Hash Functions

md5 a1e14a3ae46454d654cceb0e94f24256
sha1 0b2742d3a657bf71155c169a147e440f6609d8ef
sha256 1ac85c6e5a3dc6f76c6b9df33758da3e2780aa16d908080db6bd7775033ff2b3
sha512 cae1acd407d71dfae4a82696bf8a232b9739fedb0642e17889c5e57701ee63d46665caeff2917aaeba1680cfc5e7ab1e4e823771915163dc0ed16488dda03f11
ripemd-160 87692410a1b4c95ed865522ce9bbbb6f52c1d390

28102008 as geometric shapes

Circle

Radius = n
Diameter 56204016
Circumference 176570123.76784
Area 2.4809875153425E+15

Sphere

Radius = n
Volume 9.2960974672072E+22
Surface area 9.9239500613698E+15
Circumference 176570123.76784

Square

Length = n
Perimeter 112408032
Area 789722853632064
Diagonal 39742240.843517

Cube

Length = n
Surface area 4738337121792384
Volume 2.2192797950551E+22
Space diagonal 48674105.650707

Equilateral Triangle

Length = n
Perimeter 84306024
Area 3.4196002659725E+14
Altitude 24337052.825354

Triangular Pyramid

Length = n
Surface area 3.4196002659725E+14
Volume 2.6154463207229E+21
Height 13247413.614506