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.
28102008 has 32 divisors, whose sum is 70842960
The reverse of 28102008 is 80020182
Previous prime number is 121
Is Prime? no
Number parity even
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty-eight million one hundred two thousand eight
Scientific notation
2.8102008 × 10^7
Engineering notation
2.8102008 × 10^6
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.
9 , 2 , 96 , 88 , 351 , 355 , 3012 , 3707 , 35584 , 18047 , 117047 , 879904 , 9812766 , 4369645 , 68059775 , 1116207 , 44688440 , 829182980 , 8822348707 , 5998065913
n×2
56204016
n×3
84306024
n×4
112408032
n×5
140510040
n÷2
14051004
n÷3
9367336
n÷3
7025502
n÷5
5620401.6
n2
789722853632064
n3
2.2192797950551E+22
n4
6.2366218554877E+29
n5
1.7526159727589E+37
2 √n
5301.1327091481
3 √n
304.02720786031
4 √n
72.808877955563
5 √n
30.8849903953
1 , 2 , 3 , 4 , 6 , 8 , 12 , 24 , 121 , 242 , 363 , 484 , 726 , 968 , 1452 , 2904 , 9677 , 19354 , 29031 , 38708 , 58062 , 77416 , 116124 , 232248 , 1170917 , 2341834 , 3512751 , 4683668 , 7025502 , 9367336 , 14051004 , 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
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
md5
a1e14a3ae46454d654cceb0e94f24256
sha1
0b2742d3a657bf71155c169a147e440f6609d8ef
sha256
1ac85c6e5a3dc6f76c6b9df33758da3e2780aa16d908080db6bd7775033ff2b3
sha512
cae1acd407d71dfae4a82696bf8a232b9739fedb0642e17889c5e57701ee63d46665caeff2917aaeba1680cfc5e7ab1e4e823771915163dc0ed16488dda03f11
ripemd-160
87692410a1b4c95ed865522ce9bbbb6f52c1d390
Diameter
56204016
Circumference
176570123.76784
Area
2.4809875153425E+15
Volume
9.2960974672072E+22
Surface area
9.9239500613698E+15
Circumference
176570123.76784
Perimeter
112408032
Area
789722853632064
Diagonal
39742240.843517
Surface area
4738337121792384
Volume
2.2192797950551E+22
Space diagonal
48674105.650707
Perimeter
84306024
Area
3.4196002659725E+14
Altitude
24337052.825354
Surface area
3.4196002659725E+14
Volume
2.6154463207229E+21
Height
13247413.614506