28102920 is an even 8-digits composite number following 28102919
and preceding 28102921 . In scientific notation, it is written as 2.8102920 × 10^7.
The sum of its digits is 24. It has a total of 6 prime factors and 32 positive divisors.
There are 7494080 positive integers (up to 28102920) that are relatively prime to 28102920.
28102920 has 32 divisors, whose sum is 84309120
The reverse of 28102920 is 02920182
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty-eight million one hundred two thousand nine hundred twenty
Scientific notation
2.8102920 × 10^7
Engineering notation
2.8102920 × 10^6
Prime Factorization
2 × 2 × 2 × 5 × 3 × 234191
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
7025730
Product of the distinct prime numbers
The prime factorization of 28102920 is 2 × 2 × 2 × 5 × 3 × 234191.
Since it has a total of 6 prime factors.
8 , 1 , 24 , 16 , 18 , 686 , 4800 , 2974 , 22733 , 78107 , 976236 , 471182 , 4385434 , 6164016 , 38585808 , 48773020 , 859562489 , 32299475 , 1867642441 , 8007289223
n×2
56205840
n×3
84308760
n×4
112411680
n×5
140514600
n÷2
14051460
n÷3
9367640
n÷3
7025730
n÷5
5620584
n2
789774112526400
n3
2.21949587024E+22
n4
6.2374314881686E+29
n5
1.7529003811748E+37
2 √n
5301.2187278021
3 √n
304.03049670968
4 √n
72.809468668588
5 √n
30.885190856033
1 , 2 , 3 , 4 , 5 , 6 , 8 , 10 , 12 , 15 , 20 , 24 , 30 , 40 , 60 , 120 , 234191 , 468382 , 702573 , 936764 , 1170955 , 1405146 , 1873528 , 2341910 , 2810292 , 3512865 , 4683820 , 5620584 , 7025730 , 9367640 , 14051460 , 28102920
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
-28102919
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 28102920 can be divided by 32 positive divisors.
The sum of these divisors (counting 28102920) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1101011001101000100001000
3
Ternary
1221212202221220
4
Quaternary
1223031010020
5
Quinary
24143243140
6
Senary
2442202040
8
Octal
153150410
10
Decimal
28102920
12
Duodecimal
94b3320
16
Hexadecimal
1acd108
20
Vigesimal
8fch60
36
Base36
gqcco
md5
c696962a04cfa1855166f4c576ecf8a0
sha1
899dab2b750e3150f2d75185a5fa4d5d9c8d33e6
sha256
2afeb48a43d16834ff0e975382b203d4405f007bbacdddeba99ad1d1057f5c71
sha512
d36ba50bd25765d8f31d7e06560b125010fb7dcb0b4e3b3dd5bcf7aa27a82383df02b6905743047866cdd16059e3e43533d37446c894c4a8cd2ba9c9aa94606a
ripemd-160
2aa1c475b7f93ba859845e2f6757d9ca057ada82
Diameter
56205840
Circumference
176575854.03284
Area
2.4811485499083E+15
Volume
9.2970025608253E+22
Surface area
9.9245941996333E+15
Circumference
176575854.03284
Perimeter
112411680
Area
789774112526400
Diagonal
39743530.606286
Surface area
4738644675158400
Volume
2.21949587024E+22
Space diagonal
48675685.281044
Perimeter
84308760
Area
3.4198222234959E+14
Altitude
24337842.640522
Surface area
3.4198222234959E+14
Volume
2.6157009677705E+21
Height
13247843.535429