28017979 is an odd 8-digits composite number following 28017978
and preceding 28017980 . In scientific notation, it is written as 2.8017979 × 10^7.
The sum of its digits is 43. It has a total of 4 prime factors and 16 positive divisors.
There are 23937760 positive integers (up to 28017979) that are relatively prime to 28017979.
28017979 has 16 divisors, whose sum is 32451840
The reverse of 28017979 is 97971082
Previous prime number is 59
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7
Name
twenty-eight million seventeen thousand nine hundred seventy-nine
Scientific notation
2.8017979 × 10^7
Engineering notation
2.8017979 × 10^6
Prime Factorization
23 × 11 × 59 × 1877
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28017979
Product of the distinct prime numbers
The prime factorization of 28017979 is 23 × 11 × 59 × 1877.
Since it has a total of 4 prime factors.
7 , 8 , 78 , 59 , 323 , 395 , 3673 , 6176 , 82822 , 35002 , 488953 , 366528 , 7367194 , 3515445 , 38335593 , 87621879 , 954333873 , 689551425 , 9578288401 , 4250603678
n×2
56035958
n×3
84053937
n×4
112071916
n×5
140089895
n÷2
14008989.5
n÷3
9339326.3333333
n÷3
7004494.75
n÷5
5603595.8
n2
785007147244441
n3
2.1994313766345E+22
n4
6.1623622122486E+29
n5
1.7265693505317E+37
2 √n
5293.2012053199
3 √n
303.72387713048
4 √n
72.754389594855
5 √n
30.86649816167
1 , 11 , 23 , 59 , 253 , 649 , 1357 , 1877 , 14927 , 20647 , 43171 , 110743 , 474881 , 1218173 , 2547089 , 28017979
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28017978
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28017979 can be divided by 16 positive divisors.
The sum of these divisors (counting 28017979) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101010111000010100111011
3
Ternary
1221201110102221
4
Quaternary
1222320110323
5
Quinary
24133033404
6
Senary
2440304511
8
Octal
152702473
10
Decimal
28017979
12
Duodecimal
9472137
16
Hexadecimal
1ab853b
20
Vigesimal
8f24ij
36
Base36
goit7
md5
f7e6f102b76c65e4718f87a0b9456f72
sha1
5a40d57566c5435e5f2e29ecdf9e150d2f35ddc3
sha256
3884dbbbfb3647e3d668d4a4285642ebd492d1a7184df5fbbe44edff12589884
sha512
e94e8e8236722e0c2861c14e8f9511039dd383a50498b353f0e7bfd190e22663ced255a75bbc59bb11c74c6dbd55b0a6ae5ec950374515b08867fe0c39bd1661
ripemd-160
0da06e0fab8b44e0650f4171d3e477b43bec1d85
Diameter
56035958
Circumference
176042153.98967
Area
2.4661726867986E+15
Volume
9.2129566065463E+22
Surface area
9.8646907471945E+15
Circumference
176042153.98967
Perimeter
112071916
Area
785007147244441
Diagonal
39623405.892085
Surface area
4710042883466646
Volume
2.1994313766345E+22
Space diagonal
48528563.153398
Perimeter
84053937
Area
3.3991806583302E+14
Altitude
24264281.576699
Surface area
3.3991806583302E+14
Volume
2.5920547352878E+21
Height
13207801.964028