28448979 is an odd 8-digits composite number following 28448978
and preceding 28448980 . In scientific notation, it is written as 2.8448979 × 10^7.
The sum of its digits is 51. It has a total of 4 prime factors and 16 positive divisors.
There are 16941600 positive integers (up to 28448979) that are relatively prime to 28448979.
28448979 has 16 divisors, whose sum is 42169344
The reverse of 28448979 is 97984482
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 51
Digital Root 6
Name
twenty-eight million four hundred forty-eight thousand nine hundred seventy-nine
Scientific notation
2.8448979 × 10^7
Engineering notation
2.8448979 × 10^6
Prime Factorization
3 × 13 × 31 × 23531
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28448979
Product of the distinct prime numbers
The prime factorization of 28448979 is 3 × 13 × 31 × 23531.
Since it has a total of 4 prime factors.
8 , 4 , 94 , 89 , 683 , 573 , 3314 , 7595 , 83549 , 85964 , 519173 , 651589 , 1878524 , 1235073 , 34459414 , 58404420 , 139956465 , 361785924 , 8246322452 , 7216047051
n×2
56897958
n×3
85346937
n×4
113795916
n×5
142244895
n÷2
14224489.5
n÷3
9482993
n÷3
7112244.75
n÷5
5689795.8
n2
809344406142441
n3
2.3025022014114E+22
n4
6.5503836775406E+29
n5
1.863517276843E+37
2 √n
5333.7584309753
3 √n
305.27335164293
4 √n
73.032584720625
5 √n
30.960882909826
1 , 3 , 13 , 31 , 39 , 93 , 403 , 1209 , 23531 , 70593 , 305903 , 729461 , 917709 , 2188383 , 9482993 , 28448979
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
-28448978
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 28448979 can be divided by 16 positive divisors.
The sum of these divisors (counting 28448979) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101100100001100011010011
3
Ternary
1222112100122220
4
Quaternary
1230201203103
5
Quinary
24240331404
6
Senary
2453432123
8
Octal
154414323
10
Decimal
28448979
12
Duodecimal
963b643
16
Hexadecimal
1b218d3
20
Vigesimal
8hg28j
36
Base36
gxrdf
md5
3be520bf59bcd0d0e8a4afcde3668b27
sha1
9ef710f1904857f5cdb1844f3d9c65e86f0427c6
sha256
77bef097fb413c179f22ee44b7a6a02c1c24de53fe0d75ac229bc84c29722b0d
sha512
93be255ac8df072b86dfb278654472de39abfc5aa439e47470a097d78bb4cf98ae14825762fce82d2d0848f340960e7376aa35472fa42a264e3e10886388dadf
ripemd-160
6a45e3e4e99bc47cc112e465e59bfdf00b50ac15
Diameter
56897958
Circumference
178750206.85706
Area
2.5426304405611E+15
Volume
9.6446986677711E+22
Surface area
1.0170521762244E+16
Circumference
178750206.85706
Perimeter
113795916
Area
809344406142441
Diagonal
40232931.937467
Surface area
4856066436854646
Volume
2.3025022014114E+22
Space diagonal
49275077.05146
Perimeter
85346937
Area
3.5045640806509E+14
Altitude
24637538.52573
Surface area
3.5045640806509E+14
Volume
2.7135248671916E+21
Height
13410977.312489