28394993 is an odd 8-digits composite number following 28394992
and preceding 28394994 . In scientific notation, it is written as 2.8394993 × 10^7.
The sum of its digits is 47. It has a total of 3 prime factors and 8 positive divisors.
There are 25717680 positive integers (up to 28394993) that are relatively prime to 28394993.
28394993 has 8 divisors, whose sum is 31091520
The reverse of 28394993 is 39949382
Previous prime number is 277
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 47
Digital Root 2
Name
twenty-eight million three hundred ninety-four thousand nine hundred ninety-three
Scientific notation
2.8394993 × 10^7
Engineering notation
2.8394993 × 10^6
Prime Factorization
11 × 277 × 9319
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28394993
Product of the distinct prime numbers
The prime factorization of 28394993 is 11 × 277 × 9319.
Since it has a total of 3 prime factors.
3 , 10 , 70 , 37 , 97 , 510 , 2532 , 291 , 21478 , 34463 , 500455 , 506959 , 2341302 , 2520872 , 25293563 , 57504472 , 627209592 , 212829733 , 3618704764 , 604599724
n×2
56789986
n×3
85184979
n×4
113579972
n×5
141974965
n÷2
14197496.5
n÷3
9464997.6666667
n÷3
7098748.25
n÷5
5678998.6
n2
806275627470049
n3
2.2894190798083E+22
n4
6.5008038745222E+29
n5
1.8459028051143E+37
2 √n
5328.6952436783
3 √n
305.08012944377
4 √n
72.99791259809
5 √n
30.949123441056
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28394992
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28394993 can be divided by 8 positive divisors.
The sum of these divisors (counting 28394993) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101100010100010111110001
3
Ternary
1222102121121102
4
Quaternary
1230110113301
5
Quinary
24232114433
6
Senary
2452334145
8
Octal
154242761
10
Decimal
28394993
12
Duodecimal
9614355
16
Hexadecimal
1b145f1
20
Vigesimal
8h979d
36
Base36
gwlpt
md5
01a5e0109d098b8754c5cd1f998cd4c7
sha1
a7b744491b9bd0e83f08653821eee05b18597934
sha256
65fd043e6e2ba36c61f0add10892c7578539dd0358b8c19ef6ed05ca20e3c198
sha512
dc89dd0fa4067b2e85ee46a7d8daf247d487f014359dac96d004f3aec8f9ca585a7942bb63966341d536d7de96cdaa36e7d03d8cdea00a7f6661ba7bfd485c80
ripemd-160
8ed2de05cff86184cb3025a640758887c980e85f
Diameter
56789986
Circumference
178411002.81507
Area
2.5329895880284E+15
Volume
9.5898962161519E+22
Surface area
1.0131958352114E+16
Circumference
178411002.81507
Perimeter
113579972
Area
806275627470049
Diagonal
40156584.204089
Surface area
4837653764820294
Volume
2.2894190798083E+22
Space diagonal
49181570.556563
Perimeter
85184979
Area
3.4912758792065E+14
Altitude
24590785.278281
Surface area
3.4912758792065E+14
Volume
2.6981062605171E+21
Height
13385528.06803