28001449 is an odd 8-digits composite number following 28001448
and preceding 28001450 . In scientific notation, it is written as 2.8001449 × 10^7.
The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors.
There are 23964336 positive integers (up to 28001449) that are relatively prime to 28001449.
28001449 has 8 divisors, whose sum is 32050880
The reverse of 28001449 is 94410082
Previous prime number is 739
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty-eight million one thousand four hundred forty-nine
Scientific notation
2.8001449 × 10^7
Engineering notation
2.8001449 × 10^6
Prime Factorization
7 × 739 × 5413
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28001449
Product of the distinct prime numbers
The prime factorization of 28001449 is 7 × 739 × 5413.
Since it has a total of 3 prime factors.
10 , 6 , 68 , 40 , 168 , 379 , 9404 , 559 , 62524 , 30974 , 909183 , 916013 , 3565783 , 936013 , 95843815 , 72121526 , 511476536 , 318110429 , 6385779302 , 7023065950
n×2
56002898
n×3
84004347
n×4
112005796
n×5
140007245
n÷2
14000724.5
n÷3
9333816.3333333
n÷3
7000362.25
n÷5
5600289.8
n2
784081146099601
n3
2.195540822437E+22
n4
6.1478324366886E+29
n5
1.7214821643648E+37
2 √n
5291.6395379882
3 √n
303.66413521319
4 √n
72.743656341898
5 √n
30.862855188952
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
-28001448
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 28001449 can be divided by 8 positive divisors.
The sum of these divisors (counting 28001449) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101010110100010010101001
3
Ternary
1221200121202201
4
Quaternary
1222310102221
5
Quinary
24132021244
6
Senary
2440100201
8
Octal
152642251
10
Decimal
28001449
12
Duodecimal
9464661
16
Hexadecimal
1ab44a9
20
Vigesimal
8f03c9
36
Base36
go621
md5
948038b50244bf38b8a3e6f1c029b7b1
sha1
422bd8983079970018d53ff467d22038e6825a79
sha256
28b3843127439baf9b6222ea1bcb03935ff1925e76eeaae88382d56c7738dd46
sha512
12879e916d8db94b5063eaf4d98603240034b56230591d72b75cddaa6d6d98b07c29b26f3c8dc4ee0e5d893f34b234036318bd4135609ac350e2c4303243ae77
ripemd-160
1267ec9cd408296bc84b5c29ef50aa180a13b05e
Diameter
56002898
Circumference
175938292.93654
Area
2.4632635684048E+15
Volume
9.1966598912326E+22
Surface area
9.8530542736191E+15
Circumference
175938292.93654
Perimeter
112005796
Area
784081146099601
Diagonal
39600028.941899
Surface area
4704486876597606
Volume
2.195540822437E+22
Space diagonal
48499932.353549
Perimeter
84004347
Area
3.3951709557534E+14
Altitude
24249966.176774
Surface area
3.3951709557534E+14
Volume
2.5874696731951E+21
Height
13200009.6473