28408894 is an even 8-digits composite number following 28408893
and preceding 28408895 . In scientific notation, it is written as 2.8408894 × 10^7.
The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors.
There are 14204446 positive integers (up to 28408894) that are relatively prime to 28408894.
28408894 has 4 divisors, whose sum is 42613344
The reverse of 28408894 is 49880482
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 43
Digital Root 7
Name
twenty-eight million four hundred eight thousand eight hundred ninety-four
Scientific notation
2.8408894 × 10^7
Engineering notation
2.8408894 × 10^6
Prime Factorization
2 × 14204447
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28408894
Product of the distinct prime numbers
The prime factorization of 28408894 is 2 × 14204447.
Since it has a total of 2 prime factors.
2 , 5 , 85 , 21 , 904 , 941 , 5735 , 3838 , 23601 , 99956 , 699213 , 542946 , 8427155 , 6910994 , 36414850 , 7950551 , 386576126 , 549296556 , 1114527232 , 1296267549
n×2
56817788
n×3
85226682
n×4
113635576
n×5
142044470
n÷2
14204447
n÷3
9469631.3333333
n÷3
7102223.5
n÷5
5681778.8
n2
807065258303236
n3
2.2927831374219E+22
n4
6.5135433116007E+29
n5
1.8504256150367E+37
2 √n
5329.9994371482
3 √n
305.12990614218
4 √n
73.006845138988
5 √n
30.952153126901
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28408893
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28408894 can be divided by 4 positive divisors.
The sum of these divisors (counting 28408894) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101100010111110000111110
3
Ternary
1222110022200021
4
Quaternary
1230113300332
5
Quinary
24233041034
6
Senary
2452522354
8
Octal
154276076
10
Decimal
28408894
12
Duodecimal
96203ba
16
Hexadecimal
1b17c3e
20
Vigesimal
8hb24e
36
Base36
gwwfy
md5
31aa6e376c0121ebe870c579504b2ed3
sha1
6c223d3b236a34b5d06811bad514903ae3b1725d
sha256
3e2f5357190c04a6609b2b330d7f1ed5132132b709df4519ebd294d886e4a4e3
sha512
79108ee8dd08526a181f42cfb9d1b4006b94bf9806b5078a44d69f3129795019d57a7183e2317715d98fe9c7fa84e495a59d86fec17f478faa149bfd071ef2e0
ripemd-160
f7a91a44c8b8b0418a323522682d7d91f3dd1b08
Diameter
56817788
Circumference
178498345.37402
Area
2.535470286453E+15
Volume
9.6039875477324E+22
Surface area
1.0141881145812E+16
Circumference
178498345.37402
Perimeter
113635576
Area
807065258303236
Diagonal
40176243.18682
Surface area
4842391549819416
Volume
2.2927831374219E+22
Space diagonal
49205647.794839
Perimeter
85226682
Area
3.4946950810123E+14
Altitude
24602823.897419
Surface area
3.4946950810123E+14
Volume
2.7020708404354E+21
Height
13392081.062273