28339945 is an odd 8-digits composite number following 28339944
and preceding 28339946 . In scientific notation, it is written as 2.8339945 × 10^7.
The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors.
There are 22671952 positive integers (up to 28339945) that are relatively prime to 28339945.
28339945 has 4 divisors, whose sum is 34007940
The reverse of 28339945 is 54993382
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7
Name
twenty-eight million three hundred thirty-nine thousand nine hundred forty-five
Scientific notation
2.8339945 × 10^7
Engineering notation
2.8339945 × 10^6
Prime Factorization
5 × 5667989
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28339945
Product of the distinct prime numbers
The prime factorization of 28339945 is 5 × 5667989.
Since it has a total of 2 prime factors.
9 , 9 , 71 , 96 , 370 , 500 , 2477 , 478 , 78714 , 81217 , 529811 , 813609 , 3358452 , 8474453 , 78363457 , 32510074 , 458893510 , 308190325 , 4590420894 , 1427600564
n×2
56679890
n×3
85019835
n×4
113359780
n×5
141699725
n÷2
14169972.5
n÷3
9446648.3333333
n÷3
7084986.25
n÷5
5667989
n2
803152482603025
n3
2.2761297183583E+22
n4
6.450539103114E+29
n5
1.828079234026E+37
2 √n
5323.5274959373
3 √n
304.88285387393
4 √n
72.962507467447
5 √n
30.937114210918
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
-28339944
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 28339945 can be divided by 4 positive divisors.
The sum of these divisors (counting 28339945) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101100000110111011101001
3
Ternary
1222022211002121
4
Quaternary
1230012323221
5
Quinary
24223334240
6
Senary
2451231241
8
Octal
154067351
10
Decimal
28339945
12
Duodecimal
95a8521
16
Hexadecimal
1b06ee9
20
Vigesimal
8h29h5
36
Base36
gvf8p
md5
68f3f3b77803d77751bd5d0585f5c4aa
sha1
96dd2ab35e86082f306c15a92fe856c9d9e5d66b
sha256
89020b38b5b9416e31901df06ca74d9da0e15bb8e583719839126bb78b171a02
sha512
adbb7d11c589b77df9aa2f08ded5c351aea6df4db44ad240cafc7ceb5d779bc9683bc5ca7290fd098f2c79f3fde21b4af75a7c2bbd6986d2db487424730711a1
ripemd-160
40f2aebca61ce01800acccc8f434ca93c2697d4f
Diameter
56679890
Circumference
178065126.03028
Area
2.5231779390581E+15
Volume
9.5342298690825E+22
Surface area
1.0092711756232E+16
Circumference
178065126.03028
Perimeter
113359780
Area
803152482603025
Diagonal
40078734.575908
Surface area
4818914895618150
Volume
2.2761297183583E+22
Space diagonal
49086224.623708
Perimeter
85019835
Area
3.4777522652338E+14
Altitude
24543112.311854
Surface area
3.4777522652338E+14
Volume
2.6824445978523E+21
Height
13359578.191969