28442938 is an even 8-digits composite number following 28442937
and preceding 28442939 . In scientific notation, it is written as 2.8442938 × 10^7.
The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors.
There are 13222336 positive integers (up to 28442938) that are relatively prime to 28442938.
28442938 has 16 divisors, whose sum is 45722880
The reverse of 28442938 is 83924482
Previous prime number is 83
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty-eight million four hundred forty-two thousand nine hundred thirty-eight
Scientific notation
2.8442938 × 10^7
Engineering notation
2.8442938 × 10^6
Prime Factorization
2 × 17 × 83 × 10079
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28442938
Product of the distinct prime numbers
The prime factorization of 28442938 is 2 × 17 × 83 × 10079.
Since it has a total of 4 prime factors.
3 , 2 , 12 , 84 , 999 , 221 , 7100 , 8690 , 24990 , 79237 , 144859 , 13129 , 6818192 , 4530785 , 87948709 , 86148234 , 223580901 , 688569336 , 9542465765 , 8474533786
n×2
56885876
n×3
85328814
n×4
113771752
n×5
142214690
n÷2
14221469
n÷3
9480979.3333333
n÷3
7110734.5
n÷5
5688587.6
n2
809000722071844
n3
2.3010357379845E+22
n4
6.5448216831277E+29
n5
1.8615395735426E+37
2 √n
5333.1921022967
3 √n
305.25174235113
4 √n
73.028707384813
5 √n
30.959567920054
1 , 2 , 17 , 34 , 83 , 166 , 1411 , 2822 , 10079 , 20158 , 171343 , 342686 , 836557 , 1673114 , 14221469 , 28442938
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
-28442937
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 28442938 can be divided by 16 positive divisors.
The sum of these divisors (counting 28442938) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101100100000000100111010
3
Ternary
1222112001101011
4
Quaternary
1230200010322
5
Quinary
24240133223
6
Senary
2453344134
8
Octal
154400472
10
Decimal
28442938
12
Duodecimal
963804a
16
Hexadecimal
1b2013a
20
Vigesimal
8hf76i
36
Base36
gxmpm
md5
3cbfa67785819a09b4948336bbe6f926
sha1
2295dc5e01673127c8b048892564a77dbfd83baf
sha256
e73f4cca8247ec0abb938d0dcb71211ff26ccb65fdf22fed76cfaa08b8ed3011
sha512
1a16ae36d7c7372e8d207e1d3c93df0492b573af57a62831a366ff5c48232274eaa2a3357dfe4cfbc0bcd857b364e5aeee5635c1ca2d0ebf193e7976b53c97ce
ripemd-160
113f7c37a7d37b6c8f8b4765aba673bd4f9c39de
Diameter
56885876
Circumference
178712250.13462
Area
2.5415507252097E+15
Volume
9.6385559601328E+22
Surface area
1.0166202900839E+16
Circumference
178712250.13462
Perimeter
113771752
Area
809000722071844
Diagonal
40224388.673337
Surface area
4854004332431064
Volume
2.3010357379845E+22
Space diagonal
49264613.732532
Perimeter
85328814
Area
3.5030758849709E+14
Altitude
24632306.866266
Surface area
3.5030758849709E+14
Volume
2.711796623469E+21
Height
13408129.557779