28269991 is an odd 8-digits composite number following 28269990
and preceding 28269992 . In scientific notation, it is written as 2.8269991 × 10^7.
The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors.
There are 28135800 positive integers (up to 28269991) that are relatively prime to 28269991.
28269991 has 4 divisors, whose sum is 28404184
The reverse of 28269991 is 19996282
Previous prime number is 211
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 46
Digital Root 1
Name
twenty-eight million two hundred sixty-nine thousand nine hundred ninety-one
Scientific notation
2.8269991 × 10^7
Engineering notation
2.8269991 × 10^6
Prime Factorization
211 × 133981
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28269991
Product of the distinct prime numbers
The prime factorization of 28269991 is 211 × 133981.
Since it has a total of 2 prime factors.
6 , 3 , 84 , 42 , 864 , 382 , 2644 , 6608 , 86589 , 49555 , 963435 , 727602 , 8351874 , 75762 , 96274358 , 16215139 , 120078980 , 683881200 , 4405582260 , 25348621
n×2
56539982
n×3
84809973
n×4
113079964
n×5
141349955
n÷2
14134995.5
n÷3
9423330.3333333
n÷3
7067497.75
n÷5
5653998.2
n2
799192391140081
n3
2.2593161704799E+22
n4
6.387084780562E+29
n5
1.8056282926272E+37
2 √n
5316.9531688741
3 √n
304.63179072287
4 √n
72.917440772932
5 √n
30.921826144073
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
-28269990
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 28269991 can be divided by 4 positive divisors.
The sum of these divisors (counting 28269991) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101011110101110110100111
3
Ternary
1222012021010201
4
Quaternary
1223311312213
5
Quinary
24214114431
6
Senary
2445531331
8
Octal
153656647
10
Decimal
28269991
12
Duodecimal
9573b47
16
Hexadecimal
1af5da7
20
Vigesimal
8gdejb
36
Base36
gtx9j
md5
f3e006bbd3999cfa5595f09ffc45fcb6
sha1
93d96b00a282c9e20838fe763e2f32099a215007
sha256
032ceb5559b1325a7d34585925d6a9d3febe2017aa8495e5627a5beac38ff589
sha512
06c2388acf4e02df49ae6d29d067c0e26f0e94c21ef4a54a73fe7666e9b53ca5c61e59f3d7d4017fad93a306f418cca1ba7d33ae6fc5eb2787c6740ff4ef8b12
ripemd-160
0cd8776a2b348ff5024cbcf25f0aa2eb92c6ba97
Diameter
56539982
Circumference
177625592.0853
Area
2.5107369448105E+15
Volume
9.4638014444215E+22
Surface area
1.0042947779242E+16
Circumference
177625592.0853
Perimeter
113079964
Area
799192391140081
Diagonal
39979804.680365
Surface area
4795154346840486
Volume
2.2593161704799E+22
Space diagonal
48965060.741515
Perimeter
84809973
Area
3.4606045661927E+14
Altitude
24482530.370757
Surface area
3.4606045661927E+14
Volume
2.6626296416512E+21
Height
13326601.560122