28165969 is an odd 8-digits composite number following 28165968
and preceding 28165970 . In scientific notation, it is written as 2.8165969 × 10^7.
The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors.
There are 25999344 positive integers (up to 28165969) that are relatively prime to 28165969.
28165969 has 4 divisors, whose sum is 30332596
The reverse of 28165969 is 96956182
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 46
Digital Root 1
Name
twenty-eight million one hundred sixty-five thousand nine hundred sixty-nine
Scientific notation
2.8165969 × 10^7
Engineering notation
2.8165969 × 10^6
Prime Factorization
13 × 2166613
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28165969
Product of the distinct prime numbers
The prime factorization of 28165969 is 13 × 2166613.
Since it has a total of 2 prime factors.
2 , 8 , 40 , 87 , 457 , 808 , 8437 , 1556 , 4577 , 81386 , 928576 , 327195 , 8481473 , 2168116 , 49284376 , 66534677 , 311116000 , 553875508 , 2763399877 , 9710789720
n×2
56331938
n×3
84497907
n×4
112663876
n×5
140829845
n÷2
14082984.5
n÷3
9388656.3333333
n÷3
7041492.25
n÷5
5633193.8
n2
793321809708961
n3
2.2344677499286E+22
n4
6.293594937599E+29
n5
1.7726519991097E+37
2 √n
5307.1620476484
3 √n
304.257691387
4 √n
72.850271431536
5 √n
30.899036643266
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
-28165968
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 28165969 can be divided by 4 positive divisors.
The sum of these divisors (counting 28165969) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101011011100011101010001
3
Ternary
1221222222110001
4
Quaternary
1223130131101
5
Quinary
24202302334
6
Senary
2443410001
8
Octal
153343521
10
Decimal
28165969
12
Duodecimal
9523901
16
Hexadecimal
1adc751
20
Vigesimal
8g0ei9
36
Base36
grp01
md5
2f36ec956da06f3e63f2e262a2973fe7
sha1
57a64cb7a6744e4fbcd0e2cc8309e3fc7c1b8ec9
sha256
fd9be95ed3c215b246fa2d2e92271a4c5597f53d41ddabf4604bc1aa8c698422
sha512
6cbd84f395006075b7775f7169fe6a11f8f0c35c070ad83fa28dacd87f4adbd3c0264fc6e8e8f84b2c8396e191c7036870cfcd2f4eaa64bbae52a67da75534a3
ripemd-160
7bc8e4a2597f1f06c71e5be2e799d45f95f30cbd
Diameter
56331938
Circumference
176972002.58328
Area
2.4922939693142E+15
Volume
9.3597166238122E+22
Surface area
9.9691758772569E+15
Circumference
176972002.58328
Perimeter
112663876
Area
793321809708961
Diagonal
39832695.35718
Surface area
4759930858253766
Volume
2.2344677499286E+22
Space diagonal
48784889.35241
Perimeter
84497907
Area
3.435184202921E+14
Altitude
24392444.676205
Surface area
3.435184202921E+14
Volume
2.6333454971953E+21
Height
13277565.11906