28388612 is an even 8-digits composite number following 28388611
and preceding 28388613 . In scientific notation, it is written as 2.8388612 × 10^7.
The sum of its digits is 38. It has a total of 4 prime factors and 12 positive divisors.
There are 12166536 positive integers (up to 28388612) that are relatively prime to 28388612.
28388612 has 12 divisors, whose sum is 56777280
The reverse of 28388612 is 21688382
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty-eight million three hundred eighty-eight thousand six hundred twelve
Scientific notation
2.8388612 × 10^7
Engineering notation
2.8388612 × 10^6
Prime Factorization
2 × 2 × 7 × 1013879
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
14194306
Product of the distinct prime numbers
The prime factorization of 28388612 is 2 × 2 × 7 × 1013879.
Since it has a total of 4 prime factors.
2 , 4 , 100 , 34 , 439 , 854 , 8213 , 5527 , 3753 , 35061 , 871883 , 640058 , 737682 , 8812704 , 81174795 , 78771488 , 965521738 , 244074362 , 3833013082 , 190367896
n×2
56777224
n×3
85165836
n×4
113554448
n×5
141943060
n÷2
14194306
n÷3
9462870.6666667
n÷3
7097153
n÷5
5677722.4
n2
805913291286544
n3
2.2878759731977E+22
n4
6.4949623307231E+29
n5
1.8438296556151E+37
2 √n
5328.0964705981
3 √n
305.05727491976
4 √n
72.993811180114
5 √n
30.947732321777
1 , 2 , 4 , 7 , 14 , 28 , 1013879 , 2027758 , 4055516 , 7097153 , 14194306 , 28388612
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28388611
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28388612 can be divided by 12 positive divisors.
The sum of these divisors (counting 28388612) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1101100010010110100000100
3
Ternary
1222102021212002
4
Quaternary
1230102310010
5
Quinary
24231413422
6
Senary
2452244432
8
Octal
154226404
10
Decimal
28388612
12
Duodecimal
9610718
16
Hexadecimal
1b12d04
20
Vigesimal
8h8bac
36
Base36
gwgsk
md5
481761d57248971a2656c5825b0fcb85
sha1
99097e5b1d6dac263f34b82d16baabada3877794
sha256
9523403f20053a791760cabe8ff71546ed8ab3f7197a88be2a71b5f0a7170ef1
sha512
4ac8be69254fcefce42d249412c4d4c29d2380e0a3dd424e5c2cb94293c479e3954277951b6cf935c52947382e45ab87f62c934bf8e49c433c8814c179a0fc17
ripemd-160
929dde58c9160b51caa8bd4d034fb52dc5eacd04
Diameter
56777224
Circumference
178370909.80962
Area
2.5318512753362E+15
Volume
9.5834324662965E+22
Surface area
1.0127405101345E+16
Circumference
178370909.80962
Perimeter
113554448
Area
805913291286544
Diagonal
40147560.107348
Surface area
4835479747719264
Volume
2.2878759731977E+22
Space diagonal
49170518.34036
Perimeter
85165836
Area
3.4897069175084E+14
Altitude
24585259.17018
Surface area
3.4897069175084E+14
Volume
2.6962876919364E+21
Height
13382520.035783