28388613 is an odd 8-digits composite number following 28388612
and preceding 28388614 . In scientific notation, it is written as 2.8388613 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 17149440 positive integers (up to 28388613) that are relatively prime to 28388613.
28388613 has 16 divisors, whose sum is 41426496
The reverse of 28388613 is 31688382
Previous prime number is 353
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty-eight million three hundred eighty-eight thousand six hundred thirteen
Scientific notation
2.8388613 × 10^7
Engineering notation
2.8388613 × 10^6
Prime Factorization
3 × 11 × 353 × 2437
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28388613
Product of the distinct prime numbers
The prime factorization of 28388613 is 3 × 11 × 353 × 2437.
Since it has a total of 4 prime factors.
2 , 9 , 12 , 94 , 750 , 846 , 9514 , 4182 , 2114 , 35570 , 673154 , 376060 , 5637359 , 4374774 , 52726284 , 2987480 , 450604007 , 597547499 , 2926389525 , 8242404359
n×2
56777226
n×3
85165839
n×4
113554452
n×5
141943065
n÷2
14194306.5
n÷3
9462871
n÷3
7097153.25
n÷5
5677722.6
n2
805913348063769
n3
2.2878762149717E+22
n4
6.4949632458735E+29
n5
1.8438299803633E+37
2 √n
5328.0965644403
3 √n
305.05727850168
4 √n
72.993811822923
5 √n
30.947732539806
1 , 3 , 11 , 33 , 353 , 1059 , 2437 , 3883 , 7311 , 11649 , 26807 , 80421 , 860261 , 2580783 , 9462871 , 28388613
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
-28388612
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 28388613 can be divided by 16 positive divisors.
The sum of these divisors (counting 28388613) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101100010010110100000101
3
Ternary
1222102021212010
4
Quaternary
1230102310011
5
Quinary
24231413423
6
Senary
2452244433
8
Octal
154226405
10
Decimal
28388613
12
Duodecimal
9610719
16
Hexadecimal
1b12d05
20
Vigesimal
8h8bad
36
Base36
gwgsl
md5
031d388055517f296d6a335720488f9b
sha1
1c2dbb2519e72c293a48f14bcc6bed3a8131e8b5
sha256
6ce1ea8471b76a60c145bbac5ae5575b0ad16345264be67497baa9a11b1ffcc2
sha512
f5e76e7b3d7da73aaf543ce840872109f561ed03e4a1119c9912419cb033273ff104389b13788cddf8d6c369a66a54eeb01fdd738939a57601e6b3fc5493da2b
ripemd-160
6435c35fb56b28650670dc0bc6c834fa0167ec20
Diameter
56777226
Circumference
178370916.09281
Area
2.5318514537071E+15
Volume
9.5834334790371E+22
Surface area
1.0127405814828E+16
Circumference
178370916.09281
Perimeter
113554452
Area
805913348063769
Diagonal
40147561.521561
Surface area
4835480088382614
Volume
2.2878762149717E+22
Space diagonal
49170520.07241
Perimeter
85165839
Area
3.489707163361E+14
Altitude
24585260.036205
Surface area
3.489707163361E+14
Volume
2.6962879768698E+21
Height
13382520.507187