13188891 is an odd 8-digits composite number following 13188890
and preceding 13188892 . In scientific notation, it is written as 1.3188891 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 8536320 positive integers (up to 13188891) that are relatively prime to 13188891.
13188891 has 16 divisors, whose sum is 18105120
The reverse of 13188891 is 19888131
Previous prime number is 109
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
thirteen million one hundred eighty-eight thousand eight hundred ninety-one
Scientific notation
1.3188891 × 10^7
Engineering notation
1.3188891 × 10^6
Prime Factorization
3 × 53 × 109 × 761
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
13188891
Product of the distinct prime numbers
The prime factorization of 13188891 is 3 × 53 × 109 × 761.
Since it has a total of 4 prime factors.
6 , 2 , 63 , 94 , 542 , 405 , 6593 , 1467 , 38133 , 19003 , 541603 , 122400 , 4977469 , 7409675 , 35457968 , 42468372 , 320482031 , 677645069 , 3741764011 , 2813771580
n×2
26377782
n×3
39566673
n×4
52755564
n×5
65944455
n÷2
6594445.5
n÷3
4396297
n÷3
3297222.75
n÷5
2637778.2
n2
173946845809881
n3
2.2941659891803E+21
n4
3.0257505167207E+28
n5
3.9906293758222E+35
2 √n
3631.6512773117
3 √n
236.26683287582
4 √n
60.263183431609
5 √n
26.548601934368
1 , 3 , 53 , 109 , 159 , 327 , 761 , 2283 , 5777 , 17331 , 40333 , 82949 , 120999 , 248847 , 4396297 , 13188891
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
-13188890
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 13188891 can be divided by 16 positive divisors.
The sum of these divisors (counting 13188891) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110010010011111100011011
3
Ternary
220211001202110
4
Quaternary
302103330123
5
Quinary
11334021031
6
Senary
1150403403
8
Octal
62237433
10
Decimal
13188891
12
Duodecimal
4500563
16
Hexadecimal
c93f1b
20
Vigesimal
428c4b
36
Base36
7uom3
md5
0b7642a94de436ca1c36d7987da90d0f
sha1
74b44854522236cdfddd5159e58b891676c17e0b
sha256
ee64e7d9c7f055bd385956835599299141699cbc52ce0abdd37644dad309c390
sha512
60abf1b02b35a678d645306dc8fa6dd947ad7b1e26a8f93a3c324bd22865223ee62db94098d8c25b9629d7b619ab764af8c4c6876c2c9af57765e8f0a4c21ecc
ripemd-160
ad23bfdb169da5d3df1854cd24498f79b34db5d2
Diameter
26377782
Circumference
82868246.149193
Area
5.4647013291144E+14
Volume
9.6097800236326E+21
Surface area
2.1858805316458E+15
Circumference
82868246.149193
Perimeter
52755564
Area
173946845809881
Diagonal
18651908.52486
Surface area
1043681074859286
Volume
2.2941659891803E+21
Space diagonal
22843829.307488
Perimeter
39566673
Area
75321193689766
Altitude
11421914.653744
Surface area
75321193689766
Volume
2.7037005468616E+20
Height
6217302.8416202