13187890 is an even 8-digits composite number following 13187889
and preceding 13187891 . In scientific notation, it is written as 1.3187890 × 10^7.
The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors.
There are 5275152 positive integers (up to 13187890) that are relatively prime to 13187890.
13187890 has 8 divisors, whose sum is 23738220
The reverse of 13187890 is 09878131
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
thirteen million one hundred eighty-seven thousand eight hundred ninety
Scientific notation
1.3187890 × 10^7
Engineering notation
1.3187890 × 10^6
Prime Factorization
2 × 5 × 1318789
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
13187890
Product of the distinct prime numbers
The prime factorization of 13187890 is 2 × 5 × 1318789.
Since it has a total of 3 prime factors.
9 , 7 , 34 , 46 , 610 , 667 , 9133 , 7298 , 21157 , 89292 , 41255 , 752756 , 8998434 , 6613269 , 26554250 , 20969342 , 927828935 , 944286176 , 8935935045 , 8092072237
n×2
26375780
n×3
39563670
n×4
52751560
n×5
65939450
n÷2
6593945
n÷3
4395963.3333333
n÷3
3296972.5
n÷5
2637578
n2
173920442652100
n3
2.2936436664472E+21
n4
3.0248320372302E+28
n5
3.9891152175468E+35
2 √n
3631.513458601
3 √n
236.26085539363
4 √n
60.262039947225
5 √n
26.548198929181
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-13187889
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 13187890 can be divided by 8 positive divisors.
The sum of these divisors (counting 13187890) is 1, the average is 0.125.
Base
System
Value
2
Binary
110010010011101100110010
3
Ternary
220211000101101
4
Quaternary
302103230302
5
Quinary
11334003030
6
Senary
1150355014
8
Octal
62235462
10
Decimal
13187890
12
Duodecimal
44bba6a
16
Hexadecimal
c93b32
20
Vigesimal
4289ea
36
Base36
7unua
md5
0a3b36a70fc69e3307d784b4c41b7672
sha1
ad5a16f6fb55a99a852df5d8c13e15816fc833b6
sha256
b907b563e18657646e521864e28b68bcaff968222a4574fccb42bcbb3633db56
sha512
e8eeb211de664b4b6592fc6265d9886f0084888488fe2f3d5edfd6a1c951d463dca271466ec161bf252607caeba3dead4733498eedb25b22d24ab668669f2727
ripemd-160
389cd468bbfa8f98c55b794ac996a8aaf0516e1d
Diameter
26375780
Circumference
82861956.680701
Area
5.4638718494492E+14
Volume
9.6075921232844E+21
Surface area
2.1855487397797E+15
Circumference
82861956.680701
Perimeter
52751560
Area
173920442652100
Diagonal
18650492.897085
Surface area
1043522655912600
Volume
2.2936436664472E+21
Space diagonal
22842095.52463
Perimeter
39563670
Area
75309760787077
Altitude
11421047.762315
Surface area
75309760787077
Volume
2.7030849836173E+20
Height
6216830.9656948