12891310 is an even 8-digits composite number following 12891309
and preceding 12891311 . In scientific notation, it is written as 1.2891310 × 10^7.
The sum of its digits is 25. It has a total of 5 prime factors and 24 positive divisors.
There are 4883760 positive integers (up to 12891310) that are relatively prime to 12891310.
12891310 has 24 divisors, whose sum is 24496776
The reverse of 12891310 is 01319821
Previous prime number is 19
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
twelve million eight hundred ninety-one thousand three hundred ten
Scientific notation
1.2891310 × 10^7
Engineering notation
1.2891310 × 10^6
Prime Factorization
2 × 5 × 19 × 19 × 3571
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
678490
Product of the distinct prime numbers
The prime factorization of 12891310 is 2 × 5 × 19 × 19 × 3571.
Since it has a total of 5 prime factors.
3 , 7 , 87 , 2 , 616 , 386 , 5665 , 5434 , 17185 , 66411 , 892621 , 543355 , 1216634 , 2818004 , 27761251 , 90133688 , 256813824 , 416743204 , 3402509948 , 353969614
n×2
25782620
n×3
38673930
n×4
51565240
n×5
64456550
n÷2
6445655
n÷3
4297103.3333333
n÷3
3222827.5
n÷5
2578262
n2
166185873516100
n3
2.1423536131168E+21
n4
2.7617744556309E+28
n5
3.5602890657619E+35
2 √n
3590.4470473745
3 √n
234.47633508385
4 √n
59.920339179401
5 √n
26.42770257083
1 , 2 , 5 , 10 , 19 , 38 , 95 , 190 , 361 , 722 , 1805 , 3571 , 3610 , 7142 , 17855 , 35710 , 67849 , 135698 , 339245 , 678490 , 1289131 , 2578262 , 6445655 , 12891310
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12891309
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12891310 can be divided by 24 positive divisors.
The sum of these divisors (counting 12891310) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
110001001011010010101110
3
Ternary
220020221112221
4
Quaternary
301023102232
5
Quinary
11300010220
6
Senary
1140145554
8
Octal
61132256
10
Decimal
12891310
12
Duodecimal
43982ba
16
Hexadecimal
c4b4ae
20
Vigesimal
40b85a
36
Base36
7oazy
md5
435e51daf42d158e66fd7098dbf90428
sha1
5d1f5171b54af59c721ea7a3d0bb84b4ef88b6ef
sha256
28f39fddd635c1378393949c6e4d480fbe1819048af84cebc2ab98c21b39cc65
sha512
4d5f86a453a7871ae7cd79a80e868b0cf4267897782796eb616dc660f522bdb08562b7e8f031e6f35b07ae137f96a690670410219e09b865dd699ba5ede929f1
ripemd-160
a77297d1c74c94685336f9114e1a5cbc75e5ab9a
Diameter
25782620
Circumference
80998489.582297
Area
5.2208831936858E+14
Volume
8.9738698298125E+21
Surface area
2.0883532774743E+15
Circumference
80998489.582297
Perimeter
51565240
Area
166185873516100
Diagonal
18231065.438756
Surface area
997115241096600
Volume
2.1423536131168E+21
Space diagonal
22328403.896121
Perimeter
38673930
Area
71960594107525
Altitude
11164201.94806
Surface area
71960594107525
Volume
2.5247879458907E+20
Height
6077021.8129186