12961286 is an even 8-digits composite number following 12961285
and preceding 12961287 . In scientific notation, it is written as 1.2961286 × 10^7.
The sum of its digits is 35. It has a total of 5 prime factors and 24 positive divisors.
There are 5784480 positive integers (up to 12961286) that are relatively prime to 12961286.
12961286 has 24 divisors, whose sum is 21749184
The reverse of 12961286 is 68216921
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
twelve million nine hundred sixty-one thousand two hundred eighty-six
Scientific notation
1.2961286 × 10^7
Engineering notation
1.2961286 × 10^6
Prime Factorization
2 × 31 × 13 × 13 × 1237
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
997022
Product of the distinct prime numbers
The prime factorization of 12961286 is 2 × 31 × 13 × 13 × 1237.
Since it has a total of 5 prime factors.
6 , 9 , 76 , 46 , 608 , 126 , 6935 , 5017 , 50353 , 41131 , 180385 , 470403 , 1826159 , 9731335 , 39358620 , 60272889 , 861405102 , 111834044 , 3489204945 , 3603586580
n×2
25922572
n×3
38883858
n×4
51845144
n×5
64806430
n÷2
6480643
n÷3
4320428.6666667
n÷3
3240321.5
n÷5
2592257.2
n2
167994934773796
n3
2.1774303961545E+21
n4
2.8222298109652E+28
n5
3.6579727737646E+35
2 √n
3600.1786066805
3 √n
234.89982753383
4 √n
60.001488370544
5 √n
26.456331199251
1 , 2 , 13 , 26 , 31 , 62 , 169 , 338 , 403 , 806 , 1237 , 2474 , 5239 , 10478 , 16081 , 32162 , 38347 , 76694 , 209053 , 418106 , 498511 , 997022 , 6480643 , 12961286
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
-12961285
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 12961286 can be divided by 24 positive divisors.
The sum of these divisors (counting 12961286) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
110001011100011000000110
3
Ternary
220101111112122
4
Quaternary
301130120012
5
Quinary
11304230121
6
Senary
1141445542
8
Octal
61343006
10
Decimal
12961286
12
Duodecimal
44108b2
16
Hexadecimal
c5c606
20
Vigesimal
410346
36
Base36
7pszq
md5
3559673041b0f3beef6237c68d4c2687
sha1
6d2089ddba200abf496cde1b137b8e3820085312
sha256
e987ea5792ebe9da643d48b8e7b57ea10fd56e2c591139a436e3cd5361fdd175
sha512
7ce19e0a620015aa7e37e469e0c8cfc9c8bb801e3af88638226b5d8c4458deca1299e8da51609eb0fb29a8ad56545b0d624a8258706ce220b9dd17f9a6e4d179
ripemd-160
cef79d281a2f54c5e4d4017dfc62b9be4d84b44c
Diameter
25922572
Circumference
81438161.757352
Area
5.2777165292565E+14
Volume
9.1207991150162E+21
Surface area
2.1110866117026E+15
Circumference
81438161.757352
Perimeter
51845144
Area
167994934773796
Diagonal
18330026.446997
Surface area
1007969608642776
Volume
2.1774303961545E+21
Space diagonal
22449605.883431
Perimeter
38883858
Area
72743940610609
Altitude
11224802.941716
Surface area
72743940610609
Volume
2.5661263311376E+20
Height
6110008.8156655