12961856 is an even 8-digits composite number following 12961855
and preceding 12961857 . In scientific notation, it is written as 1.2961856 × 10^7.
The sum of its digits is 38. It has a total of 7 prime factors and 14 positive divisors.
There are 6480896 positive integers (up to 12961856) that are relatively prime to 12961856.
12961856 has 14 divisors, whose sum is 25721310
The reverse of 12961856 is 65816921
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
twelve million nine hundred sixty-one thousand eight hundred fifty-six
Scientific notation
1.2961856 × 10^7
Engineering notation
1.2961856 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 202529
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
405058
Product of the distinct prime numbers
The prime factorization of 12961856 is 2 × 2 × 2 × 2 × 2 × 2 × 202529.
Since it has a total of 7 prime factors.
7 , 6 , 25 , 86 , 143 , 609 , 3958 , 8200 , 34263 , 99585 , 699996 , 84986 , 3909920 , 2310458 , 89837905 , 58438294 , 701567487 , 982403868 , 5319123455 , 2202163705
n×2
25923712
n×3
38885568
n×4
51847424
n×5
64809280
n÷2
6480928
n÷3
4320618.6666667
n÷3
3240464
n÷5
2592371.2
n2
168009710964736
n3
2.1777176801265E+21
n4
2.8227262978454E+28
n5
3.6587771800085E+35
2 √n
3600.2577685494
3 √n
234.90327088914
4 √n
60.002148032794
5 √n
26.456563889796
1 , 2 , 4 , 8 , 16 , 32 , 64 , 202529 , 405058 , 810116 , 1620232 , 3240464 , 6480928 , 12961856
14 divisors
τ
Total Divisors
14
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12961855
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.071428571428571
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
14
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12961856 can be divided by 14 positive divisors.
The sum of these divisors (counting 12961856) is 1, the average is 0.071428571428571.
Base
System
Value
2
Binary
110001011100100001000000
3
Ternary
220101112022202
4
Quaternary
301130201000
5
Quinary
11304234411
6
Senary
1141452332
8
Octal
61344100
10
Decimal
12961856
12
Duodecimal
44110a8
16
Hexadecimal
c5c840
20
Vigesimal
4104cg
36
Base36
7ptfk
md5
d39333705160696490c36e7f13c24949
sha1
59f28192ee4e27b3a1626fe1a69d5b607c941df6
sha256
a85f1a0b877b52b82bd9c24157acdff50550d942f72bb6ec0aa426ef7770f160
sha512
285096e48c27f9a94b15407be99a9f606a7fd75c1c618fd006ce7a4d26d818a290e95aee1adf922a3a80fb25d452db12a9723bbd93161fe4c83fec4a25bb0939
ripemd-160
be6e2abec6949234a5d9c53b83e9fcb997a1aeda
Diameter
25923712
Circumference
81441743.172978
Area
5.2781807369856E+14
Volume
9.1220024873041E+21
Surface area
2.1112722947942E+15
Circumference
81441743.172978
Perimeter
51847424
Area
168009710964736
Diagonal
18330832.548727
Surface area
1008058265788416
Volume
2.1777176801265E+21
Space diagonal
22450593.152391
Perimeter
38885568
Area
72750338888971
Altitude
11225296.576196
Surface area
72750338888971
Volume
2.5664648985455E+20
Height
6110277.5162424