12961881 is an odd 8-digits composite number following 12961880
and preceding 12961882 . In scientific notation, it is written as 1.2961881 × 10^7.
The sum of its digits is 36. It has a total of 2 prime factors and 4 positive divisors.
There are 8641248 positive integers (up to 12961881) that are relatively prime to 12961881.
12961881 has 4 divisors, whose sum is 14402100
The reverse of 12961881 is 18816921
Previous prime number is 9
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
twelve million nine hundred sixty-one thousand eight hundred eighty-one
Scientific notation
1.2961881 × 10^7
Engineering notation
1.2961881 × 10^6
Prime Factorization
9 × 1440209
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
12961881
Product of the distinct prime numbers
The prime factorization of 12961881 is 9 × 1440209.
Since it has a total of 2 prime factors.
1 , 9 , 34 , 67 , 59 , 842 , 61 , 7920 , 98762 , 77425 , 3126 , 364905 , 5586470 , 3848826 , 77350760 , 81648107 , 120032392 , 234851199 , 6602934087 , 2303816025
n×2
25923762
n×3
38885643
n×4
51847524
n×5
64809405
n÷2
6480940.5
n÷3
4320627
n÷3
3240470.25
n÷5
2592376.2
n2
168010359058161
n3
2.1777302808792E+21
n4
2.8227480750852E+28
n5
3.6588124642234E+35
2 √n
3600.2612405213
3 √n
234.90342191118
4 √n
60.002176964851
5 √n
26.456574095334
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12961880
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12961881 can be divided by 4 positive divisors.
The sum of these divisors (counting 12961881) is 1, the average is 0.25.
Base
System
Value
2
Binary
110001011100100001011001
3
Ternary
220101112100200
4
Quaternary
301130201121
5
Quinary
11304240011
6
Senary
1141452413
8
Octal
61344131
10
Decimal
12961881
12
Duodecimal
4411109
16
Hexadecimal
c5c859
20
Vigesimal
4104e1
36
Base36
7ptg9
md5
d88787d3785707a04d22e56b6dfc7364
sha1
dc9cb92803f280a51f2c8d06252df20d1988c792
sha256
e00157ca86938236bfb3273b4b33d707b231a16503b80e1683ab7d9a48ef8548
sha512
ff71a589f68b07e571374c0d7649136ae9e842b5b27b884c37c5d317be20c0e9d0fde9d738b7cfda2399365512cd1705c3884682a821fe7acef021b9105516df
ripemd-160
09bd533bd142e51550680d28654b0269037d49d7
Diameter
25923762
Circumference
81441900.25261
Area
5.278201097441E+14
Volume
9.1220552692133E+21
Surface area
2.1112804389764E+15
Circumference
81441900.25261
Perimeter
51847524
Area
168010359058161
Diagonal
18330867.904066
Surface area
1008062154348966
Volume
2.1777302808792E+21
Space diagonal
22450636.453662
Perimeter
38885643
Area
72750619521656
Altitude
11225318.226831
Surface area
72750619521656
Volume
2.5664797486749E+20
Height
6110289.3013554