12961605 is an odd 8-digits composite number following 12961604
and preceding 12961606 . In scientific notation, it is written as 1.2961605 × 10^7.
The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors.
There are 6912848 positive integers (up to 12961605) that are relatively prime to 12961605.
12961605 has 4 divisors, whose sum is 13825728
The reverse of 12961605 is 50616921
Previous prime number is 15
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twelve million nine hundred sixty-one thousand six hundred five
Scientific notation
1.2961605 × 10^7
Engineering notation
1.2961605 × 10^6
Prime Factorization
15 × 864107
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
12961605
Product of the distinct prime numbers
The prime factorization of 12961605 is 15 × 864107.
Since it has a total of 2 prime factors.
5 , 4 , 92 , 26 , 688 , 37 , 2456 , 159 , 76370 , 59543 , 511869 , 1919 , 8763308 , 7180132 , 5704622 , 25086317 , 583044882 , 383653316 , 7084010959 , 6890168932
n×2
25923210
n×3
38884815
n×4
51846420
n×5
64808025
n÷2
6480802.5
n÷3
4320535
n÷3
3240401.25
n÷5
2592321
n2
168003204176025
n3
2.177591171264E+21
n4
2.8225076613411E+28
n5
3.6584229415777E+35
2 √n
3600.2229097654
3 √n
234.90175461704
4 √n
60.001857552625
5 √n
26.456461425319
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
-12961604
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 12961605 can be divided by 4 positive divisors.
The sum of these divisors (counting 12961605) is 1, the average is 0.25.
Base
System
Value
2
Binary
110001011100011101000101
3
Ternary
220101111222110
4
Quaternary
301130131011
5
Quinary
11304232410
6
Senary
1141451233
8
Octal
61343505
10
Decimal
12961605
12
Duodecimal
4410b19
16
Hexadecimal
c5c745
20
Vigesimal
410405
36
Base36
7pt8l
md5
92b75a5d2561ced2b4ca7f1035f40412
sha1
ec4789862f22d2692f922128d9d00e6ced6b8826
sha256
18294be0dd4a8e038113a63cd22f7007f96a18506e4cec5a7e6a9b0d8819953b
sha512
d547e3e22f71426d2890dc79e86da283c98dddcb2ffc05536e17990fb81bab2f0f68a11099e085ac8b234e7e386724189947b0ba8805f1436723b9174ae2c9dc
ripemd-160
1a5cbd080e96ad83b1edbd67a6416f1e277fe471
Diameter
25923210
Circumference
81440166.093465
Area
5.2779763201895E+14
Volume
9.1214725682199E+21
Surface area
2.1111905280758E+15
Circumference
81440166.093465
Perimeter
51846420
Area
168003204176025
Diagonal
18330477.581123
Surface area
1008019225056150
Volume
2.177591171264E+21
Space diagonal
22450158.407639
Perimeter
38884815
Area
72747521366811
Altitude
11225079.203819
Surface area
72747521366811
Volume
2.5663158064212E+20
Height
6110159.1937076