12961305 is an odd 8-digits composite number following 12961304
and preceding 12961306 . In scientific notation, it is written as 1.2961305 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 5664384 positive integers (up to 12961305) that are relatively prime to 12961305.
12961305 has 16 divisors, whose sum is 16496640
The reverse of 12961305 is 50316921
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twelve million nine hundred sixty-one thousand three hundred five
Scientific notation
1.2961305 × 10^7
Engineering notation
1.2961305 × 10^6
Prime Factorization
63 × 5 × 23 × 1789
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
12961305
Product of the distinct prime numbers
The prime factorization of 12961305 is 63 × 5 × 23 × 1789.
Since it has a total of 4 prime factors.
3 , 1 , 56 , 84 , 402 , 359 , 255 , 1506 , 80920 , 35395 , 150965 , 58555 , 8010839 , 2484041 , 31458916 , 24593668 , 507300693 , 594508779 , 8403631719 , 1374584490
n×2
25922610
n×3
38883915
n×4
51845220
n×5
64806525
n÷2
6480652.5
n÷3
4320435
n÷3
3240326.25
n÷5
2592261
n2
167995427303025
n3
2.1774399718798E+21
n4
2.8222463594726E+28
n5
3.6579995850264E+35
2 √n
3600.1812454375
3 √n
234.89994231396
4 √n
60.001510359636
5 √n
26.456338955735
1 , 5 , 23 , 63 , 115 , 315 , 1449 , 1789 , 7245 , 8945 , 41147 , 112707 , 205735 , 563535 , 2592261 , 12961305
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12961304
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12961305 can be divided by 16 positive divisors.
The sum of these divisors (counting 12961305) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110001011100011000011001
3
Ternary
220101111120100
4
Quaternary
301130120121
5
Quinary
11304230210
6
Senary
1141450013
8
Octal
61343031
10
Decimal
12961305
12
Duodecimal
4410909
16
Hexadecimal
c5c619
20
Vigesimal
410355
36
Base36
7pt09
md5
b579447701e291f1683b399debe769a3
sha1
6fc17d08bb568bfba7ea44b7ce32b65affe0dbf8
sha256
28fd2b4017cb5f0032a45cf115ddf2055c79529d2823c7bc4189ef1de8b1bb1c
sha512
b659ae0e667f1a98aa4a74942ccf8378585821e20a0608affde85dea94980dbd3d047f50e92620f158062f539ad08700f2892838d89e73c37ebaa734e0a3a03e
ripemd-160
82f00da49909c6c2b7f5fc4ad56a3183ddf824e9
Diameter
25922610
Circumference
81438281.137873
Area
5.2777320025186E+14
Volume
9.1208392257206E+21
Surface area
2.1110928010074E+15
Circumference
81438281.137873
Perimeter
51845220
Area
167995427303025
Diagonal
18330053.317054
Surface area
1007972563818150
Volume
2.1774399718798E+21
Space diagonal
22449638.792397
Perimeter
38883915
Area
72744153882021
Altitude
11224819.396198
Surface area
72744153882021
Volume
2.5661376162381E+20
Height
6110017.7723514