12961845 is an odd 8-digits composite number following 12961844
and preceding 12961846 . In scientific notation, it is written as 1.2961845 × 10^7.
The sum of its digits is 36. It has a total of 5 prime factors and 24 positive divisors.
There are 6380928 positive integers (up to 12961845) that are relatively prime to 12961845.
12961845 has 24 divisors, whose sum is 24196536
The reverse of 12961845 is 54816921
Previous prime number is 13
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 forty-five
Scientific notation
1.2961845 × 10^7
Engineering notation
1.2961845 × 10^6
Prime Factorization
5 × 3 × 3 × 13 × 22157
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
4320615
Product of the distinct prime numbers
The prime factorization of 12961845 is 5 × 3 × 3 × 13 × 22157.
Since it has a total of 5 prime factors.
5 , 8 , 8 , 93 , 209 , 199 , 4682 , 1887 , 28048 , 88562 , 675006 , 938807 , 3152401 , 9395517 , 54224234 , 68479245 , 363222405 , 41259668 , 4860754227 , 6258511721
n×2
25923690
n×3
38885535
n×4
51847380
n×5
64809225
n÷2
6480922.5
n÷3
4320615
n÷3
3240461.25
n÷5
2592369
n2
168009425804025
n3
2.1777121358108E+21
n4
2.8227167158998E+28
n5
3.6587616550402E+35
2 √n
3600.2562408806
3 √n
234.90320443938
4 √n
60.002135302676
5 √n
26.456559399354
1 , 3 , 5 , 9 , 13 , 15 , 39 , 45 , 65 , 117 , 195 , 585 , 22157 , 66471 , 110785 , 199413 , 288041 , 332355 , 864123 , 997065 , 1440205 , 2592369 , 4320615 , 12961845
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
-12961844
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 12961845 can be divided by 24 positive divisors.
The sum of these divisors (counting 12961845) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
110001011100100000110101
3
Ternary
220101112022100
4
Quaternary
301130200311
5
Quinary
11304234340
6
Senary
1141452313
8
Octal
61344065
10
Decimal
12961845
12
Duodecimal
4411099
16
Hexadecimal
c5c835
20
Vigesimal
4104c5
36
Base36
7ptf9
md5
c319894220ec9797da77f3e6d007a2e2
sha1
9652326fbc72905e6c888b205934b86c41e879c2
sha256
4e50a462369ee0f0acba27bfaa80de9afe10b4ae8314f0c40ab57cc7623817a8
sha512
2916307353e294d70827f54a3e65878dc12c46f06d6ae981a993ac64da4726f1cf374a6b045494b3e9ce58c447056ff04891a48e2e48fc5029838c3119150588
ripemd-160
93a37b87b7823dd7be009f61146d62dd5271e448
Diameter
25923690
Circumference
81441674.057939
Area
5.2781717783976E+14
Volume
9.1219792633286E+21
Surface area
2.1112687113591E+15
Circumference
81441674.057939
Perimeter
51847380
Area
168009425804025
Diagonal
18330816.992378
Surface area
1008056554824150
Volume
2.1777121358108E+21
Space diagonal
22450574.099833
Perimeter
38885535
Area
72750215410761
Altitude
11225287.049916
Surface area
72750215410761
Volume
2.5664583645067E+20
Height
6110272.3307926