12961285 is an odd 8-digits composite number following 12961284
and preceding 12961286 . In scientific notation, it is written as 1.2961285 × 10^7.
The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors.
There are 10088640 positive integers (up to 12961285) that are relatively prime to 12961285.
12961285 has 8 divisors, whose sum is 15974136
The reverse of 12961285 is 58216921
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twelve million nine hundred sixty-one thousand two hundred eighty-five
Scientific notation
1.2961285 × 10^7
Engineering notation
1.2961285 × 10^6
Prime Factorization
37 × 5 × 70061
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
12961285
Product of the distinct prime numbers
The prime factorization of 12961285 is 37 × 5 × 70061.
Since it has a total of 3 prime factors.
6 , 9 , 95 , 43 , 890 , 987 , 8132 , 5727 , 12285 , 67071 , 982756 , 605603 , 3236293 , 8964870 , 82061433 , 59389449 , 616177821 , 442191115 , 9556763054 , 7787041036
n×2
25922570
n×3
38883855
n×4
51845140
n×5
64806425
n÷2
6480642.5
n÷3
4320428.3333333
n÷3
3240321.25
n÷5
2592257
n2
167994908851225
n3
2.1774298921697E+21
n4
2.8222289399931E+28
n5
3.6579713626499E+35
2 √n
3600.1784677985
3 √n
234.89982149276
4 √n
60.001487213223
5 √n
26.456330791015
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12961284
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12961285 can be divided by 8 positive divisors.
The sum of these divisors (counting 12961285) is 1, the average is 0.125.
Base
System
Value
2
Binary
110001011100011000000101
3
Ternary
220101111112121
4
Quaternary
301130120011
5
Quinary
11304230120
6
Senary
1141445541
8
Octal
61343005
10
Decimal
12961285
12
Duodecimal
44108b1
16
Hexadecimal
c5c605
20
Vigesimal
410345
36
Base36
7pszp
md5
4ffb56c819e9056627c1427585476292
sha1
7bf96073f31b62872e618f61251215ebffa3d774
sha256
5d82dfee4a03f8b66f1ffde8bc212d0571dfcd424944bcacb59fe2e6942e8feb
sha512
55eeb9a30be11e357737d6e86143c8c31dc4f130ca493b467187630f13aa7c41c672ca7bda68e570dabedd0e23f42f32e27f8ec02fa0748d5bd215487d87e53f
ripemd-160
8201e86849018d49a7e16231f0bb1cfe55781026
Diameter
25922570
Circumference
81438155.474167
Area
5.277715714875E+14
Volume
9.1207970039297E+21
Surface area
2.11108628595E+15
Circumference
81438155.474167
Perimeter
51845140
Area
167994908851225
Diagonal
18330025.032783
Surface area
1007969453107350
Volume
2.1774298921697E+21
Space diagonal
22449604.15138
Perimeter
38883855
Area
72743929385806
Altitude
11224802.07569
Surface area
72743929385806
Volume
2.5661257371859E+20
Height
6110008.344261