12881946 is an even 8-digits composite number following 12881945
and preceding 12881947 . In scientific notation, it is written as 1.2881946 × 10^7.
The sum of its digits is 39. It has a total of 5 prime factors and 32 positive divisors.
There are 3345840 positive integers (up to 12881946) that are relatively prime to 12881946.
12881946 has 32 divisors, whose sum is 32122368
The reverse of 12881946 is 64918821
Previous prime number is 11
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
twelve million eight hundred eighty-one thousand nine hundred forty-six
Scientific notation
1.2881946 × 10^7
Engineering notation
1.2881946 × 10^6
Prime Factorization
2 × 3 × 7 × 11 × 27883
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
12881946
Product of the distinct prime numbers
The prime factorization of 12881946 is 2 × 3 × 7 × 11 × 27883.
Since it has a total of 5 prime factors.
9 , 9 , 63 , 72 , 941 , 700 , 375 , 1064 , 23500 , 62708 , 437246 , 615471 , 9149957 , 3107761 , 84313123 , 99880492 , 441367329 , 516682000 , 2366762752 , 2157590134
n×2
25763892
n×3
38645838
n×4
51527784
n×5
64409730
n÷2
6440973
n÷3
4293982
n÷3
3220486.5
n÷5
2576389.2
n2
165944532746916
n3
2.137688509841E+21
n4
2.7537587948592E+28
n5
3.5473772092402E+35
2 √n
3589.1427945959
3 √n
234.41954829649
4 √n
59.909454968276
5 √n
26.423862139704
1 , 2 , 3 , 6 , 7 , 11 , 14 , 21 , 22 , 33 , 42 , 66 , 77 , 154 , 231 , 462 , 27883 , 55766 , 83649 , 167298 , 195181 , 306713 , 390362 , 585543 , 613426 , 920139 , 1171086 , 1840278 , 2146991 , 4293982 , 6440973 , 12881946
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12881945
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12881946 can be divided by 32 positive divisors.
The sum of these divisors (counting 12881946) is 1, the average is 0.03125.
Base
System
Value
2
Binary
110001001001000000011010
3
Ternary
220020110201010
4
Quaternary
301021000122
5
Quinary
11244210241
6
Senary
1140034350
8
Octal
61110032
10
Decimal
12881946
12
Duodecimal
43929b6
16
Hexadecimal
c4901a
20
Vigesimal
40a4h6
36
Base36
7o3ru
md5
d16763818e785e7f05469f293d7f17f2
sha1
d37e5be95c53ab88740863173bb423f6d6bb2d9d
sha256
7e7a1688bd3a5150513eeb9271a77616174d08d2215829eb3bd747b17fc0e4d8
sha512
f32c1ab8f4014b1d453d0849993952a82c8be583d7900812455d5e09c5a1627682ef0e26cb3c794284199070680c3a14a0ff49c2e8936bdc6e77e2623461c03d
ripemd-160
4cd1ceee478f40ab5ed8e1172be59e1bc26a2fbf
Diameter
25763892
Circumference
80939653.835081
Area
5.213301249811E+14
Volume
8.9543286909064E+21
Surface area
2.0853204999244E+15
Circumference
80939653.835081
Perimeter
51527784
Area
165944532746916
Diagonal
18217822.742958
Surface area
995667196481496
Volume
2.137688509841E+21
Space diagonal
22312184.972359
Perimeter
38645838
Area
71856090488984
Altitude
11156092.486179
Surface area
71856090488984
Volume
2.5192900689552E+20
Height
6072607.5809859