12881345 is an odd 8-digits composite number following 12881344
and preceding 12881346 . In scientific notation, it is written as 1.2881345 × 10^7.
The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors.
There are 10174320 positive integers (up to 12881345) that are relatively prime to 12881345.
12881345 has 8 divisors, whose sum is 15653760
The reverse of 12881345 is 54318821
Previous prime number is 79
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
twelve million eight hundred eighty-one thousand three hundred forty-five
Scientific notation
1.2881345 × 10^7
Engineering notation
1.2881345 × 10^6
Prime Factorization
5 × 79 × 32611
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
12881345
Product of the distinct prime numbers
The prime factorization of 12881345 is 5 × 79 × 32611.
Since it has a total of 3 prime factors.
2 , 5 , 59 , 8 , 954 , 733 , 1851 , 460 , 80277 , 55392 , 863551 , 292367 , 6480289 , 4218113 , 83875992 , 13703646 , 498474355 , 938500364 , 8208967318 , 6645147085
n×2
25762690
n×3
38644035
n×4
51525380
n×5
64406725
n÷2
6440672.5
n÷3
4293781.6666667
n÷3
3220336.25
n÷5
2576269
n2
165929049009025
n3
2.1373893258072E+21
n4
2.7532449305039E+28
n5
3.5465497819322E+35
2 √n
3589.0590688926
3 √n
234.41590266874
4 √n
59.908756195506
5 √n
26.423615576995
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
-12881344
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 12881345 can be divided by 8 positive divisors.
The sum of these divisors (counting 12881345) is 1, the average is 0.125.
Base
System
Value
2
Binary
110001001000110111000001
3
Ternary
220020102212212
4
Quaternary
301020313001
5
Quinary
11244200340
6
Senary
1140031505
8
Octal
61106701
10
Decimal
12881345
12
Duodecimal
4392595
16
Hexadecimal
c48dc1
20
Vigesimal
40a375
36
Base36
7o3b5
md5
41f0ae3d5c90858bf7aa4fc86a7c11e3
sha1
872d6ffb443882262dea428b9606d27b529c4178
sha256
305d2d07b01b5cbe1bb864a7927565cdf5350b3090039f816ddfcf19e2481d5b
sha512
8c1dbb7cba1b7bf0cfa6196f830b28b853a5f3641106d7d4675e1f529b4e569dc94fa8c459f9819cd03334c139a5b2db3742fcb81185372220494224b8628514
ripemd-160
1acfd44687d0c1c10ec2c2ba607eb83c7e988a82
Diameter
25762690
Circumference
80935877.640711
Area
5.2128148138389E+14
Volume
8.953075471756E+21
Surface area
2.0851259255356E+15
Circumference
80935877.640711
Perimeter
51525380
Area
165929049009025
Diagonal
18216972.800607
Surface area
995574294054150
Volume
2.1373893258072E+21
Space diagonal
22311144.009823
Perimeter
38644035
Area
71849385833804
Altitude
11155572.004912
Surface area
71849385833804
Volume
2.51893747719E+20
Height
6072324.266869