12881321 is an odd 8-digits composite number following 12881320
and preceding 12881322 . In scientific notation, it is written as 1.2881321 × 10^7.
The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors.
There are 12835200 positive integers (up to 12881321) that are relatively prime to 12881321.
12881321 has 4 divisors, whose sum is 12927444
The reverse of 12881321 is 12318821
Previous prime number is 281
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
twelve million eight hundred eighty-one thousand three hundred twenty-one
Scientific notation
1.2881321 × 10^7
Engineering notation
1.2881321 × 10^6
Prime Factorization
281 × 45841
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
12881321
Product of the distinct prime numbers
The prime factorization of 12881321 is 281 × 45841.
Since it has a total of 2 prime factors.
4 , 8 , 2 , 57 , 371 , 668 , 1671 , 8170 , 45467 , 30013 , 651093 , 364540 , 4238269 , 5352844 , 13668745 , 60794170 , 167373111 , 983948978 , 8727409540 , 4498429007
n×2
25762642
n×3
38643963
n×4
51525284
n×5
64406605
n÷2
6440660.5
n÷3
4293773.6666667
n÷3
3220330.25
n÷5
2576264.2
n2
165928430705041
n3
2.1373773789379E+21
n4
2.7532244116238E+28
n5
3.5465167431162E+35
2 √n
3589.0557253963
3 √n
234.41575708391
4 √n
59.908728290595
5 √n
26.423605730705
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12881320
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12881321 can be divided by 4 positive divisors.
The sum of these divisors (counting 12881321) is 1, the average is 0.25.
Base
System
Value
2
Binary
110001001000110110101001
3
Ternary
220020102211222
4
Quaternary
301020312221
5
Quinary
11244200241
6
Senary
1140031425
8
Octal
61106651
10
Decimal
12881321
12
Duodecimal
4392575
16
Hexadecimal
c48da9
20
Vigesimal
40a361
36
Base36
7o3ah
md5
e84302f128e45a91347511b404ac3632
sha1
13355c3611f4062b3e5ccf222568f78aecf35efa
sha256
567f99611872ac1673eee4da499a1097864f75c4e86cd4f6f1e07ceac45dce65
sha512
4ff9fe61e3aea0bf76b8dafea812ead0d3b83ac801cb03cf717662a137a058088716ded30f21cd34103bdceac040d0c44ef896d277a5e2b05388e3b58670e2e5
ripemd-160
2c577e9320b65a920d58cc2641c24802a31e39e3
Diameter
25762642
Circumference
80935726.844264
Area
5.2127953892464E+14
Volume
8.953025428827E+21
Surface area
2.0851181556986E+15
Circumference
80935726.844264
Perimeter
51525284
Area
165928430705041
Diagonal
18216938.859481
Surface area
995570584230246
Volume
2.1373773789379E+21
Space diagonal
22311102.440604
Perimeter
38643963
Area
71849118100326
Altitude
11155551.220302
Surface area
71849118100326
Volume
2.5189233976695E+20
Height
6072312.9531605