12881389 is an odd 8-digits composite number following 12881388
and preceding 12881390 . In scientific notation, it is written as 1.2881389 × 10^7.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 12872224 positive integers (up to 12881389) that are relatively prime to 12881389.
12881389 has 4 divisors, whose sum is 12890556
The reverse of 12881389 is 98318821
Previous prime number is 1733
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
twelve million eight hundred eighty-one thousand three hundred eighty-nine
Scientific notation
1.2881389 × 10^7
Engineering notation
1.2881389 × 10^6
Prime Factorization
1733 × 7433
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
12881389
Product of the distinct prime numbers
The prime factorization of 12881389 is 1733 × 7433.
Since it has a total of 2 prime factors.
3 , 6 , 73 , 17 , 814 , 974 , 60 , 1962 , 43138 , 44271 , 303570 , 488630 , 3797481 , 7239279 , 15859979 , 37051057 , 486729366 , 854563768 , 6332736132 , 8266784195
n×2
25762778
n×3
38644167
n×4
51525556
n×5
64406945
n÷2
6440694.5
n÷3
4293796.3333333
n÷3
3220347.25
n÷5
2576277.8
n2
165930182569321
n3
2.1374112285164E+21
n4
2.7532825487488E+28
n5
3.5466103537345E+35
2 √n
3589.0651986276
3 √n
234.41616957378
4 √n
59.908807354409
5 √n
26.423633628487
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
-12881388
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 12881389 can be divided by 4 positive divisors.
The sum of these divisors (counting 12881389) is 1, the average is 0.25.
Base
System
Value
2
Binary
110001001000110111101101
3
Ternary
220020102221111
4
Quaternary
301020313231
5
Quinary
11244201024
6
Senary
1140032021
8
Octal
61106755
10
Decimal
12881389
12
Duodecimal
4392611
16
Hexadecimal
c48ded
20
Vigesimal
40a399
36
Base36
7o3cd
md5
62987d35d194b3c585f267cc5e7bd249
sha1
b22a212272f4848810ed598a90eed23d5a568c62
sha256
680dc5c10eac12b01d7e16034281b4b12248e6af85305405360e78e8c1f79a19
sha512
9e7c566f7f101cc82faf9e79e7fc8e196e99e35af8f5ca747e608f00724d37e50d7bf528d76e82364504e12d52ebede8d94c19cec4f23ca34617a537814cd653
ripemd-160
93c78a70845dfc9de081f5d0c63af5d4f3e3e8f2
Diameter
25762778
Circumference
80936154.100865
Area
5.2128504256859E+14
Volume
8.9531672176101E+21
Surface area
2.0851401702744E+15
Circumference
80936154.100865
Perimeter
51525556
Area
165930182569321
Diagonal
18217035.026004
Surface area
995581095415926
Volume
2.1374112285164E+21
Space diagonal
22311220.220059
Perimeter
38644167
Area
71849876679811
Altitude
11155610.110029
Surface area
71849876679811
Volume
2.5189632897804E+20
Height
6072345.0086679