12881947 is an odd 8-digits composite number following 12881946
and preceding 12881948 . In scientific notation, it is written as 1.2881947 × 10^7.
The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors.
There are 11780640 positive integers (up to 12881947) that are relatively prime to 12881947.
12881947 has 8 divisors, whose sum is 14001680
The reverse of 12881947 is 74918821
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
twelve million eight hundred eighty-one thousand nine hundred forty-seven
Scientific notation
1.2881947 × 10^7
Engineering notation
1.2881947 × 10^6
Prime Factorization
109 × 13 × 9091
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
12881947
Product of the distinct prime numbers
The prime factorization of 12881947 is 109 × 13 × 9091.
Since it has a total of 3 prime factors.
7 , 6 , 26 , 71 , 516 , 411 , 9760 , 8150 , 95858 , 74725 , 427149 , 976345 , 4194016 , 7919863 , 94030978 , 84180984 , 222362198 , 982778895 , 4556685120 , 5001702299
n×2
25763894
n×3
38645841
n×4
51527788
n×5
64409735
n÷2
6440973.5
n÷3
4293982.3333333
n÷3
3220486.75
n÷5
2576389.4
n2
165944558510809
n3
2.1376890076746E+21
n4
2.7537596499347E+28
n5
3.5473785861198E+35
2 √n
3589.142933905
3 √n
234.41955436233
4 √n
59.90945613094
5 √n
26.42386254995
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
-12881946
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 12881947 can be divided by 8 positive divisors.
The sum of these divisors (counting 12881947) is 1, the average is 0.125.
Base
System
Value
2
Binary
110001001001000000011011
3
Ternary
220020110201011
4
Quaternary
301021000123
5
Quinary
11244210242
6
Senary
1140034351
8
Octal
61110033
10
Decimal
12881947
12
Duodecimal
43929b7
16
Hexadecimal
c4901b
20
Vigesimal
40a4h7
36
Base36
7o3rv
md5
8e66394a25f58dcca30984501e1a42d3
sha1
238100f4679cebd77fc3a2172f4604094ab3bd33
sha256
1230ad30a3d54ba2d653d974c3481de136c9eb7766a779314bb8d9b8f78fc94d
sha512
5fd7987267fefde97f44a9f30afb704ed3b4aef3b903eae4b4f5c02d8181294a556d9ef99da9cef550d7e3a04203dbcbb204e77e3cdfe5ddc0a994c191274b1f
ripemd-160
d9df3e3d78c6606623578fec5329dad746573ac7
Diameter
25763894
Circumference
80939660.118266
Area
5.2133020592076E+14
Volume
8.9543307762271E+21
Surface area
2.085320823683E+15
Circumference
80939660.118266
Perimeter
51527788
Area
165944558510809
Diagonal
18217824.157171
Surface area
995667351064854
Volume
2.1376890076746E+21
Space diagonal
22312186.704409
Perimeter
38645841
Area
71856101645077
Altitude
11156093.352205
Surface area
71856101645077
Volume
2.5192906556578E+20
Height
6072608.0523905