12887938 is an even 8-digits composite number following 12887937
and preceding 12887939 . In scientific notation, it is written as 1.2887938 × 10^7.
The sum of its digits is 46. It has a total of 4 prime factors and 16 positive divisors.
There are 5198400 positive integers (up to 12887938) that are relatively prime to 12887938.
12887938 has 16 divisors, whose sum is 23393664
The reverse of 12887938 is 83978821
Previous prime number is 17
Is Prime? no
Number parity even
Number length 8
Sum of Digits 46
Digital Root 1
Name
twelve million eight hundred eighty-seven thousand nine hundred thirty-eight
Scientific notation
1.2887938 × 10^7
Engineering notation
1.2887938 × 10^6
Prime Factorization
2 × 7 × 17 × 54151
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
12887938
Product of the distinct prime numbers
The prime factorization of 12887938 is 2 × 7 × 17 × 54151.
Since it has a total of 4 prime factors.
5 , 1 , 24 , 12 , 260 , 65 , 946 , 246 , 75321 , 54718 , 113913 , 9173 , 6615795 , 8983363 , 8400366 , 72194676 , 411388720 , 417392008 , 2397498936 , 9550917732
n×2
25775876
n×3
38663814
n×4
51551752
n×5
64439690
n÷2
6443969
n÷3
4295979.3333333
n÷3
3221984.5
n÷5
2577587.6
n2
166098945891844
n3
2.1406729165194E+21
n4
2.7588859826382E+28
n5
3.555635149331E+35
2 √n
3589.977437255
3 √n
234.45588918788
4 √n
59.916420430922
5 √n
26.426319879103
1 , 2 , 7 , 14 , 17 , 34 , 119 , 238 , 54151 , 108302 , 379057 , 758114 , 920567 , 1841134 , 6443969 , 12887938
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12887937
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12887938 can be divided by 16 positive divisors.
The sum of these divisors (counting 12887938) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110001001010011110000010
3
Ternary
220020202221001
4
Quaternary
301022132002
5
Quinary
11244403223
6
Senary
1140122214
8
Octal
61123602
10
Decimal
12887938
12
Duodecimal
439636a
16
Hexadecimal
c4a782
20
Vigesimal
40ajgi
36
Base36
7o8ea
md5
9ae2e1b408ee9b127a010d2171824625
sha1
8b662dfe335d06f4d484280b2e05f8342a2d31c4
sha256
3a8ab3da78de572d28c7f01fe7d4ab5860926f9dd41725e2066ee5c86e09b0ca
sha512
de3ec7146b2f86f9b86636fa25d4d4d88d5bbd23c0227ddecdfaf3565e8204d247545870df384466455693c0193ac08ef57b90be8e511aaed9f148a3986d9f86
ripemd-160
d757af34b42339c28854e11c3a37382f38911dea
Diameter
25775876
Circumference
80977302.681441
Area
5.2181522818283E+14
Volume
8.9668297443681E+21
Surface area
2.0872609127313E+15
Circumference
80977302.681441
Perimeter
51551752
Area
166098945891844
Diagonal
18226296.710624
Surface area
996593675351064
Volume
2.1406729165194E+21
Space diagonal
22322563.420798
Perimeter
38663814
Area
71922953342077
Altitude
11161281.710399
Surface area
71922953342077
Volume
2.5228072259555E+20
Height
6075432.2368745