12921838 is an even 8-digits composite number following 12921837
and preceding 12921839 . In scientific notation, it is written as 1.2921838 × 10^7.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 6460918 positive integers (up to 12921838) that are relatively prime to 12921838.
12921838 has 4 divisors, whose sum is 19382760
The reverse of 12921838 is 83812921
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
twelve million nine hundred twenty-one thousand eight hundred thirty-eight
Scientific notation
1.2921838 × 10^7
Engineering notation
1.2921838 × 10^6
Prime Factorization
2 × 6460919
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
12921838
Product of the distinct prime numbers
The prime factorization of 12921838 is 2 × 6460919.
Since it has a total of 2 prime factors.
7 , 8 , 12 , 94 , 135 , 931 , 7540 , 8836 , 18426 , 98359 , 158158 , 843260 , 6489852 , 8493507 , 10294277 , 57408023 , 723267 , 351450392 , 7084410280 , 1503974105
n×2
25843676
n×3
38765514
n×4
51687352
n×5
64609190
n÷2
6460919
n÷3
4307279.3333333
n÷3
3230459.5
n÷5
2584367.6
n2
166973897298244
n3
2.1576096511165E+21
n4
2.7880282378965E+28
n5
3.6026449229523E+35
2 √n
3594.6958146692
3 √n
234.66127751412
4 √n
59.9557821621
5 √n
26.440207456167
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
-12921837
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 12921838 can be divided by 4 positive divisors.
The sum of these divisors (counting 12921838) is 1, the average is 0.25.
Base
System
Value
2
Binary
110001010010101111101110
3
Ternary
220022111102121
4
Quaternary
301102233232
5
Quinary
11301444323
6
Senary
1140543154
8
Octal
61225756
10
Decimal
12921838
12
Duodecimal
43b1aba
16
Hexadecimal
c52bee
20
Vigesimal
40f4bi
36
Base36
7oyjy
md5
345bf3ed04cfe456486b25148f3287b2
sha1
04ecafb630309c205b404baf8ff294217030454f
sha256
3191c9437b171337ee4d82241b24c9582ae3fd2c9bb0d32e78257436030a2a97
sha512
0d88506022e4976934b56edec2b66f7e2f1ed599c072b4567b98ad3934637d8f9e0b93dff5caef1d8244eb8907e1f3fc92ff9fc40a34b3a977c3623f4f0d7882
ripemd-160
f9fd3fdf661c8483df9ced49557a41d765917dcd
Diameter
25843676
Circumference
81190302.663355
Area
5.2456396909342E+14
Volume
9.0377741723496E+21
Surface area
2.0982558763737E+15
Circumference
81190302.663355
Perimeter
51687352
Area
166973897298244
Diagonal
18274238.550388
Surface area
1001843383789464
Volume
2.1576096511165E+21
Space diagonal
22381279.943174
Perimeter
38765514
Area
72301818414587
Altitude
11190639.971587
Surface area
72301818414587
Volume
2.5427673590968E+20
Height
6091412.8501293