12912138 is an even 8-digits composite number following 12912137
and preceding 12912139 . In scientific notation, it is written as 1.2912138 × 10^7.
The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors.
There are 4304040 positive integers (up to 12912138) that are relatively prime to 12912138.
12912138 has 8 divisors, whose sum is 21520260
The reverse of 12912138 is 83121921
Previous prime number is 9
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twelve million nine hundred twelve thousand one hundred thirty-eight
Scientific notation
1.2912138 × 10^7
Engineering notation
1.2912138 × 10^6
Prime Factorization
2 × 9 × 717341
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
12912138
Product of the distinct prime numbers
The prime factorization of 12912138 is 2 × 9 × 717341.
Since it has a total of 3 prime factors.
4 , 7 , 89 , 54 , 770 , 61 , 2090 , 7981 , 55582 , 77613 , 887049 , 325613 , 3039931 , 3425937 , 57995669 , 87205776 , 710492297 , 282006204 , 650753604 , 726369441
n×2
25824276
n×3
38736414
n×4
51648552
n×5
64560690
n÷2
6456069
n÷3
4304046
n÷3
3228034.5
n÷5
2582427.6
n2
166723307731044
n3
2.1527543572397E+21
n4
2.779666134078E+28
n5
3.5891432717142E+35
2 √n
3593.3463512442
3 √n
234.60254530721
4 √n
59.944527283516
5 √n
26.436236704383
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
-12912137
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 12912138 can be divided by 8 positive divisors.
The sum of these divisors (counting 12912138) is 1, the average is 0.125.
Base
System
Value
2
Binary
110001010000011000001010
3
Ternary
220022000010100
4
Quaternary
301100120022
5
Quinary
11301142023
6
Senary
1140430230
8
Octal
61203012
10
Decimal
12912138
12
Duodecimal
43a8376
16
Hexadecimal
c5060a
20
Vigesimal
40e06i
36
Base36
7or2i
md5
a2a354b23e62e2b13bc9517570676fd8
sha1
23379e4dd966ad361ec55af5f22414046f307a95
sha256
a1427a0f6ca076233dc99a3e847481561b01e8af4fbbbf88b3f009c19bbe4a96
sha512
2dddfc38785eb838a0cd07311f2b3159ad57a1a6a494966a52e39af7a3973a7d8027d952dd58a16e245a8e89cdd5d93a7839f664fc29fe415958a32090a0fc07
ripemd-160
ef0b1f15d0e3c73ddca976e1f3bba79bf31073f9
Diameter
25824276
Circumference
81129355.765875
Area
5.2377671875004E+14
Volume
9.0174363649169E+21
Surface area
2.0951068750002E+15
Circumference
81129355.765875
Perimeter
51648552
Area
166723307731044
Diagonal
18260520.678833
Surface area
1000339846386264
Volume
2.1527543572397E+21
Space diagonal
22364479.050341
Perimeter
38736414
Area
72193309949027
Altitude
11182239.52517
Surface area
72193309949027
Volume
2.5370453403885E+20
Height
6086840.2262777