12618921 is an odd 8-digits composite number following 12618920
and preceding 12618922 . In scientific notation, it is written as 1.2618921 × 10^7.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 7210728 positive integers (up to 12618921) that are relatively prime to 12618921.
12618921 has 8 divisors, whose sum is 17168800
The reverse of 12618921 is 12981621
Previous prime number is 49
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twelve million six hundred eighteen thousand nine hundred twenty-one
Scientific notation
1.2618921 × 10^7
Engineering notation
1.2618921 × 10^6
Prime Factorization
3 × 49 × 85843
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
12618921
Product of the distinct prime numbers
The prime factorization of 12618921 is 3 × 49 × 85843.
Since it has a total of 3 prime factors.
7 , 1 , 18 , 12 , 184 , 289 , 8108 , 1991 , 74239 , 77553 , 275171 , 3006 , 3413156 , 7256610 , 42367336 , 52203444 , 566529402 , 917197215 , 1348777772 , 2356019113
n×2
25237842
n×3
37856763
n×4
50475684
n×5
63094605
n÷2
6309460.5
n÷3
4206307
n÷3
3154730.25
n÷5
2523784.2
n2
159237167204241
n3
2.0094012332141E+21
n4
2.5356475419231E+28
n5
3.1997136015372E+35
2 √n
3552.3120639944
3 √n
232.81309650463
4 √n
59.601275690998
5 √n
26.315064830692
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
-12618920
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 12618921 can be divided by 8 positive divisors.
The sum of these divisors (counting 12618921) is 1, the average is 0.125.
Base
System
Value
2
Binary
110000001000110010101001
3
Ternary
212202002220110
4
Quaternary
300020302221
5
Quinary
11212301141
6
Senary
1130244533
8
Octal
60106251
10
Decimal
12618921
12
Duodecimal
4286749
16
Hexadecimal
c08ca9
20
Vigesimal
3ih761
36
Base36
7igtl
md5
b7e1900605e96a9c15a65e870ad0e7ff
sha1
3f9c306dccf8a362f8f727e10aef401a475b37fd
sha256
d20c4ddc54e442c78a7c794cca5a542edd19cf3a26c4814c4a4c9821cc5ba986
sha512
1c55d091dadd601ac9efc36b11386286fb7a7b2ef8fcddfd8c18300bb5cb47ffd5af0ba7e918d8ad98b1db00523f7c510f69182edef60097cc47b87a9cb64843
ripemd-160
a04e6092d7e5d4bdd9fbbbd3d7764511d0c04c07
Diameter
25237842
Circumference
79287019.01966
Area
5.0025831466729E+14
Volume
8.4169602031729E+21
Surface area
2.0010332586692E+15
Circumference
79287019.01966
Perimeter
50475684
Area
159237167204241
Diagonal
17845849.220715
Surface area
955423003225446
Volume
2.0094012332141E+21
Space diagonal
21856612.308698
Perimeter
37856763
Area
68951716012771
Altitude
10928306.154349
Surface area
68951716012771
Volume
2.3681020635505E+20
Height
5948616.4069049