12621805 is an odd 8-digits composite number following 12621804
and preceding 12621806 . In scientific notation, it is written as 1.2621805 × 10^7.
The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors.
There are 8375040 positive integers (up to 12621805) that are relatively prime to 12621805.
12621805 has 8 divisors, whose sum is 13402368
The reverse of 12621805 is 50812621
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
twelve million six hundred twenty-one thousand eight hundred five
Scientific notation
1.2621805 × 10^7
Engineering notation
1.2621805 × 10^6
Prime Factorization
35 × 31 × 11633
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
12621805
Product of the distinct prime numbers
The prime factorization of 12621805 is 35 × 31 × 11633.
Since it has a total of 3 prime factors.
7 , 8 , 57 , 51 , 926 , 637 , 6680 , 6464 , 20177 , 1074 , 750964 , 791633 , 6256981 , 6363889 , 50061822 , 14900658 , 584167207 , 804012113 , 5388873886 , 5672133910
n×2
25243610
n×3
37865415
n×4
50487220
n×5
63109025
n÷2
6310902.5
n÷3
4207268.3333333
n÷3
3155451.25
n÷5
2524361
n2
159309961458025
n3
2.0107792680807E+21
n4
2.5379663819757E+28
n5
3.2033716769853E+35
2 √n
3552.7179736084
3 √n
232.83083129685
4 √n
59.604680802839
5 √n
26.316267559672
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
-12621804
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 12621805 can be divided by 8 positive divisors.
The sum of these divisors (counting 12621805) is 1, the average is 0.125.
Base
System
Value
2
Binary
110000001001011111101101
3
Ternary
212202020212021
4
Quaternary
300021133231
5
Quinary
11212344210
6
Senary
1130310141
8
Octal
60113755
10
Decimal
12621805
12
Duodecimal
4288351
16
Hexadecimal
c097ed
20
Vigesimal
3ihea5
36
Base36
7ij1p
md5
19d476f77e79922165a03c490969ed09
sha1
7acec3fce7ac256553671e8d0cd85f6a3cc0b9b3
sha256
b85c64574dd949bbddee687f617433a4952d2c8caf013a40ba1bdac72fb251d1
sha512
618fe83a1970e8296033185f14f4049643542bc22d5b9eb68e6d04816841a3984757c59e40b732b84c0b11791325a8a79ace48c44620a796af88eaa142a270f3
ripemd-160
0f320f5622c9abdb546c8e7bca7773af63c323a1
Diameter
25243610
Circumference
79305139.726086
Area
5.004870045602E+14
Volume
8.422732502124E+21
Surface area
2.0019480182408E+15
Circumference
79305139.726086
Perimeter
50487220
Area
159309961458025
Diagonal
17849927.812629
Surface area
955859768748150
Volume
2.0107792680807E+21
Space diagonal
21861607.543227
Perimeter
37865415
Area
68983236849285
Altitude
10930803.771613
Surface area
68983236849285
Volume
2.3697260932153E+20
Height
5949975.9375428