12180821 is an odd 8-digits prime number following 12180820
and preceding 12180822 . In scientific notation, it is written as 1.2180821 × 10^7.
The sum of its digits is 23. It has a total of 1 prime factors and 2 positive divisors.
There are 12180820 positive integers (up to 12180821) that are relatively prime to 12180821.
12180821 has 2 divisors, whose sum is 12180822
The reverse of 12180821 is 12808121
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5
Name
twelve million one hundred eighty thousand eight hundred twenty-one
Scientific notation
1.2180821 × 10^7
Engineering notation
1.2180821 × 10^6
Prime Factorization
12180821
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
12180821
Product of the distinct prime numbers
The prime factorization of 12180821 is 12180821.
Since it has a total of 1 prime factors.
2 , 9 , 45 , 55 , 391 , 407 , 7081 , 5399 , 97807 , 34299 , 959493 , 27921 , 24243 , 8413239 , 53196353 , 784377 , 274467448 , 408374472 , 3519328711 , 7313727566
n×2
24361642
n×3
36542463
n×4
48723284
n×5
60904105
n÷2
6090410.5
n÷3
4060273.6666667
n÷3
3045205.25
n÷5
2436164.2
n2
148372400234041
n3
1.8072976485912E+21
n4
2.201436915121E+28
n5
2.6815309005882E+35
2 √n
3490.1032936003
3 √n
230.08705589173
4 √n
59.077096184565
5 √n
26.129753469289
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
12180822
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
6090411
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
3490.1034368626
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999998358075
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12180821 can be divided by 2 positive divisors.
The sum of these divisors (counting 12180821) is 12180822, the average is 6090411.
Base
System
Value
2
Binary
101110011101110101010101
3
Ternary
211220211221112
4
Quaternary
232131311111
5
Quinary
11104241241
6
Senary
1113024405
8
Octal
56356525
10
Decimal
12180821
12
Duodecimal
40b5105
16
Hexadecimal
b9dd55
20
Vigesimal
3g2c11
36
Base36
792s5
md5
a2a1b2b55257d006524040560f87afe9
sha1
cd902ac952f24dec180eb00731a5c7993eead016
sha256
f32ae81931dbb335b8f3cdfa21b01427241fbdb122b6fac40cd444cbaee57f4a
sha512
15c5e033780401700a5521b0094372ae46dc581917802c9c8a65a4dcedbd7fcd4de7a8deb10fa5cbe11c640690686bc098bee374f85aa64f2c64995c1e0d52d9
ripemd-160
34049d26c5477a1a7430c42702500bd50beb0d18
Diameter
24361642
Circumference
76534355.536585
Area
4.6612564257075E+14
Volume
7.5703906875523E+21
Surface area
1.864502570283E+15
Circumference
76534355.536585
Perimeter
48723284
Area
148372400234041
Diagonal
17226282.259039
Surface area
890234401404246
Volume
1.8072976485912E+21
Space diagonal
21097800.849902
Perimeter
36542463
Area
64247133911576
Altitude
10548900.424951
Surface area
64247133911576
Volume
2.1299207049022E+20
Height
5742094.0863463