12445905 is an odd 8-digits composite number following 12445904
and preceding 12445906 . In scientific notation, it is written as 1.2445905 × 10^7.
The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors.
There are 6637808 positive integers (up to 12445905) that are relatively prime to 12445905.
12445905 has 4 divisors, whose sum is 13275648
The reverse of 12445905 is 50954421
Previous prime number is 15
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twelve million four hundred forty-five thousand nine hundred five
Scientific notation
1.2445905 × 10^7
Engineering notation
1.2445905 × 10^6
Prime Factorization
15 × 829727
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
12445905
Product of the distinct prime numbers
The prime factorization of 12445905 is 15 × 829727.
Since it has a total of 2 prime factors.
10 , 9 , 34 , 55 , 320 , 392 , 6004 , 6718 , 21607 , 31972 , 139055 , 693522 , 1752510 , 7232698 , 44010685 , 21995197 , 919744276 , 935354905 , 2178691729 , 5381273093
n×2
24891810
n×3
37337715
n×4
49783620
n×5
62229525
n÷2
6222952.5
n÷3
4148635
n÷3
3111476.25
n÷5
2489181
n2
154900551269025
n3
1.9278775455419E+21
n4
2.3994180783448E+28
n5
2.9862929458362E+35
2 √n
3527.8754229706
3 √n
231.74417525092
4 √n
59.395920928719
5 √n
26.242505466149
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
-12445904
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 12445905 can be divided by 4 positive divisors.
The sum of these divisors (counting 12445905) is 1, the average is 0.25.
Base
System
Value
2
Binary
101111011110100011010001
3
Ternary
212102022120110
4
Quaternary
233132203101
5
Quinary
11141232110
6
Senary
1122431533
8
Octal
57364321
10
Decimal
12445905
12
Duodecimal
42025a9
16
Hexadecimal
bde8d1
20
Vigesimal
3hfef5
36
Base36
7erbl
md5
0a8c16ad68024263619475e809eaf2c4
sha1
d73551839201b87c6a4f89b1d8e71550404d80f1
sha256
73b19596033554ec84c5f616e34b5156ebaa11419af83a2f5ef1752872cda9ca
sha512
cb64d413dfc9f28c61665eb2f4b2f4ad44a1578b68a3d1bc05acedcc4b964a53143d69a8a903f165eb102e7e61287635df929df36f505d8c844d3a26371a2e77
ripemd-160
90c0aab2daf7422a603922c8e9bee34617f9a62d
Diameter
24891810
Circumference
78199927.430553
Area
4.8663443390378E+14
Volume
8.0754745787936E+21
Surface area
1.9465377356151E+15
Circumference
78199927.430553
Perimeter
49783620
Area
154900551269025
Diagonal
17601167.647007
Surface area
929403307614150
Volume
1.9278775455419E+21
Space diagonal
21556939.806176
Perimeter
37337715
Area
67073906229595
Altitude
10778469.903088
Surface area
67073906229595
Volume
2.2720254762499E+20
Height
5867055.8823357