12209905 is an odd 8-digits composite number following 12209904
and preceding 12209906 . In scientific notation, it is written as 1.2209905 × 10^7.
The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors.
There are 9730800 positive integers (up to 12209905) that are relatively prime to 12209905.
12209905 has 8 divisors, whose sum is 14707584
The reverse of 12209905 is 50990221
Previous prime number is 271
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twelve million two hundred nine thousand nine hundred five
Scientific notation
1.2209905 × 10^7
Engineering notation
1.2209905 × 10^6
Prime Factorization
5 × 271 × 9011
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
12209905
Product of the distinct prime numbers
The prime factorization of 12209905 is 5 × 271 × 9011.
Since it has a total of 3 prime factors.
9 , 9 , 3 , 33 , 129 , 439 , 8745 , 6208 , 42304 , 99093 , 340679 , 228992 , 1625752 , 29090 , 61059789 , 2931420 , 839398982 , 61054332 , 7949159377 , 9857279679
n×2
24419810
n×3
36629715
n×4
48839620
n×5
61049525
n÷2
6104952.5
n÷3
4069968.3333333
n÷3
3052476.25
n÷5
2441981
n2
149081780109025
n3
1.8202743723621E+21
n4
2.2225377160476E+28
n5
2.7136974371858E+35
2 √n
3494.2674482644
3 √n
230.27003570262
4 √n
59.11232907156
5 √n
26.142219508666
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
-12209904
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 12209905 can be divided by 8 positive divisors.
The sum of these divisors (counting 12209905) is 1, the average is 0.125.
Base
System
Value
2
Binary
101110100100111011110001
3
Ternary
211222022211201
4
Quaternary
232210323301
5
Quinary
11111204110
6
Senary
1113411201
8
Octal
56447361
10
Decimal
12209905
12
Duodecimal
4109b01
16
Hexadecimal
ba4ef1
20
Vigesimal
3g64f5
36
Base36
79p81
md5
76c340b18ab63003d03ccc2d25ea4364
sha1
0c89f528230bcde0ccb16d98d84c58c5f2811f52
sha256
1aec0ab77cb155b2cc7758b3ce8ecc72f1bc302ac956ec458eae758e95b3b471
sha512
69acc2b0ef84d040d628cbf54913c8d964209edd49ac6a9fb56e1379b1ce5abe50868028b73efef814f794d3897bd53bd28e881645c3afe44db7613bcc60871d
ripemd-160
bf5b70c620289892a7a24c7f9088d94cd7b2d2bc
Diameter
24419810
Circumference
76717095.698059
Area
4.683542251746E+14
Volume
7.624747460974E+21
Surface area
1.8734169006984E+15
Circumference
76717095.698059
Perimeter
48839620
Area
149081780109025
Diagonal
17267413.246287
Surface area
894490680654150
Volume
1.8202743723621E+21
Space diagonal
21148175.815589
Perimeter
36629715
Area
64554304407911
Altitude
10574087.907795
Surface area
64554304407911
Volume
2.1452139205289E+20
Height
5755804.415429