1228909 is an odd 7-digits composite number following 1228908
and preceding 1228910 . In scientific notation, it is written as 1.228909 × 10^6.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 1092960 positive integers (up to 1228909) that are relatively prime to 1228909.
1228909 has 8 divisors, whose sum is 1369728
The reverse of 1228909 is 9098221
Previous prime number is 47
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 31
Digital Root 4
Name
one million two hundred twenty-eight thousand nine hundred nine
Scientific notation
1.228909 × 10^6
Engineering notation
1.228909 × 10^6
Prime Factorization
11 × 47 × 2377
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1228909
Product of the distinct prime numbers
The prime factorization of 1228909 is 11 × 47 × 2377.
Since it has a total of 3 prime factors.
2 , 2 , 25 , 98 , 643 , 125 , 5624 , 1456 , 13295 , 82472 , 965346 , 389908 , 6467998 , 8367115 , 81736905 , 12591340 , 572540580 , 666625717 , 417051613 , 4325378830
n×2
2457818
n×3
3686727
n×4
4915636
n×5
6144545
n÷2
614454.5
n÷3
409636.33333333
n÷3
307227.25
n÷5
245781.8
n2
1510217330281
n3
1855919669138293429
n4
2.2807563846811E+24
n5
2.802842047942E+30
2 √n
1108.5616807377
3 √n
107.11243894171
4 √n
33.295069916396
5 √n
16.515964661576
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
-1228908
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 1228909 can be divided by 8 positive divisors.
The sum of these divisors (counting 1228909) is 1, the average is 0.125.
Base
System
Value
2
Binary
100101100000001101101
3
Ternary
2022102202011
4
Quaternary
10230001231
5
Quinary
303311114
6
Senary
42201221
8
Octal
4540155
10
Decimal
1228909
12
Duodecimal
4b3211
16
Hexadecimal
12c06d
20
Vigesimal
7dc59
36
Base36
qc8d
md5
c1dca257ddce7f8f5ba9c82042a94c31
sha1
5c5ea175642bf8d5af1f75be85584c6dd49d5072
sha256
a8d9c6bece3b340f12b8cb52a298dc9a55ec45cbbdf2954be11a28ae0ebdd9c6
sha512
edc30855bd9006eeec3d736a8cbee446c15ee694ed126f40df4d0ac5d08609ab590c7ef3c6ea1c9e9fcc75104465eb8fcbe9a9b9fe4577dc5867e2dfead82a0a
ripemd-160
ceaf57c41563a350fb76c63e4d06ea9f989283da
Diameter
2457818
Circumference
7721462.9726608
Area
4744487670134.8
Volume
7.7740581309569E+18
Surface area
18977950680539
Circumference
7721462.9726608
Perimeter
4915636
Area
1510217330281
Diagonal
1737939.7747224
Surface area
9061303981686
Volume
1855919669138293429
Space diagonal
2128532.8258787
Perimeter
3686727
Area
653943286629.43
Altitude
1064266.4129393
Surface area
653943286629.43
Volume
2.187222305642E+17
Height
579313.25824079