1242909 is an odd 7-digits composite number following 1242908
and preceding 1242910 . In scientific notation, it is written as 1.242909 × 10^6.
The sum of its digits is 27. It has a total of 2 prime factors and 4 positive divisors.
There are 828600 positive integers (up to 1242909) that are relatively prime to 1242909.
1242909 has 4 divisors, whose sum is 1381020
The reverse of 1242909 is 9092421
Previous prime number is 9
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 27
Digital Root 9
Name
one million two hundred forty-two thousand nine hundred nine
Scientific notation
1.242909 × 10^6
Engineering notation
1.242909 × 10^6
Prime Factorization
9 × 138101
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1242909
Product of the distinct prime numbers
The prime factorization of 1242909 is 9 × 138101.
Since it has a total of 2 prime factors.
2 , 4 , 97 , 98 , 781 , 802 , 3870 , 1475 , 99729 , 49846 , 951463 , 349174 , 4690631 , 6961580 , 2549191 , 41833193 , 108510842 , 613811993 , 8222868885 , 262110449
n×2
2485818
n×3
3728727
n×4
4971636
n×5
6214545
n÷2
621454.5
n÷3
414303
n÷3
310727.25
n÷5
248581.8
n2
1544822782281
n3
1920074139502095429
n4
2.3864774286544E+24
n5
2.9661742743714E+30
2 √n
1114.8582869585
3 √n
107.51765349165
4 √n
33.389493661307
5 √n
16.553425041628
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
-1242908
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 1242909 can be divided by 4 positive divisors.
The sum of these divisors (counting 1242909) is 1, the average is 0.25.
Base
System
Value
2
Binary
100101111011100011101
3
Ternary
2100010221200
4
Quaternary
10233130131
5
Quinary
304233114
6
Senary
42350113
8
Octal
4573435
10
Decimal
1242909
12
Duodecimal
4bb339
16
Hexadecimal
12f71d
20
Vigesimal
7f759
36
Base36
qn19
md5
8bc6c3e641837b85b4894290930980a4
sha1
73228a958b36ce5ae1342154f2750cb2d53e8beb
sha256
770f47d7e8f9b70dd2798b9ab339ef5facc5b1095fec5a7d98478959d54047c1
sha512
3a1db1a362e94912eec2498527d0d9a8c7c7b04456a70273e5e9a012fb44ba9276577807b4569eab5b754b4bdf8fd7d9fa5f790f09d56aa826b75b586a6cb0ec
ripemd-160
b4e79076836666c15fbb6c7b0120bbe9c0033424
Diameter
2485818
Circumference
7809427.5669613
Area
4853203903912.1
Volume
8.04278774801E+18
Surface area
19412815615649
Circumference
7809427.5669613
Perimeter
4971636
Area
1544822782281
Diagonal
1757738.7645956
Surface area
9268936693686
Volume
1920074139502095429
Space diagonal
2152781.5371846
Perimeter
3728727
Area
668927886900.15
Altitude
1076390.7685923
Surface area
668927886900.15
Volume
2.2628290740381E+17
Height
585912.92153186