68609009 is an odd 8-digits composite number following 68609008
and preceding 68609010 . In scientific notation, it is written as 6.8609009 × 10^7.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 58767840 positive integers (up to 68609009) that are relatively prime to 68609009.
68609009 has 8 divisors, whose sum is 78463488
The reverse of 68609009 is 90090686
Previous prime number is 2207
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
sixty-eight million six hundred nine thousand nine
Scientific notation
6.8609009 × 10^7
Engineering notation
6.8609009 × 10^6
Prime Factorization
7 × 2207 × 4441
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
68609009
Product of the distinct prime numbers
The prime factorization of 68609009 is 7 × 2207 × 4441.
Since it has a total of 3 prime factors.
4 , 6 , 24 , 50 , 186 , 828 , 1563 , 3697 , 3456 , 76545 , 233120 , 672465 , 910237 , 9332212 , 11620811 , 20255078 , 85527863 , 881088171 , 7257606507 , 740526066
n×2
137218018
n×3
205827027
n×4
274436036
n×5
343045045
n÷2
34304504.5
n÷3
22869669.666667
n÷3
17152252.25
n÷5
13721801.8
n2
4707196115962081
n3
3.2295606068481E+23
n4
2.2157695274128E+31
n5
1.5202175144819E+39
2 √n
8283.0555352478
3 √n
409.38040261697
4 √n
91.011293448933
5 √n
36.921235824873
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
-68609008
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 68609009 can be divided by 8 positive divisors.
The sum of these divisors (counting 68609009) is 1, the average is 0.125.
Base
System
Value
2
Binary
100000101101110001111110001
3
Ternary
11210002200212102
4
Quaternary
10011232033301
5
Quinary
120030442014
6
Senary
10450310145
8
Octal
405561761
10
Decimal
68609009
12
Duodecimal
1ab88355
16
Hexadecimal
416e3f1
20
Vigesimal
118g2a9
36
Base36
14uj1t
md5
41782ce7886b36a94de82a28840f0a00
sha1
22079ae8c183de8a3cc0e59dbe1f177d1ce293d2
sha256
62e56f10f7ae9d5312bc411548ce9244c2886644cc6f919f793f1b26c604cf0c
sha512
ecb543ff0fb7bcbae9201dadf8732e3dd5dfb407c518400303fbf42e73ebd2f12f413bdb747578ed9462ca2e5a7f6205c684defa9f7fa098028c6586206fbb1a
ripemd-160
6726763da993a22707ca2b431adddcbcf7bea4a3
Diameter
137218018
Circumference
431083117.28895
Area
1.4788092736913E+16
Volume
1.3527951835729E+24
Surface area
5.9152370947652E+16
Circumference
431083117.28895
Perimeter
274436036
Area
4707196115962081
Diagonal
97027791.028778
Surface area
28243176695772486
Volume
3.2295606068481E+23
Space diagonal
118834289.44495
Perimeter
205827027
Area
2.0382757085093E+15
Altitude
59417144.722475
Surface area
2.0382757085093E+15
Volume
3.806073675592E+22
Height
32342597.009593