20091009 is an odd 8-digits composite number following 20091008
and preceding 20091010 . In scientific notation, it is written as 2.0091009 × 10^7.
The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors.
There are 13316240 positive integers (up to 20091009) that are relatively prime to 20091009.
20091009 has 8 divisors, whose sum is 26943552
The reverse of 20091009 is 90019002
Previous prime number is 173
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty million ninety-one thousand nine
Scientific notation
2.0091009 × 10^7
Engineering notation
2.0091009 × 10^6
Prime Factorization
3 × 173 × 38711
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20091009
Product of the distinct prime numbers
The prime factorization of 20091009 is 3 × 173 × 38711.
Since it has a total of 3 prime factors.
6 , 1 , 78 , 38 , 932 , 453 , 6722 , 1361 , 17814 , 44600 , 875992 , 735061 , 6941534 , 6430297 , 96490582 , 81699614 , 537554171 , 897003171 , 9273154500 , 130420943
n×2
40182018
n×3
60273027
n×4
80364036
n×5
100455045
n÷2
10045504.5
n÷3
6697003
n÷3
5022752.25
n÷5
4018201.8
n2
403648642638081
n3
8.1097085120795E+21
n4
1.6293222670357E+29
n5
3.2734728330914E+36
2 √n
4482.299521451
3 √n
271.85286610666
4 √n
66.949977755418
5 √n
28.880210185933
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
-20091008
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 20091009 can be divided by 8 positive divisors.
The sum of these divisors (counting 20091009) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100101001000010000001
3
Ternary
1101210201200110
4
Quaternary
1030221002001
5
Quinary
20120403014
6
Senary
1554341533
8
Octal
114510201
10
Decimal
20091009
12
Duodecimal
688a8a9
16
Hexadecimal
1329081
20
Vigesimal
65b7a9
36
Base36
bymbl
md5
275352cd5dddf5c4c0330aa01bdfc0dd
sha1
f65203d625ee836c5d660883840c857ea7559eb8
sha256
37e08bc51127623b006914cf95cc8d54479a67968cc8fbffd61f017ad71c16fc
sha512
2e647261f9241edd08f5f746c331e9c29c76c22339a7a2d2012b1c471586b4e294193e2f23da176c4274f07908d9e19b4071765efce5b9198ebd109ac4bfc1be
ripemd-160
08574e13cfd0312a89faeaa4ed022e5724040960
Diameter
40182018
Circumference
126235532.55521
Area
1.2680996103433E+15
Volume
3.3969867579071E+22
Surface area
5.0723984413731E+15
Circumference
126235532.55521
Perimeter
80364036
Area
403648642638081
Diagonal
28412977.40956
Surface area
2421891855828486
Volume
8.1097085120795E+21
Space diagonal
34798648.363324
Perimeter
60273027
Area
1.7478498936384E+14
Altitude
17399324.181662
Surface area
1.7478498936384E+14
Volume
9.5573831372294E+20
Height
9470992.4698533