20485909 is an odd 8-digits prime number following 20485908
and preceding 20485910 . In scientific notation, it is written as 2.0485909 × 10^7.
The sum of its digits is 37. It has a total of 1 prime factors and 2 positive divisors.
There are 20485908 positive integers (up to 20485909) that are relatively prime to 20485909.
20485909 has 2 divisors, whose sum is 20485910
The reverse of 20485909 is 90958402
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty million four hundred eighty-five thousand nine hundred nine
Scientific notation
2.0485909 × 10^7
Engineering notation
2.0485909 × 10^6
Prime Factorization
20485909
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20485909
Product of the distinct prime numbers
The prime factorization of 20485909 is 20485909.
Since it has a total of 1 prime factors.
1 , 9 , 52 , 24 , 910 , 687 , 3405 , 3092 , 76512 , 36624 , 591632 , 44907 , 8195805 , 770700 , 24710766 , 98817666 , 639669899 , 261605551 , 7241603107 , 5441976321
n×2
40971818
n×3
61457727
n×4
81943636
n×5
102429545
n÷2
10242954.5
n÷3
6828636.3333333
n÷3
5121477.25
n÷5
4097181.8
n2
419672467556281
n3
8.5973719801634E+21
n4
1.7612498002478E+29
n5
3.6080803134144E+36
2 √n
4526.136210942
3 √n
273.6224620835
4 √n
67.276565094704
5 √n
28.992859292752
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20485910
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10242955
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4526.1363214115
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999023719
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20485909 can be divided by 2 positive divisors.
The sum of these divisors (counting 20485909) is 20485910, the average is 10242955.
Base
System
Value
2
Binary
1001110001001011100010101
3
Ternary
1102112210101101
4
Quaternary
1032021130111
5
Quinary
20221022114
6
Senary
2011030101
8
Octal
116113425
10
Decimal
20485909
12
Duodecimal
6a3b331
16
Hexadecimal
1389715
20
Vigesimal
680ef9
36
Base36
c7311
md5
c54c1a14b029c2340ce795e4a4ce7075
sha1
8d6423afa788a506aafdad3f173bc8b08a662216
sha256
1982b49948544fa6af7c55ec235449c7fd544948456006e3da0c370e72685c9b
sha512
8a11e45b725eaa4c43c39ea512dca1e4d461fbf02dd602be53ce97b35c1123c6e27db815a715a206d58125b7c85d851376485f17e345d6feb90fb7e9fba647af
ripemd-160
cc3870bfbe98295108c4b9e267d64ef5c93e4574
Diameter
40971818
Circumference
128716762.43302
Area
1.3184399409887E+15
Volume
3.6012587537414E+22
Surface area
5.2737597639549E+15
Circumference
128716762.43302
Perimeter
81943636
Area
419672467556281
Diagonal
28971450.345341
Surface area
2518034805337686
Volume
8.5973719801634E+21
Space diagonal
35482635.227233
Perimeter
61457727
Area
1.8172350908632E+14
Altitude
17741317.613616
Surface area
1.8172350908632E+14
Volume
1.0132100045928E+21
Height
9657150.1151137