20390015 is an odd 8-digits composite number following 20390014
and preceding 20390016 . In scientific notation, it is written as 2.0390015 × 10^7.
The sum of its digits is 20. It has a total of 2 prime factors and 4 positive divisors.
There are 16312008 positive integers (up to 20390015) that are relatively prime to 20390015.
20390015 has 4 divisors, whose sum is 24468024
The reverse of 20390015 is 51009302
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty million three hundred ninety thousand fifteen
Scientific notation
2.0390015 × 10^7
Engineering notation
2.0390015 × 10^6
Prime Factorization
5 × 4078003
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20390015
Product of the distinct prime numbers
The prime factorization of 20390015 is 5 × 4078003.
Since it has a total of 2 prime factors.
8 , 1 , 4 , 20 , 307 , 370 , 6579 , 6545 , 33940 , 45051 , 515812 , 954881 , 2335234 , 8526382 , 27993791 , 88836965 , 383641259 , 427305235 , 9965394772 , 4169987084
n×2
40780030
n×3
61170045
n×4
81560060
n×5
101950075
n÷2
10195007.5
n÷3
6796671.6666667
n÷3
5097503.75
n÷5
4078003
n2
415752711700225
n3
8.4772040278583E+21
n4
1.7285031728609E+29
n5
3.5244205622181E+36
2 √n
4515.530422885
3 √n
273.19485433695
4 √n
67.197696559369
5 √n
28.965665365334
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
-20390014
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 20390015 can be divided by 4 positive divisors.
The sum of these divisors (counting 20390015) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101110010000001111111
3
Ternary
1102100220211202
4
Quaternary
1031302001333
5
Quinary
20204440030
6
Senary
2005010115
8
Octal
115620177
10
Decimal
20390015
12
Duodecimal
69b393b
16
Hexadecimal
137207f
20
Vigesimal
678f0f
36
Base36
c511b
md5
66fc4e5e0de891a818077a04dc8caee3
sha1
fba832dae32130308ba76c68009671c45ab541af
sha256
eba2292317dc36b4f0f6036c2b0f03bb673b305869261b69b61d41deb431dae6
sha512
a251c7598b4c19042a5e85831165717e683467c4969a5e44fe1c1636531d4036917997faab64a7cd6f0f81f6c0702a776c979d693935f81e9a3417aaf2bc2e59
ripemd-160
31d073230b5c02c0ca26c268ea4a07dba1794636
Diameter
40780030
Circumference
128114242.66117
Area
1.3061256647875E+15
Volume
3.5509229195868E+22
Surface area
5.2245026591498E+15
Circumference
128114242.66117
Perimeter
81560060
Area
415752711700225
Diagonal
28835835.749991
Surface area
2494516270201350
Volume
8.4772040278583E+21
Space diagonal
35316541.947092
Perimeter
61170045
Area
1.8002620501233E+14
Altitude
17658270.973546
Surface area
1.8002620501233E+14
Volume
9.9904807560008E+20
Height
9611945.2499969