20291609 is an odd 8-digits composite number following 20291608
and preceding 20291610 . In scientific notation, it is written as 2.0291609 × 10^7.
The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors.
There are 18730704 positive integers (up to 20291609) that are relatively prime to 20291609.
20291609 has 4 divisors, whose sum is 21852516
The reverse of 20291609 is 90619202
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million two hundred ninety-one thousand six hundred nine
Scientific notation
2.0291609 × 10^7
Engineering notation
2.0291609 × 10^6
Prime Factorization
13 × 1560893
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20291609
Product of the distinct prime numbers
The prime factorization of 20291609 is 13 × 1560893.
Since it has a total of 2 prime factors.
4 , 6 , 41 , 51 , 296 , 669 , 6802 , 9486 , 19477 , 99403 , 592004 , 80102 , 9512982 , 299064 , 97740144 , 29925734 , 842518028 , 694905592 , 5955325299 , 9038880705
n×2
40583218
n×3
60874827
n×4
81166436
n×5
101458045
n÷2
10145804.5
n÷3
6763869.6666667
n÷3
5072902.25
n÷5
4058321.8
n2
411749395808881
n3
8.3550577457401E+21
n4
1.6953756494898E+29
n5
3.4401899787568E+36
2 √n
4504.6208497497
3 √n
272.75464903302
4 √n
67.116472268361
5 √n
28.937652498558
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
-20291608
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 20291609 can be divided by 4 positive divisors.
The sum of these divisors (counting 20291609) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101011010000000011001
3
Ternary
1102011220212002
4
Quaternary
1031122000121
5
Quinary
20143312414
6
Senary
2002530345
8
Octal
115320031
10
Decimal
20291609
12
Duodecimal
69669b5
16
Hexadecimal
135a019
20
Vigesimal
66g909
36
Base36
c2x3t
md5
3fabd5cc4a70e6e594c8a607b8324505
sha1
f297ef84384234654b8a8604856255d61fcb7790
sha256
15789be591d21d3a065ba7bd2fa18dedbd7402ba55145d6528e3294f9ecd482f
sha512
94ceaa99cf6c491ceaa5aa5bed3fbbd6af40d3f48467783ff1ea67d7d4fd7274937c6276a7138c22f9717d386e965ef9e4ba78b6649ac48813c848084f7efcc8
ripemd-160
1fb54496476a71d7db3118925b1e42b6c5bf8ebf
Diameter
40583218
Circumference
127495939.52783
Area
1.2935488769932E+15
Volume
3.4997584045781E+22
Surface area
5.1741955079729E+15
Circumference
127495939.52783
Perimeter
81166436
Area
411749395808881
Diagonal
28696668.650172
Surface area
2470496374853286
Volume
8.3550577457401E+21
Space diagonal
35146097.755322
Perimeter
60874827
Area
1.7829271838169E+14
Altitude
17573048.877661
Surface area
1.7829271838169E+14
Volume
9.84652998203E+20
Height
9565556.216724