20809098 is an even 8-digits composite number following 20809097
and preceding 20809099 . In scientific notation, it is written as 2.0809098 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 6922944 positive integers (up to 20809098) that are relatively prime to 20809098.
20809098 has 16 divisors, whose sum is 34749000
The reverse of 20809098 is 89090802
Previous prime number is 809
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty million eight hundred nine thousand ninety-eight
Scientific notation
2.0809098 × 10^7
Engineering notation
2.0809098 × 10^6
Prime Factorization
2 × 9 × 809 × 1429
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20809098
Product of the distinct prime numbers
The prime factorization of 20809098 is 2 × 9 × 809 × 1429.
Since it has a total of 4 prime factors.
8 , 10 , 20 , 44 , 926 , 355 , 6838 , 8620 , 91421 , 40721 , 13082 , 538941 , 9191956 , 2611918 , 95661183 , 81593149 , 95896143 , 738086526 , 7962744255 , 5569186662
n×2
41618196
n×3
62427294
n×4
83236392
n×5
104045490
n÷2
10404549
n÷3
6936366
n÷3
5202274.5
n÷5
4161819.6
n2
433018559573604
n3
9.010725641986E+21
n4
1.875050729352E+29
n5
3.9018114382057E+36
2 √n
4561.6990255825
3 √n
275.05386493075
4 √n
67.540351091643
5 √n
29.083766624786
1 , 2 , 9 , 18 , 809 , 1429 , 1618 , 2858 , 7281 , 12861 , 14562 , 25722 , 1156061 , 2312122 , 10404549 , 20809098
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20809097
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20809098 can be divided by 16 positive divisors.
The sum of these divisors (counting 20809098) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001111011000010110001010
3
Ternary
1110011012201100
4
Quaternary
1033120112022
5
Quinary
20311342343
6
Senary
2022002230
8
Octal
117302612
10
Decimal
20809098
12
Duodecimal
6b76376
16
Hexadecimal
13d858a
20
Vigesimal
6a12ei
36
Base36
ce0ei
md5
e5d2074d7ae0a06c71e56f218583100e
sha1
8915e0ed46d7d4bdf22d6c1a1a43beb927cbd443
sha256
6a527eebe377e2a32daa99753ac4e47500865fa25e94d920ce83451dadeca9f0
sha512
907ac550ed0e221b9800c2b48afd461f78070779d7183bf44daf2c4e407c0f47cfa7dab713fb68d41c9c7b0f730d5e8c3a83ec1c0c7abe4c6a5185e21223b4ac
ripemd-160
d5970bb64f447c9320ce31473f7b02fe7f3b3a9a
Diameter
41618196
Circumference
130747418.80926
Area
1.3603679256245E+15
Volume
3.7744039307168E+22
Surface area
5.4414717024979E+15
Circumference
130747418.80926
Perimeter
83236392
Area
433018559573604
Diagonal
29428508.612351
Surface area
2598111357441624
Volume
9.010725641986E+21
Space diagonal
36042414.99568
Perimeter
62427294
Area
1.8750253645044E+14
Altitude
18021207.49784
Surface area
1.8750253645044E+14
Volume
1.06192420081E+21
Height
9809502.8707836