20512205 is an odd 8-digits composite number following 20512204
and preceding 20512206 . In scientific notation, it is written as 2.0512205 × 10^7.
The sum of its digits is 17. It has a total of 4 prime factors and 16 positive divisors.
There are 13248576 positive integers (up to 20512205) that are relatively prime to 20512205.
20512205 has 16 divisors, whose sum is 22353408
The reverse of 20512205 is 50221502
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 17
Digital Root 8
Name
twenty million five hundred twelve thousand two hundred five
Scientific notation
2.0512205 × 10^7
Engineering notation
2.0512205 × 10^6
Prime Factorization
35 × 307 × 23 × 83
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20512205
Product of the distinct prime numbers
The prime factorization of 20512205 is 35 × 307 × 23 × 83.
Since it has a total of 4 prime factors.
10 , 8 , 6 , 7 , 169 , 505 , 857 , 194 , 9486 , 17860 , 708263 , 179134 , 8181415 , 9819633 , 43775039 , 40106251 , 907676320 , 801728670 , 1487747030 , 7736996316
n×2
41024410
n×3
61536615
n×4
82048820
n×5
102561025
n÷2
10256102.5
n÷3
6837401.6666667
n÷3
5128051.25
n÷5
4102441
n2
420750553962025
n3
8.6305216167326E+21
n4
1.7703102865935E+29
n5
3.6312967512215E+36
2 √n
4529.0401852931
3 √n
273.73948723555
4 √n
67.298143995902
5 √n
29.000298602183
1 , 23 , 35 , 83 , 307 , 805 , 1909 , 2905 , 7061 , 10745 , 25481 , 66815 , 247135 , 586063 , 891835 , 20512205
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
-20512204
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 20512205 can be divided by 16 positive divisors.
The sum of these divisors (counting 20512205) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001110001111110111001101
3
Ternary
1102121010110022
4
Quaternary
1032033313031
5
Quinary
20222342310
6
Senary
2011351525
8
Octal
116176715
10
Decimal
20512205
12
Duodecimal
6a525a5
16
Hexadecimal
138fdcd
20
Vigesimal
6840a5
36
Base36
c7nbh
md5
107b3116e3d701fdfe3a2ef21e0707c1
sha1
f57ebf8926b944cf2f8fa664246a8e5e7e2fd9c6
sha256
f6c2f9d3ce7d9516f147d7e3adbfef227a397b124783dd97cba602eea5a5a52c
sha512
b486ca1388f7fe65aa7411701577accb19fc163919167adf11634cf7df82091e58a97d11f87f239062f930be8d0d34240b98cae2d871be990d9e4faacd9ff1a0
ripemd-160
7e3e9a36ece0b409dda045e6c6a22ca7ec0faac7
Diameter
41024410
Circumference
128881985.07386
Area
1.3218268493209E+15
Volume
3.6151444410367E+22
Surface area
5.2873073972837E+15
Circumference
128881985.07386
Perimeter
82048820
Area
420750553962025
Diagonal
29008638.505177
Surface area
2524503323772150
Volume
8.6305216167326E+21
Space diagonal
35528181.235268
Perimeter
61536615
Area
1.8219033419374E+14
Altitude
17764090.617634
Surface area
1.8219033419374E+14
Volume
1.0171167267281E+21
Height
9669546.1683924