20210255 is an odd 8-digits composite number following 20210254
and preceding 20210256 . In scientific notation, it is written as 2.0210255 × 10^7.
The sum of its digits is 17. It has a total of 3 prime factors and 8 positive divisors.
There are 14924448 positive integers (up to 20210255) that are relatively prime to 20210255.
20210255 has 8 divisors, whose sum is 26117952
The reverse of 20210255 is 55201202
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 17
Digital Root 8
Name
twenty million two hundred ten thousand two hundred fifty-five
Scientific notation
2.0210255 × 10^7
Engineering notation
2.0210255 × 10^6
Prime Factorization
5 × 13 × 310927
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20210255
Product of the distinct prime numbers
The prime factorization of 20210255 is 5 × 13 × 310927.
Since it has a total of 3 prime factors.
4 , 7 , 19 , 28 , 937 , 685 , 2635 , 1428 , 6342 , 36965 , 66634 , 375799 , 6009963 , 9009528 , 19341773 , 99597819 , 923239700 , 290214854 , 6057017213 , 4902894382
n×2
40420510
n×3
60630765
n×4
80841020
n×5
101051275
n÷2
10105127.5
n÷3
6736751.6666667
n÷3
5052563.75
n÷5
4042051
n2
408454407165025
n3
8.254967724679E+21
n4
1.6683500273253E+29
n5
3.3717779481502E+36
2 √n
4495.5817198667
3 √n
272.38964754304
4 √n
67.049099321816
5 √n
28.914411578597
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20210254
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20210255 can be divided by 8 positive divisors.
The sum of these divisors (counting 20210255) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101000110001001001111
3
Ternary
1102000210020222
4
Quaternary
1031012021033
5
Quinary
20133212010
6
Senary
2001101555
8
Octal
115061117
10
Decimal
20210255
12
Duodecimal
69278bb
16
Hexadecimal
134624f
20
Vigesimal
6665cf
36
Base36
c16bz
md5
79e4c4cfaa6452d537f4ac1969dc9661
sha1
b5574144cf033ccf5e9fce8b1c8b80a4a10a76db
sha256
dec52222e3878cceda395475fca9c70806e1fa20fc302842d43153ccb3cbd289
sha512
3962cefed5cd3e193bdfe65a9f1e288273c9f5b427ea472b459689670cafa843f14af54700cb6e2d594ab0337d44e43aa5e1794bc576de1e5a2e090a85711bb8
ripemd-160
4e7facdb7c5cd427e0ab70d28e68b9298b7d5d6a
Diameter
40420510
Circumference
126984777.27035
Area
1.283197364876E+15
Volume
3.4578327945963E+22
Surface area
5.1327894595041E+15
Circumference
126984777.27035
Perimeter
80841020
Area
408454407165025
Diagonal
28581616.720019
Surface area
2450726442990150
Volume
8.254967724679E+21
Space diagonal
35005188.493923
Perimeter
60630765
Area
1.7686594644631E+14
Altitude
17502594.246961
Surface area
1.7686594644631E+14
Volume
9.7285727609943E+20
Height
9527205.5733396