20218255 is an odd 8-digits composite number following 20218254
and preceding 20218256 . In scientific notation, it is written as 2.0218255 × 10^7.
The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors.
There are 15932928 positive integers (up to 20218255) that are relatively prime to 20218255.
20218255 has 8 divisors, whose sum is 24624432
The reverse of 20218255 is 55281202
Previous prime number is 67
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million two hundred eighteen thousand two hundred fifty-five
Scientific notation
2.0218255 × 10^7
Engineering notation
2.0218255 × 10^6
Prime Factorization
5 × 67 × 60353
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20218255
Product of the distinct prime numbers
The prime factorization of 20218255 is 5 × 67 × 60353.
Since it has a total of 3 prime factors.
9 , 1 , 89 , 83 , 385 , 828 , 3142 , 4378 , 20598 , 12190 , 135603 , 301252 , 2335170 , 4772771 , 86066885 , 35975120 , 38159784 , 687759295 , 4793157216 , 9752230967
n×2
40436510
n×3
60654765
n×4
80873020
n×5
101091275
n÷2
10109127.5
n÷3
6739418.3333333
n÷3
5054563.75
n÷5
4043651
n2
408777835245025
n3
8.2647745113319E+21
n4
1.6709931858761E+29
n5
3.3784566335305E+36
2 √n
4496.4713943269
3 √n
272.42558358503
4 √n
67.055733493318
5 √n
28.916700304553
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
-20218254
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 20218255 can be divided by 8 positive divisors.
The sum of these divisors (counting 20218255) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101001000000110001111
3
Ternary
1102001012020021
4
Quaternary
1031020012033
5
Quinary
20133441010
6
Senary
2001203011
8
Octal
115100617
10
Decimal
20218255
12
Duodecimal
6930467
16
Hexadecimal
134818f
20
Vigesimal
6675cf
36
Base36
c1ci7
md5
504f8790499d1b20c20d43858a3891e8
sha1
2f8d299f128fec11fba0557144515572975a8b56
sha256
2ef932d6f3028250a24ba69f836a5e7860cc12f39905bb60d09fe19ac3a8cfd5
sha512
e486263c20a61f8b0b1ec70d897d30281527ea882b7c443f5a6b67c00a05974a19fe420c05302d6e9050910f82d93a3048dab57a1b6f108cc93c5441c5988175
ripemd-160
1e86b1ebca064c15411e128da0dfa1acc9e948b7
Diameter
40436510
Circumference
127035042.75281
Area
1.2842134441561E+15
Volume
3.4619406517835E+22
Surface area
5.1368537766244E+15
Circumference
127035042.75281
Perimeter
80873020
Area
408777835245025
Diagonal
28592930.428518
Surface area
2452667011470150
Volume
8.2647745113319E+21
Space diagonal
35019044.900383
Perimeter
60654765
Area
1.770059949131E+14
Altitude
17509522.450192
Surface area
1.770059949131E+14
Volume
9.7401301699009E+20
Height
9530976.8095059