20402775 is an odd 8-digits composite number following 20402774
and preceding 20402776 . In scientific notation, it is written as 2.0402775 × 10^7.
The sum of its digits is 27. It has a total of 2 prime factors and 4 positive divisors.
There are 10881360 positive integers (up to 20402775) that are relatively prime to 20402775.
20402775 has 4 divisors, whose sum is 20493680
The reverse of 20402775 is 57720402
Previous prime number is 225
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million four hundred two thousand seven hundred seventy-five
Scientific notation
2.0402775 × 10^7
Engineering notation
2.0402775 × 10^6
Prime Factorization
225 × 90679
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20402775
Product of the distinct prime numbers
The prime factorization of 20402775 is 225 × 90679.
Since it has a total of 2 prime factors.
10 , 3 , 51 , 24 , 759 , 428 , 3607 , 7773 , 11800 , 57027 , 285291 , 204309 , 1536303 , 3656033 , 17593253 , 93383980 , 238570826 , 88743965 , 4193217590 , 3980007857
n×2
40805550
n×3
61208325
n×4
81611100
n×5
102013875
n÷2
10201387.5
n÷3
6800925
n÷3
5100693.75
n÷5
4080555
n2
416273227700625
n3
8.4931290032996E+21
n4
1.732834001003E+29
n5
3.5354622234813E+36
2 √n
4516.9431034716
3 √n
273.25183058121
4 √n
67.20820711395
5 √n
28.969289780584
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
-20402774
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 20402775 can be divided by 4 positive divisors.
The sum of these divisors (counting 20402775) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101110101001001010111
3
Ternary
1102101120100100
4
Quaternary
1031311021113
5
Quinary
20210342100
6
Senary
2005145143
8
Octal
115651127
10
Decimal
20402775
12
Duodecimal
69bb1b3
16
Hexadecimal
1375257
20
Vigesimal
67a6if
36
Base36
c5avr
md5
3a9827fb6a8aef5e2698146721923cd7
sha1
2cdb9f670c8cd0b6f5b18cf4c28a4a708ada6cd2
sha256
3b2c205b2675b3669e93925a725b9350a65db4638d35f76a8ecd84bc354cc5d9
sha512
83cb5bf621841ed8b3aff249ea13ed41b1225787e766b2525966ed0179455b277ef1c49c9421466ef649b82ddce03496e793fff02ca6ad0a718ffef5a82af94a
ripemd-160
b47df0d7928fe630739f8c9ca845fc0f2b1da340
Diameter
40805550
Circumference
128194416.10569
Area
1.3077609140304E+15
Volume
3.5575935577009E+22
Surface area
5.2310436561216E+15
Circumference
128194416.10569
Perimeter
81611100
Area
416273227700625
Diagonal
28853881.115047
Surface area
2497639366203750
Volume
8.4931290032996E+21
Space diagonal
35338642.915396
Perimeter
61208325
Area
1.8025159505204E+14
Altitude
17669321.457698
Surface area
1.8025159505204E+14
Volume
1.0009248519542E+21
Height
9617960.3716822