20404855 is an odd 8-digits composite number following 20404854
and preceding 20404856 . In scientific notation, it is written as 2.0404855 × 10^7.
The sum of its digits is 28. It has a total of 4 prime factors and 12 positive divisors.
There are 15986192 positive integers (up to 20404855) that are relatively prime to 20404855.
20404855 has 12 divisors, whose sum is 24995880
The reverse of 20404855 is 55840402
Previous prime number is 263
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million four hundred four thousand eight hundred fifty-five
Scientific notation
2.0404855 × 10^7
Engineering notation
2.0404855 × 10^6
Prime Factorization
5 × 59 × 263 × 263
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
77585
Product of the distinct prime numbers
The prime factorization of 20404855 is 5 × 59 × 263 × 263.
Since it has a total of 4 prime factors.
8 , 2 , 16 , 15 , 401 , 316 , 3826 , 2611 , 46498 , 28095 , 533374 , 25352 , 35029 , 6749857 , 72980606 , 5233233 , 189775104 , 147281218 , 7398497044 , 2947848075
n×2
40809710
n×3
61214565
n×4
81619420
n×5
102024275
n÷2
10202427.5
n÷3
6801618.3333333
n÷3
5101213.75
n÷5
4080971
n2
416358107571025
n3
8.4957268130612E+21
n4
1.7335407374013E+29
n5
3.5372647383266E+36
2 √n
4517.1733418145
3 √n
273.26111599287
4 √n
67.209919965839
5 √n
28.969880422453
1 , 5 , 59 , 263 , 295 , 1315 , 15517 , 69169 , 77585 , 345845 , 4080971 , 20404855
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20404854
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20404855 can be divided by 12 positive divisors.
The sum of these divisors (counting 20404855) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001101110101101001110111
3
Ternary
1102101200012101
4
Quaternary
1031311221313
5
Quinary
20210423410
6
Senary
2005202531
8
Octal
115655167
10
Decimal
20404855
12
Duodecimal
6a00447
16
Hexadecimal
1375a77
20
Vigesimal
67ac2f
36
Base36
c5chj
md5
4ab2bef8460b4a280881b2c77310f124
sha1
2ccf6f4ab99a352ca22f28f4e571a09ac4c373df
sha256
bfef811dbd06bb331fb36c5481c4fbc44ac43c8e26e04d7c3627ce0ac4f9cb88
sha512
7fa771fa6133639bf9dc80f6da3b6704bd018ab4b73c2b83bbfceddde587c0df43c1111e85504ad311e739eefecef2af70fad8dfe88129604db85528bf37d7ca
ripemd-160
afa22f136c8e1377a4800beca10a73da03bec166
Diameter
40809710
Circumference
128207485.13113
Area
1.3080275720077E+15
Volume
3.5586817257092E+22
Surface area
5.2321102880307E+15
Circumference
128207485.13113
Perimeter
81619420
Area
416358107571025
Diagonal
28856822.679256
Surface area
2498148645426150
Volume
8.4957268130612E+21
Space diagonal
35342245.581076
Perimeter
61214565
Area
1.8028834911406E+14
Altitude
17671122.790538
Surface area
1.8028834911406E+14
Volume
1.0012310067707E+21
Height
9618940.8930855