20405775 is an odd 8-digits composite number following 20405774
and preceding 20405776 . In scientific notation, it is written as 2.0405775 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 10045440 positive integers (up to 20405775) that are relatively prime to 20405775.
20405775 has 16 divisors, whose sum is 28129920
The reverse of 20405775 is 57750402
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million four hundred five thousand seven hundred seventy-five
Scientific notation
2.0405775 × 10^7
Engineering notation
2.0405775 × 10^6
Prime Factorization
15 × 5 × 13 × 20929
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20405775
Product of the distinct prime numbers
The prime factorization of 20405775 is 15 × 5 × 13 × 20929.
Since it has a total of 4 prime factors.
10 , 2 , 64 , 13 , 443 , 331 , 2447 , 408 , 13836 , 16518 , 7189 , 525554 , 7957402 , 3332995 , 47591155 , 62242265 , 120252756 , 173074785 , 3235553906 , 2164071400
n×2
40811550
n×3
61217325
n×4
81623100
n×5
102028875
n÷2
10202887.5
n÷3
6801925
n÷3
5101443.75
n÷5
4081155
n2
416395653350625
n3
8.4968760132508E+21
n4
1.7338534012929E+29
n5
3.5380622389768E+36
2 √n
4517.2751742616
3 √n
273.2652228006
4 √n
67.210677531636
5 √n
28.970141652531
1 , 5 , 13 , 15 , 65 , 75 , 195 , 975 , 20929 , 104645 , 272077 , 313935 , 1360385 , 1569675 , 4081155 , 20405775
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
-20405774
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 20405775 can be divided by 16 positive divisors.
The sum of these divisors (counting 20405775) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101110101111000001111
3
Ternary
1102101201110110
4
Quaternary
1031311320033
5
Quinary
20210441100
6
Senary
2005211103
8
Octal
115657017
10
Decimal
20405775
12
Duodecimal
6a00a93
16
Hexadecimal
1375e0f
20
Vigesimal
67ae8f
36
Base36
c5d73
md5
3d8d3ab8769357a46daa8df746ac73c2
sha1
23505981a788bd1c484c01fc3a2a2ebb09367cf2
sha256
c70b40bb529d9130e254cc7e620a976dbe4989e7b515f18669086552a881cc1a
sha512
facfc635173bba85383f6c3e8beb6eee067ffb0bebc4ea8e2579fc0592bc5a5c195de8eca4e8c1233403334688747ff97740058653252f380ac2b42ed08bd9a1
ripemd-160
9a9c95cc4e1cd17640a4e203363e88b6c744f3c4
Diameter
40811550
Circumference
128213265.66161
Area
1.308145525553E+15
Volume
3.559163101559E+22
Surface area
5.2325821022122E+15
Circumference
128213265.66161
Perimeter
81623100
Area
416395653350625
Diagonal
28858123.755734
Surface area
2498373920103750
Volume
8.4968760132508E+21
Space diagonal
35343839.067819
Perimeter
61217325
Area
1.8030460691353E+14
Altitude
17671919.533909
Surface area
1.8030460691353E+14
Volume
1.0013664413118E+21
Height
9619374.5852446