20402815 is an odd 8-digits composite number following 20402814
and preceding 20402816 . In scientific notation, it is written as 2.0402815 × 10^7.
The sum of its digits is 22. It has a total of 3 prime factors and 8 positive divisors.
There are 16306080 positive integers (up to 20402815) that are relatively prime to 20402815.
20402815 has 8 divisors, whose sum is 24507648
The reverse of 20402815 is 51820402
Previous prime number is 2111
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty million four hundred two thousand eight hundred fifteen
Scientific notation
2.0402815 × 10^7
Engineering notation
2.0402815 × 10^6
Prime Factorization
5 × 2111 × 1933
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20402815
Product of the distinct prime numbers
The prime factorization of 20402815 is 5 × 2111 × 1933.
Since it has a total of 3 prime factors.
2 , 5 , 5 , 77 , 194 , 985 , 607 , 2343 , 93463 , 9832 , 800222 , 829066 , 1933205 , 5086270 , 11269938 , 57952075 , 913299412 , 70118294 , 5790450760 , 9737862474
n×2
40805630
n×3
61208445
n×4
81611260
n×5
102014075
n÷2
10201407.5
n÷3
6800938.3333333
n÷3
5100703.75
n÷5
4080563
n2
416274859924225
n3
8.4931789561849E+21
n4
1.7328475900493E+29
n5
3.5354968802972E+36
2 √n
4516.9475312428
3 √n
273.25200915277
4 √n
67.208240054645
5 √n
28.969301139536
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
-20402814
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 20402815 can be divided by 8 positive divisors.
The sum of these divisors (counting 20402815) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101110101001001111111
3
Ternary
1102101120101211
4
Quaternary
1031311021333
5
Quinary
20210342230
6
Senary
2005145251
8
Octal
115651177
10
Decimal
20402815
12
Duodecimal
69bb227
16
Hexadecimal
137527f
20
Vigesimal
67a70f
36
Base36
c5awv
md5
06301c7336c2236e1bfe3bf11f2ce1e4
sha1
1c547f8e39fe14e5d69021a70f18546b365e42b6
sha256
97a67b964f062bb04f32cd950bec312de075cf904e758db560eeb3c7a7ce82bc
sha512
ca512fc31f19be1faed32810d0f5c532b606d8700498ec71967b5b7a7611b2e481333800b0d53570dca8f484e681019d24fef10558c8ccb092919f8c20ef0647
ripemd-160
8a8c3e0935a95f59bf263fe73782b28f89fd3354
Diameter
40805630
Circumference
128194667.4331
Area
1.3077660418121E+15
Volume
3.5576144819165E+22
Surface area
5.2310641672483E+15
Circumference
128194667.4331
Perimeter
81611260
Area
416274859924225
Diagonal
28853937.683589
Surface area
2497649159545350
Volume
8.4931789561849E+21
Space diagonal
35338712.197428
Perimeter
61208445
Area
1.8025230182559E+14
Altitude
17669356.098714
Surface area
1.8025230182559E+14
Volume
1.0009307389582E+21
Height
9617979.2278631