20815315 is an odd 8-digits composite number following 20815314
and preceding 20815316 . In scientific notation, it is written as 2.0815315 × 10^7.
The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors.
There are 16441152 positive integers (up to 20815315) that are relatively prime to 20815315.
20815315 has 8 divisors, whose sum is 25295040
The reverse of 20815315 is 51351802
Previous prime number is 79
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million eight hundred fifteen thousand three hundred fifteen
Scientific notation
2.0815315 × 10^7
Engineering notation
2.0815315 × 10^6
Prime Factorization
5 × 79 × 52697
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20815315
Product of the distinct prime numbers
The prime factorization of 20815315 is 5 × 79 × 52697.
Since it has a total of 3 prime factors.
8 , 10 , 50 , 98 , 908 , 779 , 8744 , 8646 , 30230 , 70540 , 388175 , 502469 , 4835083 , 6523500 , 78042652 , 58577707 , 501338175 , 570759013 , 6162589646 , 9518314485
n×2
41630630
n×3
62445945
n×4
83261260
n×5
104076575
n÷2
10407657.5
n÷3
6938438.3333333
n÷3
5203828.75
n÷5
4163063
n2
433277338549225
n3
9.0188042842638E+21
n4
1.877292521003E+29
n5
3.9076435171822E+36
2 √n
4562.3804093916
3 √n
275.08125422637
4 √n
67.545395175331
5 √n
29.085504251018
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
-20815314
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 20815315 can be divided by 8 positive divisors.
The sum of these divisors (counting 20815315) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001111011001110111010011
3
Ternary
1110011112020121
4
Quaternary
1033121313103
5
Quinary
20312042230
6
Senary
2022051111
8
Octal
117316723
10
Decimal
20815315
12
Duodecimal
6b79a97
16
Hexadecimal
13d9dd3
20
Vigesimal
6a1i5f
36
Base36
ce577
md5
55fbfc5579cc91fc24d8cfc9820f6898
sha1
59eba19873a5e535c47e720384ff7ad283dd64dc
sha256
0c06790728c5e883cfca3c7d74c2d42d7f114619e445dcf5565571aa9db24bad
sha512
53f577a9d10e98e8931e1b9cd2380c267b0f8762875816bd44e7673f7005bd5695e74ae70aa49ecc0fadbc5e6dd583dbecd7aeef31ae7a016144379c41d9220e
ripemd-160
96f8b67f3b1fe4d4ec3dd099ac7b83c5e7a0aab9
Diameter
41630630
Circumference
130786481.37231
Area
1.3611809037532E+15
Volume
3.777787904481E+22
Surface area
5.4447236150127E+15
Circumference
130786481.37231
Perimeter
83261260
Area
433277338549225
Diagonal
29437300.778068
Surface area
2599664031295350
Volume
9.0188042842638E+21
Space diagonal
36053183.155551
Perimeter
62445945
Area
1.8761459103387E+14
Altitude
18026591.577775
Surface area
1.8761459103387E+14
Volume
1.0628762779329E+21
Height
9812433.5926894