20807515 is an odd 8-digits composite number following 20807514
and preceding 20807516 . In scientific notation, it is written as 2.0807515 × 10^7.
The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors.
There are 16480800 positive integers (up to 20807515) that are relatively prime to 20807515.
20807515 has 8 divisors, whose sum is 25216848
The reverse of 20807515 is 51570802
Previous prime number is 101
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million eight hundred seven thousand five hundred fifteen
Scientific notation
2.0807515 × 10^7
Engineering notation
2.0807515 × 10^6
Prime Factorization
5 × 101 × 41203
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20807515
Product of the distinct prime numbers
The prime factorization of 20807515 is 5 × 101 × 41203.
Since it has a total of 3 prime factors.
5 , 7 , 63 , 19 , 107 , 504 , 1776 , 5834 , 82555 , 85185 , 76787 , 267539 , 8185027 , 6784807 , 32641166 , 51932492 , 969812515 , 402712082 , 4386872969 , 8059472286
n×2
41615030
n×3
62422545
n×4
83230060
n×5
104037575
n÷2
10403757.5
n÷3
6935838.3333333
n÷3
5201878.75
n÷5
4161503
n2
432952680475225
n3
9.0086693932785E+21
n4
1.8744802353068E+29
n5
3.900327561335E+36
2 √n
4561.5255123697
3 √n
275.04689007597
4 √n
67.539066564247
5 √n
29.083324116384
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
-20807514
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 20807515 can be divided by 8 positive divisors.
The sum of these divisors (counting 20807515) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001111010111111101011011
3
Ternary
1110011010112201
4
Quaternary
1033113331123
5
Quinary
20311320030
6
Senary
2021551031
8
Octal
117277533
10
Decimal
20807515
12
Duodecimal
6b75477
16
Hexadecimal
13d7f5b
20
Vigesimal
6a0iff
36
Base36
cdz6j
md5
2adf9a73e12e57b7031ba9d4c3c00d4e
sha1
41243bb0027c924322ad028231e164119e4c35ff
sha256
2ed30650ed59e55b8bfc3a87e873e5b0a9b1e52f062dc909155870baf372d9c3
sha512
fe3254ede6048ee197008421e67a09ee9a504d69381e8caafb6bb569ff7a3d631c16a4538a4e06cde594422e22185297262f51107444b56569514c4244f0c56a
ripemd-160
529ef348beece6ead3a36d1f17b3295508c5d9e9
Diameter
41615030
Circumference
130737472.52692
Area
1.360160960333E+15
Volume
3.7735426112724E+22
Surface area
5.4406438413319E+15
Circumference
130737472.52692
Perimeter
83230060
Area
432952680475225
Diagonal
29426269.912282
Surface area
2597716082851350
Volume
9.0086693932785E+21
Space diagonal
36039673.159252
Perimeter
62422545
Area
1.8747400996406E+14
Altitude
18019836.579626
Surface area
1.8747400996406E+14
Volume
1.0616818695758E+21
Height
9808756.6374272