20802513 is an odd 8-digits composite number following 20802512
and preceding 20802514 . In scientific notation, it is written as 2.0802513 × 10^7.
The sum of its digits is 21. It has a total of 2 prime factors and 4 positive divisors.
There are 13868340 positive integers (up to 20802513) that are relatively prime to 20802513.
20802513 has 4 divisors, whose sum is 27736688
The reverse of 20802513 is 31520802
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty million eight hundred two thousand five hundred thirteen
Scientific notation
2.0802513 × 10^7
Engineering notation
2.0802513 × 10^6
Prime Factorization
3 × 6934171
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20802513
Product of the distinct prime numbers
The prime factorization of 20802513 is 3 × 6934171.
Since it has a total of 2 prime factors.
5 , 5 , 91 , 62 , 202 , 483 , 392 , 9287 , 83403 , 58987 , 281801 , 869008 , 1906202 , 9715100 , 65222710 , 5430006 , 676656712 , 409716322 , 5969296005 , 2614152617
n×2
41605026
n×3
62407539
n×4
83210052
n×5
104012565
n÷2
10401256.5
n÷3
6934171
n÷3
5200628.25
n÷5
4160502.6
n2
432744547115169
n3
9.0021740670424E+21
n4
1.8726784305791E+29
n5
3.8956417396942E+36
2 √n
4560.9771979259
3 √n
275.02484844338
4 √n
67.535007203123
5 √n
29.081925691077
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20802512
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20802513 can be divided by 4 positive divisors.
The sum of these divisors (counting 20802513) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001111010110101111010001
3
Ternary
1110010212200110
4
Quaternary
1033112233101
5
Quinary
20311140023
6
Senary
2021511533
8
Octal
117265721
10
Decimal
20802513
12
Duodecimal
6b725a9
16
Hexadecimal
13d6bd1
20
Vigesimal
6a065d
36
Base36
cdvbl
md5
80c48564bfa661c1ba8647bfce484b71
sha1
9e3a68d99d5ef4bb956b979530ed600cc9fd59f9
sha256
b5baa1586efa172b796cce6444d28593d5c050b19c4512162333f5f33857293c
sha512
51ef85671ec1f9a3d01adc5c3e8f4ed27253a09a9ac42311b73d11bcfcc4d296013bceb4ed74894c8e98093e0a9901a09a2a8db2616d9c9289b2a644671501b8
ripemd-160
7dc69562458dc9562b6ec4480bc80347594a0c2f
Diameter
41605026
Circumference
130706044.03401
Area
1.3595070900981E+15
Volume
3.7708218553809E+22
Surface area
5.4380283603922E+15
Circumference
130706044.03401
Perimeter
83210052
Area
432744547115169
Diagonal
29419196.016043
Surface area
2596467282691014
Volume
9.0021740670424E+21
Space diagonal
36031009.441112
Perimeter
62407539
Area
1.8738388557546E+14
Altitude
18015504.720556
Surface area
1.8738388557546E+14
Volume
1.0609163880379E+21
Height
9806398.6720142