20520811 is an odd 8-digits composite number following 20520810
and preceding 20520812 . In scientific notation, it is written as 2.0520811 × 10^7.
The sum of its digits is 19. It has a total of 3 prime factors and 8 positive divisors.
There are 19805760 positive integers (up to 20520811) that are relatively prime to 20520811.
20520811 has 8 divisors, whose sum is 21248064
The reverse of 20520811 is 11802502
Previous prime number is 73
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 19
Digital Root 1
Name
twenty million five hundred twenty thousand eight hundred eleven
Scientific notation
2.0520811 × 10^7
Engineering notation
2.0520811 × 10^6
Prime Factorization
47 × 73 × 5981
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20520811
Product of the distinct prime numbers
The prime factorization of 20520811 is 47 × 73 × 5981.
Since it has a total of 3 prime factors.
9 , 3 , 15 , 92 , 686 , 857 , 7353 , 6363 , 69793 , 26234 , 346542 , 872352 , 5563295 , 1303111 , 69242413 , 77414622 , 636939101 , 454794823 , 6239458381 , 6599539780
n×2
41041622
n×3
61562433
n×4
82083244
n×5
102604055
n÷2
10260405.5
n÷3
6840270.3333333
n÷3
5130202.75
n÷5
4104162.2
n2
421103684097721
n3
8.641389112773E+21
n4
1.7732831276067E+29
n5
3.6389207911107E+36
2 √n
4529.9901765898
3 √n
273.77776481453
4 √n
67.30520170529
5 √n
29.002731638474
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
-20520810
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 20520811 can be divided by 8 positive divisors.
The sum of these divisors (counting 20520811) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001110010001111101101011
3
Ternary
1102121120021001
4
Quaternary
1032101331223
5
Quinary
20223131221
6
Senary
2011455431
8
Octal
116217553
10
Decimal
20520811
12
Duodecimal
6a57577
16
Hexadecimal
1391f6b
20
Vigesimal
68520b
36
Base36
c7tyj
md5
b93f3afa6cd91273a7bd068ef0e167e9
sha1
3bbdb0d42a596b48eb6aee8cc08ff3421fe8bae8
sha256
23db806070a1eebf2b56e7f20db3c7869e999b780e682fd9c5d83c3af8659389
sha512
a0166093319663b481d5c0f626d87326616e81be0d4f4c63463f0de7924981c563e66b346bfd6f39db0116f30bec74d50696ef14b042537813166e4fe6c2964e
ripemd-160
974b3d9568481ebf9022b3fd083f9b7a2b57b6b7
Diameter
41041622
Circumference
128936058.16661
Area
1.322936240361E+15
Volume
3.6196966071331E+22
Surface area
5.291744961444E+15
Circumference
128936058.16661
Perimeter
82083244
Area
421103684097721
Diagonal
29020809.227095
Surface area
2526622104586326
Volume
8.641389112773E+21
Space diagonal
35543087.264518
Perimeter
61562433
Area
1.8234324402792E+14
Altitude
17771543.632259
Surface area
1.8234324402792E+14
Volume
1.0183974734189E+21
Height
9673603.0756983