20856520 is an even 8-digits composite number following 20856519
and preceding 20856521 . In scientific notation, it is written as 2.0856520 × 10^7.
The sum of its digits is 28. It has a total of 6 prime factors and 32 positive divisors.
There are 8319168 positive integers (up to 20856520) that are relatively prime to 20856520.
20856520 has 32 divisors, whose sum is 47059200
The reverse of 20856520 is 02565802
Previous prime number is 859
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million eight hundred fifty-six thousand five hundred twenty
Scientific notation
2.0856520 × 10^7
Engineering notation
2.0856520 × 10^6
Prime Factorization
2 × 2 × 2 × 5 × 859 × 607
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
5214130
Product of the distinct prime numbers
The prime factorization of 20856520 is 2 × 2 × 2 × 5 × 859 × 607.
Since it has a total of 6 prime factors.
10 , 7 , 35 , 5 , 482 , 316 , 306 , 8709 , 8169 , 18866 , 169526 , 96137 , 5395422 , 8455965 , 51686933 , 74319519 , 800527133 , 305452299 , 4938679475 , 1587480369
n×2
41713040
n×3
62569560
n×4
83426080
n×5
104282600
n÷2
10428260
n÷3
6952173.3333333
n÷3
5214130
n÷5
4171304
n2
434994426510400
n3
9.0724699564027E+21
n4
1.8922015109511E+29
n5
3.9464738657182E+36
2 √n
4566.8939116209
3 √n
275.2626471426
4 √n
67.578797796505
5 √n
29.097010397874
1 , 2 , 4 , 5 , 8 , 10 , 20 , 40 , 607 , 859 , 1214 , 1718 , 2428 , 3035 , 3436 , 4295 , 4856 , 6070 , 6872 , 8590 , 12140 , 17180 , 24280 , 34360 , 521413 , 1042826 , 2085652 , 2607065 , 4171304 , 5214130 , 10428260 , 20856520
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20856519
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20856520 can be divided by 32 positive divisors.
The sum of these divisors (counting 20856520) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001111100011111011001000
3
Ternary
1110020121202201
4
Quaternary
1033203323020
5
Quinary
20314402040
6
Senary
2023005544
8
Octal
117437310
10
Decimal
20856520
12
Duodecimal
6b998b4
16
Hexadecimal
13e3ec8
20
Vigesimal
6a7160
36
Base36
cf0zs
md5
cd32b05609602d0b08ddb3b205bf0e6f
sha1
a4fe9c4e2161dc940b70ad6811e48911cc1d9772
sha256
e09d63f56173beb959fb9e566fecb0c252aba3427042382a0b43d7c841b68d7c
sha512
30307f1512d5112f5b7bf90f744e016c1eae48d176eb0c11c8c573d0aa93515ee1f950e76ca43ca727dcf11e8f1c8227800f6d51f34c53842d08b9b08219cbe6
ripemd-160
bbe8710be47dce978a7e5d46ed765aa701633a59
Diameter
41713040
Circumference
131045380.0229
Area
1.3665752946776E+15
Volume
3.8002673286598E+22
Surface area
5.4663011787103E+15
Circumference
131045380.0229
Perimeter
83426080
Area
434994426510400
Diagonal
29495573.447906
Surface area
2609966559062400
Volume
9.0724699564027E+21
Space diagonal
36124552.309076
Perimeter
62569560
Area
1.8835811193132E+14
Altitude
18062276.154538
Surface area
1.8835811193132E+14
Volume
1.0692008380473E+21
Height
9831857.8159686