20856828 is an even 8-digits composite number following 20856827
and preceding 20856829 . In scientific notation, it is written as 2.0856828 × 10^7.
The sum of its digits is 39. It has a total of 5 prime factors and 24 positive divisors.
There are 6908976 positive integers (up to 20856828) that are relatively prime to 20856828.
20856828 has 24 divisors, whose sum is 48969088
The reverse of 20856828 is 82865802
Previous prime number is 163
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty million eight hundred fifty-six thousand eight hundred twenty-eight
Scientific notation
2.0856828 × 10^7
Engineering notation
2.0856828 × 10^6
Prime Factorization
2 × 2 × 3 × 163 × 10663
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10428414
Product of the distinct prime numbers
The prime factorization of 20856828 is 2 × 2 × 3 × 163 × 10663.
Since it has a total of 5 prime factors.
2 , 3 , 65 , 58 , 703 , 335 , 9978 , 1693 , 97764 , 36475 , 653081 , 641894 , 6440828 , 1872464 , 51167878 , 82904472 , 458916894 , 414393236 , 3333546615 , 1153444144
n×2
41713656
n×3
62570484
n×4
83427312
n×5
104284140
n÷2
10428414
n÷3
6952276
n÷3
5214207
n÷5
4171365.6
n2
435007274221584
n3
9.0728718971884E+21
n4
1.8923132862569E+29
n5
3.9467652733575E+36
2 √n
4566.9276324461
3 √n
275.26400212221
4 √n
67.579047288684
5 √n
29.09709633576
1 , 2 , 3 , 4 , 6 , 12 , 163 , 326 , 489 , 652 , 978 , 1956 , 10663 , 21326 , 31989 , 42652 , 63978 , 127956 , 1738069 , 3476138 , 5214207 , 6952276 , 10428414 , 20856828
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20856827
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20856828 can be divided by 24 positive divisors.
The sum of these divisors (counting 20856828) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001111100011111111111100
3
Ternary
1110020122012010
4
Quaternary
1033203333330
5
Quinary
20314404303
6
Senary
2023011220
8
Octal
117437774
10
Decimal
20856828
12
Duodecimal
6b99b10
16
Hexadecimal
13e3ffc
20
Vigesimal
6a7218
36
Base36
cf18c
md5
12b0e557fca1ce59845a0f4688787973
sha1
061e3ce6ebe8359b3c06a64920b2791b402bf70c
sha256
41c0ac79512408d515bb8fa1925dde1fca2262c28bffdfa77131e352d3459b2f
sha512
4c5bb923829a355a88606cc7b895692863a3db4ee0aab46157f8edeeeb7af4f4154a08016f523e10320310192e6785a02691877f44d9ba39a83a3fd70611755e
ripemd-160
4082d6fcf6a3a8f071bca91d3815acc40c175625
Diameter
41713656
Circumference
131047315.24397
Area
1.3666156569526E+15
Volume
3.8004356932225E+22
Surface area
5.4664626278106E+15
Circumference
131047315.24397
Perimeter
83427312
Area
435007274221584
Diagonal
29496009.025683
Surface area
2610043645329504
Volume
9.0728718971884E+21
Space diagonal
36125085.780725
Perimeter
62570484
Area
1.8836367515346E+14
Altitude
18062542.890363
Surface area
1.8836367515346E+14
Volume
1.0692482072231E+21
Height
9832003.008561