20856564 is an even 8-digits composite number following 20856563
and preceding 20856565 . In scientific notation, it is written as 2.0856564 × 10^7.
The sum of its digits is 36. It has a total of 5 prime factors and 24 positive divisors.
There are 6847632 positive integers (up to 20856564) that are relatively prime to 20856564.
20856564 has 24 divisors, whose sum is 41164480
The reverse of 20856564 is 46565802
Previous prime number is 67
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty million eight hundred fifty-six thousand five hundred sixty-four
Scientific notation
2.0856564 × 10^7
Engineering notation
2.0856564 × 10^6
Prime Factorization
2 × 2 × 9 × 67 × 8647
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10428282
Product of the distinct prime numbers
The prime factorization of 20856564 is 2 × 2 × 9 × 67 × 8647.
Since it has a total of 5 prime factors.
2 , 7 , 91 , 58 , 887 , 252 , 4764 , 5028 , 11996 , 51184 , 294668 , 551806 , 2149969 , 2750750 , 6067672 , 65361419 , 150211270 , 796795924 , 2533411713 , 6173747536
n×2
41713128
n×3
62569692
n×4
83426256
n×5
104282820
n÷2
10428282
n÷3
6952188
n÷3
5214141
n÷5
4171312.8
n2
434996261886096
n3
9.0725273757881E+21
n4
1.8922174785488E+29
n5
3.9465154943271E+36
2 √n
4566.8987288969
3 √n
275.26284071193
4 √n
67.578833438414
5 √n
29.097022674777
1 , 2 , 4 , 9 , 18 , 36 , 67 , 134 , 268 , 603 , 1206 , 2412 , 8647 , 17294 , 34588 , 77823 , 155646 , 311292 , 579349 , 1158698 , 2317396 , 5214141 , 10428282 , 20856564
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
-20856563
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 20856564 can be divided by 24 positive divisors.
The sum of these divisors (counting 20856564) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001111100011111011110100
3
Ternary
1110020121211100
4
Quaternary
1033203323310
5
Quinary
20314402224
6
Senary
2023010100
8
Octal
117437364
10
Decimal
20856564
12
Duodecimal
6b99930
16
Hexadecimal
13e3ef4
20
Vigesimal
6a7184
36
Base36
cf110
md5
4cc89fb70cebac1026137e675aab5b58
sha1
f6a6c3c38acb39b408967cf1819f2af667fba710
sha256
4649cd986731aad334492eef68fe3760bf654ba13c977485a17368eea4f96f43
sha512
4109f1894e5c44866351407c55d1daab5c0da2fcdd1ae57088508387f17d85dd69b8d38b3a524333372f57bc328164a2e5beb1e6e2e382e6c57e742627c18c25
ripemd-160
9cf1909bf259cca53faa26e44ea2d835d0916a6c
Diameter
41713128
Circumference
131045656.48305
Area
1.3665810606804E+15
Volume
3.8002913804358E+22
Surface area
5.4663242427215E+15
Circumference
131045656.48305
Perimeter
83426256
Area
434996261886096
Diagonal
29495635.673302
Surface area
2609977571316576
Volume
9.0725273757881E+21
Space diagonal
36124628.519312
Perimeter
62569692
Area
1.8835890667231E+14
Altitude
18062314.259656
Surface area
1.8835890667231E+14
Volume
1.0692076049867E+21
Height
9831878.5577675