20856715 is an odd 8-digits composite number following 20856714
and preceding 20856716 . In scientific notation, it is written as 2.0856715 × 10^7.
The sum of its digits is 34. It has a total of 4 prime factors and 16 positive divisors.
There are 14705280 positive integers (up to 20856715) that are relatively prime to 20856715.
20856715 has 16 divisors, whose sum is 25860672
The reverse of 20856715 is 51765802
Previous prime number is 277
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty million eight hundred fifty-six thousand seven hundred fifteen
Scientific notation
2.0856715 × 10^7
Engineering notation
2.0856715 × 10^6
Prime Factorization
5 × 407 × 277 × 37
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20856715
Product of the distinct prime numbers
The prime factorization of 20856715 is 5 × 407 × 277 × 37.
Since it has a total of 4 prime factors.
2 , 4 , 33 , 99 , 655 , 55 , 4744 , 9904 , 29754 , 22788 , 957141 , 875166 , 5482828 , 3250546 , 47885742 , 5128794 , 781278233 , 628439928 , 4866445915 , 962847333
n×2
41713430
n×3
62570145
n×4
83426860
n×5
104283575
n÷2
10428357.5
n÷3
6952238.3333333
n÷3
5214178.75
n÷5
4171343
n2
435002560591225
n3
9.0727244305214E+21
n4
1.8922722772092E+29
n5
3.9466583588154E+36
2 √n
4566.9152608736
3 √n
275.26350500461
4 √n
67.578955754536
5 √n
29.097064806719
1 , 5 , 37 , 185 , 277 , 407 , 1385 , 2035 , 10249 , 15059 , 51245 , 75295 , 112739 , 563695 , 4171343 , 20856715
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20856714
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20856715 can be divided by 16 positive divisors.
The sum of these divisors (counting 20856715) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001111100011111110001011
3
Ternary
1110020122000221
4
Quaternary
1033203332023
5
Quinary
20314403330
6
Senary
2023010511
8
Octal
117437613
10
Decimal
20856715
12
Duodecimal
6b99a37
16
Hexadecimal
13e3f8b
20
Vigesimal
6a71ff
36
Base36
cf157
md5
107dd26f06a748d4eade17d28e425a8d
sha1
66e5bbdbe25e076698822b6561e88e3fcfacf4d6
sha256
cf63ecab48e90ad9a68e41d52dd038b15609347ea403529b3f382c914e328fe2
sha512
4f6c2d12e440f07d17703b1922b1debe7c757c847d1af4da35d220a7c543ecaef404a072f3c03a0138031aa4731b3935f1dcfb297a2351fe95f791038e8e72d3
ripemd-160
9ce8c00196ea7171f5bc596c614f733f5087ef61
Diameter
41713430
Circumference
131046605.24403
Area
1.3666008486461E+15
Volume
3.8003739225294E+22
Surface area
5.4664033945846E+15
Circumference
131046605.24403
Perimeter
83426860
Area
435002560591225
Diagonal
29495849.21955
Surface area
2610015363547350
Volume
9.0727244305214E+21
Space diagonal
36124890.058984
Perimeter
62570145
Area
1.8836163409164E+14
Altitude
18062445.029492
Surface area
1.8836163409164E+14
Volume
1.0692308281098E+21
Height
9831949.7398501