20856724 is an even 8-digits composite number following 20856723
and preceding 20856725 . In scientific notation, it is written as 2.0856724 × 10^7.
The sum of its digits is 34. It has a total of 5 prime factors and 24 positive divisors.
There are 8877600 positive integers (up to 20856724) that are relatively prime to 20856724.
20856724 has 24 divisors, whose sum is 41998208
The reverse of 20856724 is 42765802
Previous prime number is 151
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty million eight hundred fifty-six thousand seven hundred twenty-four
Scientific notation
2.0856724 × 10^7
Engineering notation
2.0856724 × 10^6
Prime Factorization
2 × 2 × 7 × 151 × 4933
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10428362
Product of the distinct prime numbers
The prime factorization of 20856724 is 2 × 2 × 7 × 151 × 4933.
Since it has a total of 5 prime factors.
5 , 1 , 64 , 35 , 813 , 892 , 4522 , 6747 , 12711 , 18195 , 209373 , 343579 , 339741 , 6554435 , 84039895 , 38270412 , 789526621 , 824551016 , 1308620852 , 8243451731
n×2
41713448
n×3
62570172
n×4
83426896
n×5
104283620
n÷2
10428362
n÷3
6952241.3333333
n÷3
5214181
n÷5
4171344.8
n2
435002936012176
n3
9.0727361755956E+21
n4
1.8922755433921E+29
n5
3.946666874048E+36
2 √n
4566.9162462213
3 √n
275.26354459811
4 √n
67.57896304488
5 √n
29.097067317886
1 , 2 , 4 , 7 , 14 , 28 , 151 , 302 , 604 , 1057 , 2114 , 4228 , 4933 , 9866 , 19732 , 34531 , 69062 , 138124 , 744883 , 1489766 , 2979532 , 5214181 , 10428362 , 20856724
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
-20856723
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 20856724 can be divided by 24 positive divisors.
The sum of these divisors (counting 20856724) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001111100011111110010100
3
Ternary
1110020122001021
4
Quaternary
1033203332110
5
Quinary
20314403344
6
Senary
2023010524
8
Octal
117437624
10
Decimal
20856724
12
Duodecimal
6b99a44
16
Hexadecimal
13e3f94
20
Vigesimal
6a71g4
36
Base36
cf15g
md5
0cb8b560d36e26821666e4b4f46f3fa2
sha1
bc9433ddf55aa0062234c74ab4cb5b77e12f7eab
sha256
1b6c296b9eb5358cc8dd462d5351eb1f2beec741c8ad5127762d23c3dbd7f68c
sha512
3f23f63a45f97dc1d06e92e06c8d7af1d8bf9a55fe6ad8b7ffc7418ab6ede3245ef2a89433c24f5261ad87bdc9ed00406a6bb7f398352f3e8b6023e123459e84
ripemd-160
9725c9b046fc5f29c8fa0b2ab0ade9cdeb26dfcb
Diameter
41713448
Circumference
131046661.7927
Area
1.3666020280658E+15
Volume
3.8003788422946E+22
Surface area
5.4664081122634E+15
Circumference
131046661.7927
Perimeter
83426896
Area
435002936012176
Diagonal
29495861.947472
Surface area
2610017616073056
Volume
9.0727361755956E+21
Space diagonal
36124905.647441
Perimeter
62570172
Area
1.8836179665368E+14
Altitude
18062452.823721
Surface area
1.8836179665368E+14
Volume
1.06923221228E+21
Height
9831953.9824908