20856742 is an even 8-digits composite number following 20856741
and preceding 20856743 . In scientific notation, it is written as 2.0856742 × 10^7.
The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors.
There are 10068744 positive integers (up to 20856742) that are relatively prime to 20856742.
20856742 has 8 divisors, whose sum is 32364000
The reverse of 20856742 is 24765802
Previous prime number is 29
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 forty-two
Scientific notation
2.0856742 × 10^7
Engineering notation
2.0856742 × 10^6
Prime Factorization
2 × 29 × 359599
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20856742
Product of the distinct prime numbers
The prime factorization of 20856742 is 2 × 29 × 359599.
Since it has a total of 3 prime factors.
2 , 10 , 8 , 54 , 240 , 143 , 4141 , 2832 , 32018 , 18775 , 646431 , 568385 , 5143180 , 8287761 , 87095116 , 68695864 , 891301948 , 400723865 , 1553278883 , 4485349572
n×2
41713484
n×3
62570226
n×4
83426968
n×5
104283710
n÷2
10428371
n÷3
6952247.3333333
n÷3
5214185.5
n÷5
4171348.4
n2
435003686854564
n3
9.0727596657744E+21
n4
1.8922820757706E+29
n5
3.9466839045573E+36
2 √n
4566.9182169161
3 √n
275.26362378509
4 √n
67.578977625561
5 √n
29.097072340219
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20856741
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20856742 can be divided by 8 positive divisors.
The sum of these divisors (counting 20856742) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001111100011111110100110
3
Ternary
1110020122001221
4
Quaternary
1033203332212
5
Quinary
20314403432
6
Senary
2023010554
8
Octal
117437646
10
Decimal
20856742
12
Duodecimal
6b99a5a
16
Hexadecimal
13e3fa6
20
Vigesimal
6a71h2
36
Base36
cf15y
md5
787d4fcdbc51a6665bae6ad8e09e9f0f
sha1
278f70542ba942b85c086548362c1c760f28b14f
sha256
22eec4aec29e603009e6e821aef9ae86603318e579b9a9f6427f0e612b264b40
sha512
2e65435902ded5dae95c09bb15aabeadad89e0b09dc3e77eac6253060ccb38b6fe77fd5f8626cfb822828528c6c782d27eb11feb91fca9b1b2267029a2550a17
ripemd-160
711b59ee25f287802beeece4167b3d687ea04683
Diameter
41713484
Circumference
131046774.89004
Area
1.3666043869068E+15
Volume
3.8003886818377E+22
Surface area
5.4664175476271E+15
Circumference
131046774.89004
Perimeter
83426968
Area
435003686854564
Diagonal
29495887.403317
Surface area
2610022121127384
Volume
9.0727596657744E+21
Space diagonal
36124936.824356
Perimeter
62570226
Area
1.8836212177797E+14
Altitude
18062468.412178
Surface area
1.8836212177797E+14
Volume
1.0692349806241E+21
Height
9831962.4677722