20854638 is an even 8-digits composite number following 20854637
and preceding 20854639 . In scientific notation, it is written as 2.0854638 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 5958360 positive integers (up to 20854638) that are relatively prime to 20854638.
20854638 has 16 divisors, whose sum is 37075584
The reverse of 20854638 is 83645802
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty million eight hundred fifty-four thousand six hundred thirty-eight
Scientific notation
2.0854638 × 10^7
Engineering notation
2.0854638 × 10^6
Prime Factorization
2 × 27 × 7 × 55171
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20854638
Product of the distinct prime numbers
The prime factorization of 20854638 is 2 × 27 × 7 × 55171.
Since it has a total of 4 prime factors.
4 , 7 , 55 , 76 , 491 , 799 , 3630 , 2798 , 4133 , 43277 , 475358 , 765321 , 1915492 , 5163929 , 54876852 , 48550201 , 376620973 , 785686055 , 8245650284 , 1231096687
n×2
41709276
n×3
62563914
n×4
83418552
n×5
104273190
n÷2
10427319
n÷3
6951546
n÷3
5213659.5
n÷5
4170927.6
n2
434915926111044
n3
9.0700141994806E+21
n4
1.8915186278503E+29
n5
3.9446936254074E+36
2 √n
4566.6878588316
3 √n
275.25436739946
4 √n
67.577273242057
5 √n
29.096485261847
1 , 2 , 7 , 14 , 27 , 54 , 189 , 378 , 55171 , 110342 , 386197 , 772394 , 1489617 , 2979234 , 10427319 , 20854638
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
-20854637
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 20854638 can be divided by 16 positive divisors.
The sum of these divisors (counting 20854638) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001111100011011101101110
3
Ternary
1110020112012000
4
Quaternary
1033203131232
5
Quinary
20314322023
6
Senary
2022553130
8
Octal
117433556
10
Decimal
20854638
12
Duodecimal
6b987a6
16
Hexadecimal
13e376e
20
Vigesimal
6a6gbi
36
Base36
cezji
md5
78554211f130b2c2bfce13909b878cee
sha1
39d18b283894f25b50ab7a31ef6d6dd7f1f717ea
sha256
e17e5d56f8f118fce7b17fd1d758c41fc92d3497b4ff25eef6bcb370bcb762c8
sha512
9a3664188df89c48cd2ea780852ccf51b87c607be3a403caa87aaad5be34ac68d5600f2b01db83110e55c00b3941d95ff04828c8540df1247eb1a70b5faf8c47
ripemd-160
e7c4e18c78d4ac1c14e438023326bf3cbfb9abdf
Diameter
41709276
Circumference
131033555.06815
Area
1.3663286783997E+15
Volume
3.7992386636058E+22
Surface area
5.4653147135986E+15
Circumference
131033555.06815
Perimeter
83418552
Area
434915926111044
Diagonal
29492911.897981
Surface area
2609495556666264
Volume
9.0700141994806E+21
Space diagonal
36121292.589457
Perimeter
62563914
Area
1.883241202613E+14
Altitude
18060646.294728
Surface area
1.883241202613E+14
Volume
1.0689114243185E+21
Height
9830970.6326604