20854471 is an odd 8-digits composite number following 20854470
and preceding 20854472 . In scientific notation, it is written as 2.0854471 × 10^7.
The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors.
There are 18958500 positive integers (up to 20854471) that are relatively prime to 20854471.
20854471 has 4 divisors, whose sum is 21026944
The reverse of 20854471 is 17445802
Previous prime number is 121
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million eight hundred fifty-four thousand four hundred seventy-one
Scientific notation
2.0854471 × 10^7
Engineering notation
2.0854471 × 10^6
Prime Factorization
121 × 172351
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20854471
Product of the distinct prime numbers
The prime factorization of 20854471 is 121 × 172351.
Since it has a total of 2 prime factors.
1 , 4 , 72 , 71 , 156 , 216 , 7481 , 7178 , 15392 , 26738 , 778247 , 22729 , 8630940 , 964495 , 60919477 , 79752874 , 645768184 , 662114999 , 5611383134 , 9503437102
n×2
41708942
n×3
62563413
n×4
83417884
n×5
104272355
n÷2
10427235.5
n÷3
6951490.3333333
n÷3
5213617.75
n÷5
4170894.2
n2
434908960689841
n3
9.0697963083464E+21
n4
1.8914580408832E+29
n5
3.9445356861315E+36
2 √n
4566.6695742083
3 √n
275.25363266918
4 √n
67.577137955142
5 √n
29.096438661867
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20854470
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20854471 can be divided by 4 positive divisors.
The sum of these divisors (counting 20854471) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001111100011011011000111
3
Ternary
1110020111221211
4
Quaternary
1033203123013
5
Quinary
20314320341
6
Senary
2022552251
8
Octal
117433307
10
Decimal
20854471
12
Duodecimal
6b98687
16
Hexadecimal
13e36c7
20
Vigesimal
6a6g3b
36
Base36
cezev
md5
cbf28ad412ab6f826448626b625510ec
sha1
d908977a2a65de833b768890183eeac2c8601feb
sha256
cfc8d98cfaafe9d1306efde738421b1b7ab85419dc48ba189dc19fc10819d21e
sha512
320b33b2547d2e3488a8bf65c64e1b1f228c4fdbb09d3c35837d19cd4ee173e4ccd6310e3892727cd9b64ca843c127cf1fd55e02c8eda82c358591f8b666ff02
ripemd-160
ae4358422a0fbdd117ed6836db18c5f4862d1bf0
Diameter
41708942
Circumference
131032505.7762
Area
1.3663067958836E+15
Volume
3.7991473935809E+22
Surface area
5.4652271835343E+15
Circumference
131032505.7762
Perimeter
83417884
Area
434908960689841
Diagonal
29492675.724316
Surface area
2609453764139046
Volume
9.0697963083464E+21
Space diagonal
36121003.336972
Perimeter
62563413
Area
1.8832110414545E+14
Altitude
18060501.668486
Surface area
1.8832110414545E+14
Volume
1.0688857456021E+21
Height
9830891.9081055