20853479 is an odd 8-digits composite number following 20853478
and preceding 20853480 . In scientific notation, it is written as 2.0853479 × 10^7.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 19946784 positive integers (up to 20853479) that are relatively prime to 20853479.
20853479 has 4 divisors, whose sum is 21760176
The reverse of 20853479 is 97435802
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty million eight hundred fifty-three thousand four hundred seventy-nine
Scientific notation
2.0853479 × 10^7
Engineering notation
2.0853479 × 10^6
Prime Factorization
23 × 906673
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20853479
Product of the distinct prime numbers
The prime factorization of 20853479 is 23 × 906673.
Since it has a total of 2 prime factors.
2 , 7 , 32 , 29 , 288 , 149 , 1101 , 4219 , 12253 , 9537 , 614269 , 308289 , 4504812 , 8069467 , 3520473 , 87109229 , 762212541 , 189910083 , 157587340 , 288285993
n×2
41706958
n×3
62560437
n×4
83413916
n×5
104267395
n÷2
10426739.5
n÷3
6951159.6666667
n÷3
5213369.75
n÷5
4170695.8
n2
434867586403441
n3
9.0685020808448E+21
n4
1.8910981770435E+29
n5
3.9435976121916E+36
2 √n
4566.5609598471
3 √n
275.24926820247
4 √n
67.576334317919
5 √n
29.096161846249
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
-20853478
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 20853479 can be divided by 4 positive divisors.
The sum of these divisors (counting 20853479) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001111100011001011100111
3
Ternary
1110020110121002
4
Quaternary
1033203023213
5
Quinary
20314302404
6
Senary
2022543515
8
Octal
117431347
10
Decimal
20853479
12
Duodecimal
6b97b9b
16
Hexadecimal
13e32e7
20
Vigesimal
6a6ddj
36
Base36
ceynb
md5
2de67f44bdf48c86d7faab0c954b64b3
sha1
956fb006ed22eeb6f52b8abdbfad785d3e484352
sha256
8320d3da5500e844873ea4c041a88f9ad1a4763e87bd7479dbb987bbabebdf4b
sha512
cff394abc44f57306e80a069a250ee016b4f6428d57bec3f9386622221fdcc879af6ff11206000743e5f829c1d43d0d17f17edff600d0d3a417450414251aa6a
ripemd-160
5cd9630f66b99436fcb570171fd325a662fc498a
Diameter
41706958
Circumference
131026272.85638
Area
1.3661768147294E+15
Volume
3.7986052688328E+22
Surface area
5.4647072589175E+15
Circumference
131026272.85638
Perimeter
83413916
Area
434867586403441
Diagonal
29491272.824463
Surface area
2609205518420646
Volume
9.0685020808448E+21
Space diagonal
36119285.142571
Perimeter
62560437
Area
1.883031885539E+14
Altitude
18059642.571285
Surface area
1.883031885539E+14
Volume
1.0687332194283E+21
Height
9830424.2748208