20729285 is an odd 8-digits composite number following 20729284
and preceding 20729286 . In scientific notation, it is written as 2.0729285 × 10^7.
The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors.
There are 15563520 positive integers (up to 20729285) that are relatively prime to 20729285.
20729285 has 16 divisors, whose sum is 26429760
The reverse of 20729285 is 58292702
Previous prime number is 113
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty million seven hundred twenty-nine thousand two hundred eighty-five
Scientific notation
2.0729285 × 10^7
Engineering notation
2.0729285 × 10^6
Prime Factorization
5 × 19 × 113 × 1931
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20729285
Product of the distinct prime numbers
The prime factorization of 20729285 is 5 × 19 × 113 × 1931.
Since it has a total of 4 prime factors.
5 , 3 , 26 , 94 , 556 , 296 , 6894 , 710 , 89650 , 7961 , 97248 , 208675 , 7569271 , 2390435 , 12430185 , 15166658 , 461100282 , 619025485 , 48133711 , 740683982
n×2
41458570
n×3
62187855
n×4
82917140
n×5
103646425
n÷2
10364642.5
n÷3
6909761.6666667
n÷3
5182321.25
n÷5
4145857
n2
429703256611225
n3
8.9074412717222E+21
n4
1.8464488874229E+29
n5
3.8275565225323E+36
2 √n
4552.9424551602
3 √n
274.70175931608
4 √n
67.475495219822
5 √n
29.061422243005
1 , 5 , 19 , 95 , 113 , 565 , 1931 , 2147 , 9655 , 10735 , 36689 , 183445 , 218203 , 1091015 , 4145857 , 20729285
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
-20729284
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 20729285 can be divided by 16 positive divisors.
The sum of these divisors (counting 20729285) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001111000100110111000101
3
Ternary
1110000011020022
4
Quaternary
1033010313011
5
Quinary
20301314120
6
Senary
2020144525
8
Octal
117046705
10
Decimal
20729285
12
Duodecimal
6b38145
16
Hexadecimal
13c4dc5
20
Vigesimal
69b345
36
Base36
ccath
md5
ed83ab45af2299bfdf9f129e216ff7f7
sha1
f2497ec9bfbd532122946f597cb66d1418a90c45
sha256
858dcfa200137ae57821f0e093a4497ae9f77ec420558439f50d2b329bd342d9
sha512
74b0551f2ad4dca09857abe944e4f05e3ee3c5eb2fe607e06ff8827cd74cbd0029aec1ac526a188e130560b3a2516d923fcd5f1732bf852301341ae521c06675
ripemd-160
c35a0950ea389b3e8729240d9c4f360335881c87
Diameter
41458570
Circumference
130245938.94034
Area
1.3499525941934E+15
Volume
3.73114027487E+22
Surface area
5.3998103767737E+15
Circumference
130245938.94034
Perimeter
82917140
Area
429703256611225
Diagonal
29315635.985297
Surface area
2578219539667350
Volume
8.9074412717222E+21
Space diagonal
35904174.824575
Perimeter
62187855
Area
1.8606696815711E+14
Altitude
17952087.412288
Surface area
1.8606696815711E+14
Volume
1.0497520210426E+21
Height
9771878.6617657