20201385 is an odd 8-digits composite number following 20201384
and preceding 20201386 . In scientific notation, it is written as 2.0201385 × 10^7.
The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors.
There are 10752960 positive integers (up to 20201385) that are relatively prime to 20201385.
20201385 has 16 divisors, whose sum is 32385600
The reverse of 20201385 is 58310202
Previous prime number is 1949
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty million two hundred one thousand three hundred eighty-five
Scientific notation
2.0201385 × 10^7
Engineering notation
2.0201385 × 10^6
Prime Factorization
3 × 5 × 1949 × 691
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20201385
Product of the distinct prime numbers
The prime factorization of 20201385 is 3 × 5 × 1949 × 691.
Since it has a total of 4 prime factors.
6 , 5 , 19 , 56 , 901 , 496 , 5525 , 5007 , 16168 , 8487 , 531114 , 149939 , 7760920 , 2453945 , 78322344 , 85882313 , 999914577 , 928552576 , 208849177 , 2706559544
n×2
40402770
n×3
60604155
n×4
80805540
n×5
101006925
n÷2
10100692.5
n÷3
6733795
n÷3
5050346.25
n÷5
4040277
n2
408095955918225
n3
8.2441035224471E+21
n4
1.6654230923681E+29
n5
3.3643853076819E+36
2 √n
4494.5950874356
3 √n
272.34979236846
4 √n
67.041741381289
5 √n
28.911873106251
1 , 3 , 5 , 15 , 691 , 1949 , 2073 , 3455 , 5847 , 9745 , 10365 , 29235 , 1346759 , 4040277 , 6733795 , 20201385
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
-20201384
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 20201385 can be divided by 16 positive divisors.
The sum of these divisors (counting 20201385) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101000011111110101001
3
Ternary
1102000100002110
4
Quaternary
1031003332221
5
Quinary
20132421020
6
Senary
2000552533
8
Octal
115037651
10
Decimal
20201385
12
Duodecimal
6922749
16
Hexadecimal
1343fa9
20
Vigesimal
665395
36
Base36
c0zhl
md5
c092135ce3da83246890947d3059ea87
sha1
2f07e61aabcd76d67c055c2db94ece78eb1dd9ed
sha256
e1e6a0bf2d29b84c7aa8e725341b275e3ec20c3bc42b38f5aa7083725da41a52
sha512
675f65d3792bfb17b8bcce62bcebe5fa8e53b1abd133542d2d43d77399e466975cb89028ce4dd5e1d4b5a0c7b080ba75b4660eca85c048c514fcb358bcad1475
ripemd-160
72ab64f080fd7295eb6448cdb3660228bb815f9c
Diameter
40402770
Circumference
126929045.41668
Area
1.2820712570724E+15
Volume
3.4532820082071E+22
Surface area
5.1282850282896E+15
Circumference
126929045.41668
Perimeter
80805540
Area
408095955918225
Diagonal
28569072.64572
Surface area
2448575735509350
Volume
8.2441035224471E+21
Space diagonal
34989825.20326
Perimeter
60604155
Area
1.7671073250344E+14
Altitude
17494912.60163
Surface area
1.7671073250344E+14
Volume
9.7157691758771E+20
Height
9523024.2152401