20103890 is an even 8-digits composite number following 20103889
and preceding 20103891 . In scientific notation, it is written as 2.0103890 × 10^7.
The sum of its digits is 23. It has a total of 3 prime factors and 8 positive divisors.
There are 8041552 positive integers (up to 20103890) that are relatively prime to 20103890.
20103890 has 8 divisors, whose sum is 36187020
The reverse of 20103890 is 09830102
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty million one hundred three thousand eight hundred ninety
Scientific notation
2.0103890 × 10^7
Engineering notation
2.0103890 × 10^6
Prime Factorization
2 × 5 × 2010389
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20103890
Product of the distinct prime numbers
The prime factorization of 20103890 is 2 × 5 × 2010389.
Since it has a total of 3 prime factors.
10 , 10 , 91 , 23 , 624 , 352 , 5800 , 7552 , 71211 , 40766 , 731866 , 131960 , 9518905 , 9016315 , 82373516 , 89299603 , 782132230 , 914791487 , 5915124280 , 6439438725
n×2
40207780
n×3
60311670
n×4
80415560
n×5
100519450
n÷2
10051945
n÷3
6701296.6666667
n÷3
5025972.5
n÷5
4020778
n2
404166393132100
n3
8.1253167092245E+21
n4
1.6335047333741E+29
n5
3.2839799474232E+36
2 √n
4483.7361652979
3 √n
271.91095160277
4 √n
66.960706129027
5 √n
28.883912445207
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20103889
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20103890 can be divided by 8 positive divisors.
The sum of these divisors (counting 20103890) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100101100001011010010
3
Ternary
1101211101100112
4
Quaternary
1030230023102
5
Quinary
20121311030
6
Senary
1554521322
8
Octal
114541322
10
Decimal
20103890
12
Duodecimal
6896242
16
Hexadecimal
132c2d2
20
Vigesimal
65cjea
36
Base36
byw9e
md5
e716836c4a08acb1b70a39a10a0d6a37
sha1
238eff0bf94e9be042d446bb506185454f1f5fc1
sha256
44e887e2b69aae6e014a9990c11c9b269f061876621880591b2571bc50b6addc
sha512
6ce7607432b43e2e0511021f670f8e4a9f463bf9fce225bdc55677a0918206d4ad6f7321645b2db4d76ee9ad65bd28f53e9beb1988d018e4449ab55096b21744
ripemd-160
ce4ab80e1c94ec967001a38de839ef69512eae25
Diameter
40207780
Circumference
126316466.26515
Area
1.2697261714917E+15
Volume
3.4035247042387E+22
Surface area
5.0789046859668E+15
Circumference
126316466.26515
Perimeter
80415560
Area
404166393132100
Diagonal
28431193.894457
Surface area
2424998358792600
Volume
8.1253167092245E+21
Space diagonal
34820958.909776
Perimeter
60311670
Area
1.7500918190416E+14
Altitude
17410479.454888
Surface area
1.7500918190416E+14
Volume
9.5757775739683E+20
Height
9477064.6314856