20190890 is an even 8-digits composite number following 20190889
and preceding 20190891 . In scientific notation, it is written as 2.0190890 × 10^7.
The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors.
There are 8076352 positive integers (up to 20190890) that are relatively prime to 20190890.
20190890 has 8 divisors, whose sum is 36343620
The reverse of 20190890 is 09809102
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million one hundred ninety thousand eight hundred ninety
Scientific notation
2.0190890 × 10^7
Engineering notation
2.0190890 × 10^6
Prime Factorization
2 × 5 × 2019089
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20190890
Product of the distinct prime numbers
The prime factorization of 20190890 is 2 × 5 × 2019089.
Since it has a total of 3 prime factors.
4 , 1 , 90 , 27 , 105 , 320 , 865 , 5598 , 9415 , 20287 , 590394 , 127424 , 7221974 , 5971112 , 2174222 , 82138982 , 695420788 , 109194537 , 8655247894 , 5989879501
n×2
40381780
n×3
60572670
n×4
80763560
n×5
100954450
n÷2
10095445
n÷3
6730296.6666667
n÷3
5047722.5
n÷5
4038178
n2
407672038992100
n3
8.2312612953652E+21
n4
1.6619649137598E+29
n5
3.3556550757583E+36
2 √n
4493.4274223581
3 √n
272.30262058303
4 √n
67.033032322566
5 √n
28.908868429265
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
-20190889
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 20190890 can be divided by 8 positive divisors.
The sum of these divisors (counting 20190890) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101000001011010101010
3
Ternary
1101222210200202
4
Quaternary
1031001122222
5
Quinary
20132102030
6
Senary
2000432202
8
Octal
115013252
10
Decimal
20190890
12
Duodecimal
6918662
16
Hexadecimal
13416aa
20
Vigesimal
663h4a
36
Base36
c0re2
md5
4bbf5be16e144018db73cf8b0f19410e
sha1
72c6c4ada7cb50f618b05f5d5d16ea56396a326d
sha256
022111beb98508429949310eda7b6ace93f8c31db5d010105678eab37ea750c2
sha512
d477ebccba7bd4693efe52d418a72eff45dacf781d019917be7e8cd83eb27bbca956fae13540007fcb499b762bf688667b040d2b8bb2f936d8591a958c3b49de
ripemd-160
403152c24b8baf7e94662b2dcb42f67218c1768d
Diameter
40381780
Circumference
126863103.38688
Area
1.2807394827716E+15
Volume
3.4479026687063E+22
Surface area
5.1229579310862E+15
Circumference
126863103.38688
Perimeter
80763560
Area
407672038992100
Diagonal
28554230.474383
Surface area
2446032233952600
Volume
8.2312612953652E+21
Space diagonal
34971647.330034
Perimeter
60572670
Area
1.7652717108988E+14
Altitude
17485823.665017
Surface area
1.7652717108988E+14
Volume
9.7006344661185E+20
Height
9518076.8247944