20031890 is an even 8-digits composite number following 20031889
and preceding 20031891 . In scientific notation, it is written as 2.0031890 × 10^7.
The sum of its digits is 23. It has a total of 5 prime factors and 32 positive divisors.
There are 7305120 positive integers (up to 20031890) that are relatively prime to 20031890.
20031890 has 32 divisors, whose sum is 33177600
The reverse of 20031890 is 09813002
Previous prime number is 19
Is Prime? no
Number parity even
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty million thirty-one thousand eight hundred ninety
Scientific notation
2.0031890 × 10^7
Engineering notation
2.0031890 × 10^6
Prime Factorization
2 × 95 × 31 × 19 × 179
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20031890
Product of the distinct prime numbers
The prime factorization of 20031890 is 2 × 95 × 31 × 19 × 179.
Since it has a total of 5 prime factors.
3 , 3 , 47 , 85 , 895 , 208 , 822 , 2978 , 44152 , 60954 , 388382 , 283791 , 1295961 , 3227395 , 3320108 , 47720012 , 328093466 , 404530237 , 7135019113 , 6808682172
n×2
40063780
n×3
60095670
n×4
80127560
n×5
100159450
n÷2
10015945
n÷3
6677296.6666667
n÷3
5007972.5
n÷5
4006378
n2
401276616972100
n3
8.0383290507572E+21
n4
1.6102292332857E+29
n5
3.2255934875964E+36
2 √n
4475.69994526
3 √n
271.58595634347
4 √n
66.900672233244
5 √n
28.86319379501
1 , 2 , 19 , 31 , 38 , 62 , 95 , 179 , 190 , 358 , 589 , 1178 , 1805 , 2945 , 3401 , 3610 , 5549 , 5890 , 6802 , 11098 , 17005 , 34010 , 55955 , 105431 , 111910 , 210862 , 323095 , 527155 , 646190 , 1054310 , 10015945 , 20031890
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20031889
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20031890 can be divided by 32 positive divisors.
The sum of these divisors (counting 20031890) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001100011010100110010010
3
Ternary
1101200201120212
4
Quaternary
1030122212102
5
Quinary
20112010030
6
Senary
1553204122
8
Octal
114324622
10
Decimal
20031890
12
Duodecimal
6860642
16
Hexadecimal
131a992
20
Vigesimal
653jea
36
Base36
bxcpe
md5
6d0cd33ce609cd3a4392f0c66584ae39
sha1
2c208027daaa952f334b71fdce280b2c3e0613c1
sha256
92ad5bbce73068c2f32f995af1b51a6033f61467061d42bce263e7c7ac3e476f
sha512
4603ac7fa1a38fc35eb6a66f48b339046e355461b9a65fc4fce0df373f1f33eb41e68a6cc1f0679778b099c4b59bd4fbc2dc1939f0395aded49be4ecea06b023
ripemd-160
09702bacdb01641c774e69d3ad9a23fef6da3220
Diameter
40063780
Circumference
125864076.92304
Area
1.2606476719369E+15
Volume
3.3670873990662E+22
Surface area
5.0425906877477E+15
Circumference
125864076.92304
Perimeter
80127560
Area
401276616972100
Diagonal
28329370.517966
Surface area
2407659701832600
Volume
8.0383290507572E+21
Space diagonal
34696251.251631
Perimeter
60095670
Area
1.7375787212126E+14
Altitude
17348125.625815
Surface area
1.7375787212126E+14
Volume
9.4732616353321E+20
Height
9443123.5059887