20030991 is an odd 8-digits composite number following 20030990
and preceding 20030992 . In scientific notation, it is written as 2.0030991 × 10^7.
The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors.
There are 12620160 positive integers (up to 20030991) that are relatively prime to 20030991.
20030991 has 16 divisors, whose sum is 28216320
The reverse of 20030991 is 19903002
Previous prime number is 43
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty million thirty thousand nine hundred ninety-one
Scientific notation
2.0030991 × 10^7
Engineering notation
2.0030991 × 10^6
Prime Factorization
3 × 31 × 43 × 5009
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20030991
Product of the distinct prime numbers
The prime factorization of 20030991 is 3 × 31 × 43 × 5009.
Since it has a total of 4 prime factors.
2 , 1 , 51 , 84 , 280 , 386 , 5145 , 4235 , 64535 , 77787 , 696074 , 961983 , 6886511 , 1178640 , 91920949 , 16663933 , 692962638 , 696772316 , 596778614 , 2183234777
n×2
40061982
n×3
60092973
n×4
80123964
n×5
100154955
n÷2
10015495.5
n÷3
6676997
n÷3
5007747.75
n÷5
4006198.2
n2
401240600442081
n3
8.0372468562899E+21
n4
1.6099401944312E+29
n5
3.224869754519E+36
2 √n
4475.5995129144
3 √n
271.58189349789
4 √n
66.899921621138
5 √n
28.86293472333
1 , 3 , 31 , 43 , 93 , 129 , 1333 , 3999 , 5009 , 15027 , 155279 , 215387 , 465837 , 646161 , 6676997 , 20030991
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
-20030990
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 20030991 can be divided by 16 positive divisors.
The sum of these divisors (counting 20030991) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100011010011000001111
3
Ternary
1101200200100120
4
Quaternary
1030122120033
5
Quinary
20111442431
6
Senary
1553200023
8
Octal
114323017
10
Decimal
20030991
12
Duodecimal
6860013
16
Hexadecimal
131a60f
20
Vigesimal
653h9b
36
Base36
bxc0f
md5
0d96619a3e88d9fbc3ae7df70ae25805
sha1
4cd5728887742930ad2110b1069c7757454b2f69
sha256
cbca764dad6a7c92df2cf45af60729fe68530020d9305e5b639b1c247d81d6ab
sha512
32be3a5a447ec6fda63e1a24f6c4da7a468c4464ff3903102ca409e1f8dcabe2dcebd171689d65268c077f1733dea7769931f03999dd18da1af3993c559059af
ripemd-160
8bab1ad655297cb9100eb260772efaeea0a51316
Diameter
40061982
Circumference
125858428.33945
Area
1.2605345226708E+15
Volume
3.3666340905077E+22
Surface area
5.0421380906832E+15
Circumference
125858428.33945
Perimeter
80123964
Area
401240600442081
Diagonal
28328099.139973
Surface area
2407443602652486
Volume
8.0372468562899E+21
Space diagonal
34694694.137955
Perimeter
60092973
Area
1.7374227650628E+14
Altitude
17347347.068977
Surface area
1.7374227650628E+14
Volume
9.4719862569214E+20
Height
9442699.7133245