20631490 is an even 8-digits composite number following 20631489
and preceding 20631491 . In scientific notation, it is written as 2.0631490 × 10^7.
The sum of its digits is 25. It has a total of 4 prime factors and 16 positive divisors.
There are 7502320 positive integers (up to 20631490) that are relatively prime to 20631490.
20631490 has 16 divisors, whose sum is 40512960
The reverse of 20631490 is 09413602
Previous prime number is 11
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million six hundred thirty-one thousand four hundred ninety
Scientific notation
2.0631490 × 10^7
Engineering notation
2.0631490 × 10^6
Prime Factorization
2 × 5 × 11 × 187559
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20631490
Product of the distinct prime numbers
The prime factorization of 20631490 is 2 × 5 × 11 × 187559.
Since it has a total of 4 prime factors.
7 , 3 , 5 , 30 , 751 , 143 , 2613 , 9036 , 18457 , 89113 , 429217 , 852893 , 1672354 , 4886288 , 92108818 , 49894524 , 345380354 , 45411848 , 4717009738 , 3838012503
n×2
41262980
n×3
61894470
n×4
82525960
n×5
103157450
n÷2
10315745
n÷3
6877163.3333333
n÷3
5157872.5
n÷5
4126298
n2
425658379620100
n3
8.7819666025483E+21
n4
1.8118505614081E+29
n5
3.7381176739185E+36
2 √n
4542.1900004293
3 √n
274.26908936831
4 √n
67.395771383888
5 √n
29.033949609553
1 , 2 , 5 , 10 , 11 , 22 , 55 , 110 , 187559 , 375118 , 937795 , 1875590 , 2063149 , 4126298 , 10315745 , 20631490
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
-20631489
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 20631490 can be divided by 16 positive divisors.
The sum of these divisors (counting 20631490) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001110101100111111000010
3
Ternary
1102211012002021
4
Quaternary
1032230333002
5
Quinary
20240201430
6
Senary
2014112054
8
Octal
116547702
10
Decimal
20631490
12
Duodecimal
6aab62a
16
Hexadecimal
13acfc2
20
Vigesimal
68iiea
36
Base36
ca7cy
md5
75df20abde7fc2331b5ecf85f3ceb4f1
sha1
0c8634d16f44881b5012353fe5239e30c956c6de
sha256
8eb31876ddfac2fc86a01a555e7c0390c160472d003e348828c1d5edeeaa02ec
sha512
7f4c35e17081df4545dbc3470c715e33de7f7600bf74940d0c58f762be9982e780ff77dc4b1df235bf7b1050815d6300317d3e987a8e686590a8ba9a19bb5676
ripemd-160
e0c04847fbee609f377f8f0b2224277291ee68c7
Diameter
41262980
Circumference
129631474.83322
Area
1.3372452383534E+15
Volume
3.6785815683516E+22
Surface area
5.3489809534138E+15
Circumference
129631474.83322
Perimeter
82525960
Area
425658379620100
Diagonal
29177332.969965
Surface area
2553950277720600
Volume
8.7819666025483E+21
Space diagonal
35734788.915849
Perimeter
61894470
Area
1.8431548504236E+14
Altitude
17867394.457925
Surface area
1.8431548504236E+14
Volume
1.0349646894693E+21
Height
9725777.656655