21490590 is an even 8-digits composite number following 21490589
and preceding 21490591 . In scientific notation, it is written as 2.1490590 × 10^7.
The sum of its digits is 30. It has a total of 5 prime factors and 32 positive divisors.
There are 5209760 positive integers (up to 21490590) that are relatively prime to 21490590.
21490590 has 32 divisors, whose sum is 56267136
The reverse of 21490590 is 09509412
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-one million four hundred ninety thousand five hundred ninety
Scientific notation
2.1490590 × 10^7
Engineering notation
2.1490590 × 10^6
Prime Factorization
2 × 5 × 11 × 3 × 65123
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
21490590
Product of the distinct prime numbers
The prime factorization of 21490590 is 2 × 5 × 11 × 3 × 65123.
Since it has a total of 5 prime factors.
5 , 10 , 65 , 74 , 981 , 40 , 7443 , 8607 , 28878 , 21894 , 747531 , 807928 , 6230821 , 8140669 , 94280196 , 42175410 , 82115711 , 682228213 , 7057397637 , 9191932960
n×2
42981180
n×3
64471770
n×4
85962360
n×5
107452950
n÷2
10745295
n÷3
7163530
n÷3
5372647.5
n÷5
4298118
n2
461845458548100
n3
9.9253313930192E+21
n4
2.133012275815E+29
n5
4.5839692284508E+36
2 √n
4635.7944302999
3 √n
278.02431511009
4 √n
68.086668521084
5 √n
29.27181608043
1 , 2 , 3 , 5 , 6 , 10 , 11 , 15 , 22 , 30 , 33 , 55 , 66 , 110 , 165 , 330 , 65123 , 130246 , 195369 , 325615 , 390738 , 651230 , 716353 , 976845 , 1432706 , 1953690 , 2149059 , 3581765 , 4298118 , 7163530 , 10745295 , 21490590
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
-21490589
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 21490590 can be divided by 32 positive divisors.
The sum of these divisors (counting 21490590) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010001111110101110011110
3
Ternary
1111102211112210
4
Quaternary
1101332232132
5
Quinary
21000144330
6
Senary
2044341250
8
Octal
121765636
10
Decimal
21490590
12
Duodecimal
7244826
16
Hexadecimal
147eb9e
20
Vigesimal
6e669a
36
Base36
csm8u
md5
cfae5f312dfec880777a5bd3d1df41df
sha1
8eae326e1ad01133d238cc57d663cf6daa451e65
sha256
6c548c6e7bc017ac342d2c553840e8450c5ae9ede2428484b7203dd7ea252fb1
sha512
2317bbb2c4057387014cf75afc68e1662913de453e98537f952161eb1d6666d6c9c19fcad4a0ff46ecd2041a980f92c71fce94cfd98ffc221eb8611b0b965ec9
ripemd-160
2d436b4c05cc6a54aa772823405dacd2cd3fcbe0
Diameter
42981180
Circumference
135029359.33062
Area
1.4509302996685E+15
Volume
4.1575130918338E+22
Surface area
5.8037211986741E+15
Circumference
135029359.33062
Perimeter
85962360
Area
461845458548100
Diagonal
30392283.8414
Surface area
2771072751288600
Volume
9.9253313930192E+21
Space diagonal
37222793.764632
Perimeter
64471770
Area
1.9998494986256E+14
Altitude
18611396.882316
Surface area
1.9998494986256E+14
Volume
1.1697115222546E+21
Height
10130761.280467