21490863 is an odd 8-digits composite number following 21490862
and preceding 21490864 . In scientific notation, it is written as 2.1490863 × 10^7.
The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors.
There are 14311488 positive integers (up to 21490863) that are relatively prime to 21490863.
21490863 has 8 divisors, whose sum is 28686000
The reverse of 21490863 is 36809412
Previous prime number is 1049
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty-one million four hundred ninety thousand eight hundred sixty-three
Scientific notation
2.1490863 × 10^7
Engineering notation
2.1490863 × 10^6
Prime Factorization
3 × 1049 × 6829
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21490863
Product of the distinct prime numbers
The prime factorization of 21490863 is 3 × 1049 × 6829.
Since it has a total of 3 prime factors.
9 , 3 , 28 , 37 , 577 , 349 , 8552 , 7381 , 28370 , 78711 , 582038 , 375623 , 8212969 , 4729127 , 31015165 , 56640166 , 2592717 , 98606432 , 8655838306 , 2504961797
n×2
42981726
n×3
64472589
n×4
85963452
n×5
107454315
n÷2
10745431.5
n÷3
7163621
n÷3
5372715.75
n÷5
4298172.6
n2
461857192484769
n3
9.9257096492548E+21
n4
2.1331206624991E+29
n5
4.5842603920238E+36
2 √n
4635.8238749978
3 √n
278.02549237444
4 √n
68.086884750279
5 √n
29.271890449399
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
-21490862
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 21490863 can be divided by 8 positive divisors.
The sum of these divisors (counting 21490863) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010001111110110010101111
3
Ternary
1111102211220220
4
Quaternary
1101332302233
5
Quinary
21000201423
6
Senary
2044342423
8
Octal
121766257
10
Decimal
21490863
12
Duodecimal
7244a13
16
Hexadecimal
147ecaf
20
Vigesimal
6e6733
36
Base36
csmgf
md5
9311f9ba3a4cc763266a87c79857be05
sha1
1b5a09b375cad084107b5f3e88645394cc172a3f
sha256
b04b73851947083224fd9b50e0142bbd228509eb1896c7451e72f66f8d11ba7c
sha512
778c585e4d8c9f965dd5e7473325d0e92b4314904eb93d334f2c91f0e6a173007b702fc676415ea4fdcb9bba15dcfc467c4c0a1507b1735efb719cf31f8a1c33
ripemd-160
369d93935aa5883a425b176e845340590a2a24f1
Diameter
42981726
Circumference
135031074.64021
Area
1.4509671629178E+15
Volume
4.1576715354352E+22
Surface area
5.803868651671E+15
Circumference
135031074.64021
Perimeter
85963452
Area
461857192484769
Diagonal
30392669.921702
Surface area
2771143154908614
Volume
9.9257096492548E+21
Space diagonal
37223266.614502
Perimeter
64472589
Area
1.9999003080618E+14
Altitude
18611633.307251
Surface area
1.9999003080618E+14
Volume
1.1697561001795E+21
Height
10130889.973901