21492393 is an odd 8-digits composite number following 21492392
and preceding 21492394 . In scientific notation, it is written as 2.1492393 × 10^7.
The sum of its digits is 33. It has a total of 5 prime factors and 32 positive divisors.
There are 12337920 positive integers (up to 21492393) that are relatively prime to 21492393.
21492393 has 32 divisors, whose sum is 33008640
The reverse of 21492393 is 39329412
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty-one million four hundred ninety-two thousand three hundred ninety-three
Scientific notation
2.1492393 × 10^7
Engineering notation
2.1492393 × 10^6
Prime Factorization
3 × 31 × 13 × 29 × 613
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
21492393
Product of the distinct prime numbers
The prime factorization of 21492393 is 3 × 31 × 13 × 29 × 613.
Since it has a total of 5 prime factors.
4 , 7 , 5 , 88 , 688 , 935 , 3832 , 7884 , 3542 , 65191 , 634709 , 434345 , 6914495 , 1365447 , 91002747 , 98690751 , 636380706 , 237352445 , 6028178857 , 49563797
n×2
42984786
n×3
64477179
n×4
85969572
n×5
107461965
n÷2
10746196.5
n÷3
7164131
n÷3
5373098.25
n÷5
4298478.6
n2
461922956866449
n3
9.9278297246958E+21
n4
2.1337281808024E+29
n5
4.5858924616981E+36
2 √n
4635.9888912723
3 √n
278.03209004511
4 √n
68.088096546109
5 √n
29.27230722854
1 , 3 , 13 , 29 , 31 , 39 , 87 , 93 , 377 , 403 , 613 , 899 , 1131 , 1209 , 1839 , 2697 , 7969 , 11687 , 17777 , 19003 , 23907 , 35061 , 53331 , 57009 , 231101 , 247039 , 551087 , 693303 , 741117 , 1653261 , 7164131 , 21492393
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
-21492392
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 21492393 can be divided by 32 positive divisors.
The sum of these divisors (counting 21492393) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010001111111001010101001
3
Ternary
1111102221000120
4
Quaternary
1101333022221
5
Quinary
21000224033
6
Senary
2044353453
8
Octal
121771251
10
Decimal
21492393
12
Duodecimal
7245889
16
Hexadecimal
147f2a9
20
Vigesimal
6e6ajd
36
Base36
csnmx
md5
61e3dae44f537669ba60a0fe31335cfb
sha1
8ea42cdc58272b62124ca97e7b558ca1b9f68482
sha256
18e350abe5781ba2280fe44f3ce440365eeb2e87d8beb9eed6a0ca9b564fb18b
sha512
48c8612ef0b183ce384061fcc9df415e97aa75cfbb5f4eaad12bca8402672c3eed4e91e8f26b576e8083b740b09b03a655cc2945e48161febc728ec395bc77b0
ripemd-160
142920886af67fe4710e5f047463782159f4aaf1
Diameter
42984786
Circumference
135040687.91373
Area
1.4511737678161E+15
Volume
4.1585595905593E+22
Surface area
5.8046950712644E+15
Circumference
135040687.91373
Perimeter
85969572
Area
461922956866449
Diagonal
30394833.668453
Surface area
2771537741198694
Volume
9.9278297246958E+21
Space diagonal
37225916.652238
Perimeter
64477179
Area
2.0001850761878E+14
Altitude
18612958.326119
Surface area
2.0001850761878E+14
Volume
1.1700059534663E+21
Height
10131611.222818