21497746 is an even 8-digits composite number following 21497745
and preceding 21497747 . In scientific notation, it is written as 2.1497746 × 10^7.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 10748872 positive integers (up to 21497746) that are relatively prime to 21497746.
21497746 has 4 divisors, whose sum is 32246622
The reverse of 21497746 is 64779412
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty-one million four hundred ninety-seven thousand seven hundred forty-six
Scientific notation
2.1497746 × 10^7
Engineering notation
2.1497746 × 10^6
Prime Factorization
2 × 10748873
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21497746
Product of the distinct prime numbers
The prime factorization of 21497746 is 2 × 10748873.
Since it has a total of 2 prime factors.
1 , 5 , 45 , 6 , 788 , 85 , 2440 , 5604 , 1552 , 97741 , 281185 , 962465 , 7836201 , 339425 , 51941436 , 31917703 , 440834443 , 712686438 , 8253327438 , 9196610134
n×2
42995492
n×3
64493238
n×4
85990984
n×5
107488730
n÷2
10748873
n÷3
7165915.3333333
n÷3
5374436.5
n÷5
4299549.2
n2
462153083080516
n3
9.9352495931818E+21
n4
2.1358547220083E+29
n5
4.5916062306634E+36
2 √n
4636.5661863064
3 √n
278.05517080417
4 √n
68.092335738366
5 √n
29.273765223953
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21497745
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21497746 can be divided by 4 positive divisors.
The sum of these divisors (counting 21497746) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010010000000011110010010
3
Ternary
1111110012100211
4
Quaternary
1102000132102
5
Quinary
21000411441
6
Senary
2044434334
8
Octal
122003622
10
Decimal
21497746
12
Duodecimal
72489aa
16
Hexadecimal
1480792
20
Vigesimal
6e7476
36
Base36
csrrm
md5
4e6b9bb7779bf2918954e0118449b640
sha1
3c10869848c3a6cc0e4f395d8260d18d141d1cd1
sha256
298ed175351caedaed46fcd9f8eb8f54f85dc59ade93d4cc84fc46c04ce11b17
sha512
6f04cc0cefc332b22a85b1e1a2875fd33858e7df1c78df468e02fe61b6c5615aa2254bd73101631b8f839e1f05251e474eda33ec131a90ec13435cb8fc4d8c00
ripemd-160
96727fb099c8de7fe0709c7602339b9dfd9d6f47
Diameter
42995492
Circumference
135074321.80468
Area
1.4518967306396E+15
Volume
4.1616676178028E+22
Surface area
5.8075869225585E+15
Circumference
135074321.80468
Perimeter
85990984
Area
462153083080516
Diagonal
30402403.953652
Surface area
2772918498483096
Volume
9.9352495931818E+21
Space diagonal
37235188.320211
Perimeter
64493238
Area
2.0011815519251E+14
Altitude
18617594.160105
Surface area
2.0011815519251E+14
Volume
1.1708803933533E+21
Height
10134134.651217