21497726 is an even 8-digits composite number following 21497725
and preceding 21497727 . In scientific notation, it is written as 2.1497726 × 10^7.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 10748862 positive integers (up to 21497726) that are relatively prime to 21497726.
21497726 has 4 divisors, whose sum is 32246592
The reverse of 21497726 is 62779412
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty-one million four hundred ninety-seven thousand seven hundred twenty-six
Scientific notation
2.1497726 × 10^7
Engineering notation
2.1497726 × 10^6
Prime Factorization
2 × 10748863
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21497726
Product of the distinct prime numbers
The prime factorization of 21497726 is 2 × 10748863.
Since it has a total of 2 prime factors.
1 , 1 , 14 , 12 , 227 , 18 , 2459 , 4328 , 49864 , 82891 , 448881 , 930862 , 936974 , 3692008 , 52622550 , 51240766 , 698201411 , 494427467 , 7144621219 , 632705226
n×2
42995452
n×3
64493178
n×4
85990904
n×5
107488630
n÷2
10748863
n÷3
7165908.6666667
n÷3
5374431.5
n÷5
4299545.2
n2
462152223171076
n3
9.9352218640226E+21
n4
2.1358467738197E+29
n5
4.5915848721559E+36
2 √n
4636.5640295374
3 √n
278.05508457644
4 √n
68.092319901274
5 √n
29.273759777098
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
-21497725
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 21497726 can be divided by 4 positive divisors.
The sum of these divisors (counting 21497726) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010010000000011101111110
3
Ternary
1111110012100002
4
Quaternary
1102000131332
5
Quinary
21000411401
6
Senary
2044434302
8
Octal
122003576
10
Decimal
21497726
12
Duodecimal
7248992
16
Hexadecimal
148077e
20
Vigesimal
6e7466
36
Base36
csrr2
md5
483bffd9147dd7a940ce6039a33912df
sha1
58ce1dd7cb18f9e405db4284162d6da65b633ed5
sha256
adf4c83a60503c5a9fb400a4bd5cd07becaf418d058e313d7c0ba5e44cc72621
sha512
76244e5f97dc5cf0113a0c1b74345b93f2773bf178e93cff9a839a5913eb7a12f98d8d14fc7b96bc7a76b2f9d806696ce146318c269113049b2884f50d9e2063
ripemd-160
c51b6b2b49e8ad01c2a7e4ebb16940845cadc404
Diameter
42995452
Circumference
135074196.14097
Area
1.4518940291544E+15
Volume
4.1616560026398E+22
Surface area
5.8075761166178E+15
Circumference
135074196.14097
Perimeter
85990904
Area
462152223171076
Diagonal
30402375.669381
Surface area
2772913339026456
Volume
9.9352218640226E+21
Space diagonal
37235153.679194
Perimeter
64493178
Area
2.001177828408E+14
Altitude
18617576.839597
Surface area
2.001177828408E+14
Volume
1.1708771254405E+21
Height
10134125.223127