21697719 is an odd 8-digits composite number following 21697718
and preceding 21697720 . In scientific notation, it is written as 2.1697719 × 10^7.
The sum of its digits is 42. It has a total of 2 prime factors and 4 positive divisors.
There are 14465144 positive integers (up to 21697719) that are relatively prime to 21697719.
21697719 has 4 divisors, whose sum is 28930296
The reverse of 21697719 is 91779612
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
twenty-one million six hundred ninety-seven thousand seven hundred nineteen
Scientific notation
2.1697719 × 10^7
Engineering notation
2.1697719 × 10^6
Prime Factorization
3 × 7232573
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21697719
Product of the distinct prime numbers
The prime factorization of 21697719 is 3 × 7232573.
Since it has a total of 2 prime factors.
4 , 2 , 3 , 28 , 982 , 216 , 6283 , 4731 , 4745 , 1318 , 27185 , 535423 , 6434892 , 4539177 , 85638042 , 23860787 , 712787504 , 113768837 , 994368131 , 8362578462
n×2
43395438
n×3
65093157
n×4
86790876
n×5
108488595
n÷2
10848859.5
n÷3
7232573
n÷3
5424429.75
n÷5
4339543.8
n2
470791009802961
n3
1.0215091038431E+22
n4
2.2164417491129E+29
n5
4.8091730252121E+36
2 √n
4658.0810426612
3 √n
278.91467181609
4 √n
68.250135843537
5 √n
29.328024883596
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
-21697718
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 21697719 can be divided by 4 positive divisors.
The sum of these divisors (counting 21697719) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010010110001010010110111
3
Ternary
1111211100200020
4
Quaternary
1102301102313
5
Quinary
21023311334
6
Senary
2053020223
8
Octal
122612267
10
Decimal
21697719
12
Duodecimal
7324673
16
Hexadecimal
14b14b7
20
Vigesimal
6fc45j
36
Base36
cx22f
md5
c29ed51e099fda57a8584687cc5d7835
sha1
34dd6c4f6655de6f029615f3164e5d125053fc9d
sha256
8c63a36ca5e65ddd0df1b65c93467461e72cbb349956deac67c1fce4abcec8aa
sha512
18c6953cb9c6ac289e598c19745736d756bbabba1ae0f973635e78a85da23b6247bb9aa18a92f96d0c4014e65bba62d0ee5c2d2bb6de9b3ce85a026ea3d20ef0
ripemd-160
6cd105914a3279b7c3d2e269380caeb1b003ce8f
Diameter
43395438
Circumference
136330789.22011
Area
1.4790335777731E+15
Volume
4.2788873282781E+22
Surface area
5.9161343110924E+15
Circumference
136330789.22011
Perimeter
86790876
Area
470791009802961
Diagonal
30685208.48236
Surface area
2824746058817766
Volume
1.0215091038431E+22
Space diagonal
37581551.716353
Perimeter
65093157
Area
2.0385848718135E+14
Altitude
18790775.858176
Surface area
2.0385848718135E+14
Volume
1.2038600239521E+21
Height
10228402.827453