21697319 is an odd 8-digits composite number following 21697318
and preceding 21697320 . In scientific notation, it is written as 2.1697319 × 10^7.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 18597696 positive integers (up to 21697319) that are relatively prime to 21697319.
21697319 has 4 divisors, whose sum is 24796944
The reverse of 21697319 is 91379612
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty-one million six hundred ninety-seven thousand three hundred nineteen
Scientific notation
2.1697319 × 10^7
Engineering notation
2.1697319 × 10^6
Prime Factorization
7 × 3099617
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21697319
Product of the distinct prime numbers
The prime factorization of 21697319 is 7 × 3099617.
Since it has a total of 2 prime factors.
10 , 9 , 2 , 28 , 766 , 953 , 7868 , 8434 , 94153 , 57722 , 766507 , 460640 , 8589706 , 7092236 , 14871556 , 10736787 , 403112523 , 432911809 , 2381317346 , 4062948227
n×2
43394638
n×3
65091957
n×4
86789276
n×5
108486595
n÷2
10848659.5
n÷3
7232439.6666667
n÷3
5424329.75
n÷5
4339463.8
n2
470773651787761
n3
1.0214526099634E+22
n4
2.2162783121758E+29
n5
4.8087297532061E+36
2 √n
4658.0381063276
3 √n
278.91295786397
4 √n
68.249821291543
5 √n
29.327916749681
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
-21697318
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 21697319 can be divided by 4 positive divisors.
The sum of these divisors (counting 21697319) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010010110001001100100111
3
Ternary
1111211100010102
4
Quaternary
1102301030213
5
Quinary
21023303234
6
Senary
2053014315
8
Octal
122611447
10
Decimal
21697319
12
Duodecimal
732439b
16
Hexadecimal
14b1327
20
Vigesimal
6fc35j
36
Base36
cx1rb
md5
bea4fc56ddf32e43fdabd8caf6ebea46
sha1
8e81329f9592665512dd1b7274fa32fe82945f51
sha256
eba7c9f059f82b69864a628b9843b455f5bf359a741c7a54b52f4ca057921c94
sha512
e024fe29a42bb2503e38b58781b2336aaa0867e5b5fdb835b282b2841f738e4ed2f512439c5c58c103147e9ffeadae8dacc37bd9c26dd4b682bf3a3044dbb391
ripemd-160
e829adb59f756de2d6c48cf49e9f76d565d7ddad
Diameter
43394638
Circumference
136328275.94599
Area
1.4789790459601E+15
Volume
4.2786506872682E+22
Surface area
5.9159161838403E+15
Circumference
136328275.94599
Perimeter
86789276
Area
470773651787761
Diagonal
30684642.796935
Surface area
2824641910726566
Volume
1.0214526099634E+22
Space diagonal
37580858.89603
Perimeter
65091957
Area
2.0385097094029E+14
Altitude
18790429.448015
Surface area
2.0385097094029E+14
Volume
1.2037934452764E+21
Height
10228214.265645