21697744 is an even 8-digits composite number following 21697743
and preceding 21697745 . In scientific notation, it is written as 2.1697744 × 10^7.
The sum of its digits is 40. It has a total of 5 prime factors and 10 positive divisors.
There are 10848864 positive integers (up to 21697744) that are relatively prime to 21697744.
21697744 has 10 divisors, whose sum is 42039410
The reverse of 21697744 is 44779612
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 six hundred ninety-seven thousand seven hundred forty-four
Scientific notation
2.1697744 × 10^7
Engineering notation
2.1697744 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 1356109
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
2712218
Product of the distinct prime numbers
The prime factorization of 21697744 is 2 × 2 × 2 × 2 × 1356109.
Since it has a total of 5 prime factors.
3 , 9 , 28 , 46 , 191 , 294 , 7787 , 7558 , 24619 , 34930 , 427013 , 168923 , 1359955 , 1682379 , 96084773 , 63841285 , 26390475 , 770590856 , 2258058931 , 5894968569
n×2
43395488
n×3
65093232
n×4
86790976
n×5
108488720
n÷2
10848872
n÷3
7232581.3333333
n÷3
5424436
n÷5
4339548.8
n2
470792094689536
n3
1.0215126347797E+22
n4
2.2164519642216E+29
n5
4.8092007307978E+36
2 √n
4658.0837261689
3 √n
278.9147789374
4 √n
68.250155502892
5 √n
29.328031641913
10 divisors
τ
Total Divisors
10
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21697743
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.1
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
10
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21697744 can be divided by 10 positive divisors.
The sum of these divisors (counting 21697744) is 1, the average is 0.1.
Base
System
Value
2
Binary
1010010110001010011010000
3
Ternary
1111211100201011
4
Quaternary
1102301103100
5
Quinary
21023311434
6
Senary
2053020304
8
Octal
122612320
10
Decimal
21697744
12
Duodecimal
7324694
16
Hexadecimal
14b14d0
20
Vigesimal
6fc474
36
Base36
cx234
md5
7523b53123ab7631b7941f99505eae5a
sha1
911f8ba024e104a58055fd3b82930801dc75ba50
sha256
a1ca1d5ec19c3ea3f52c854053c479dae9f993616dc21b8b4216c02dc2dc3784
sha512
8b2c91230403e997d858b45f9191fc6f592150d618b155d0d4a0700b90685fc9fac962e9303a75a50211ac0394e61e12937e832600304ded910c8f03badbf7be
ripemd-160
bfe8dbb2a4b36d86eae6921355036952a4170677
Diameter
43395488
Circumference
136330946.29974
Area
1.4790369860448E+15
Volume
4.2789021186309E+22
Surface area
5.9161479441792E+15
Circumference
136330946.29974
Perimeter
86790976
Area
470792094689536
Diagonal
30685243.837699
Surface area
2824752568137216
Volume
1.0215126347797E+22
Space diagonal
37581595.017623
Perimeter
65093232
Area
2.0385895695101E+14
Altitude
18790797.508811
Surface area
2.0385895695101E+14
Volume
1.2038641852008E+21
Height
10228414.612566