21746661 is an odd 8-digits composite number following 21746660
and preceding 21746662 . In scientific notation, it is written as 2.1746661 × 10^7.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 13601280 positive integers (up to 21746661) that are relatively prime to 21746661.
21746661 has 16 divisors, whose sum is 23466240
The reverse of 21746661 is 16664712
Previous prime number is 193
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty-one million seven hundred forty-six thousand six hundred sixty-one
Scientific notation
2.1746661 × 10^7
Engineering notation
2.1746661 × 10^6
Prime Factorization
69 × 23 × 193 × 71
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21746661
Product of the distinct prime numbers
The prime factorization of 21746661 is 69 × 23 × 193 × 71.
Since it has a total of 4 prime factors.
2 , 3 , 18 , 72 , 61 , 226 , 4599 , 3910 , 8738 , 90979 , 547405 , 894055 , 1089330 , 7768328 , 83396194 , 88118857 , 516271085 , 456759625 , 3397387184 , 8952914941
n×2
43493322
n×3
65239983
n×4
86986644
n×5
108733305
n÷2
10873330.5
n÷3
7248887
n÷3
5436665.25
n÷5
4349332.2
n2
472917264648921
n3
1.0284371435367E+22
n4
2.2365073920302E+29
n5
4.8636568078474E+36
2 √n
4663.331534429
3 √n
279.12422366064
4 √n
68.288590074983
5 √n
29.341243589922
1 , 23 , 69 , 71 , 193 , 1587 , 1633 , 4439 , 4899 , 13317 , 13703 , 112677 , 306291 , 315169 , 945507 , 21746661
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21746660
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21746661 can be divided by 16 positive divisors.
The sum of these divisors (counting 21746661) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010010111101001111100101
3
Ternary
1111220211210220
4
Quaternary
1102331033211
5
Quinary
21031343121
6
Senary
2054034553
8
Octal
122751745
10
Decimal
21746661
12
Duodecimal
7348a59
16
Hexadecimal
14bd3e5
20
Vigesimal
6fi6d1
36
Base36
cy3tx
md5
28cffad4b02e4fc58b6fe3f5e5589f08
sha1
2e8bb3c8e44783e9a664eb3ffe2641dcefa44604
sha256
ea89e8183df6e0127bb4bfac8f48081c1e67829d1d87aafa3c6577faf04d5687
sha512
881292c0dea71a6823b366c9823618a75253b726d23d9ac6f522bed306daf9d030f44bd6431c005159dabe7d4c4e37f9ccf58f9e020e1e7010945a8de6665cfa
ripemd-160
c797a83c2f097995ebe0407be7ba0ce3f2a705d1
Diameter
43493322
Circumference
136638300.87542
Area
1.4857134043768E+15
Volume
4.3079074330852E+22
Surface area
5.9428536175073E+15
Circumference
136638300.87542
Perimeter
86986644
Area
472917264648921
Diagonal
30754422.92253
Surface area
2837503587893526
Volume
1.0284371435367E+22
Space diagonal
37666321.746977
Perimeter
65239983
Area
2.0477918253711E+14
Altitude
18833160.873488
Surface area
2.0477918253711E+14
Volume
1.2120247970316E+21
Height
10251474.30751