21729654 is an even 8-digits composite number following 21729653
and preceding 21729655 . In scientific notation, it is written as 2.1729654 × 10^7.
The sum of its digits is 36. It has a total of 6 prime factors and 32 positive divisors.
There are 6861672 positive integers (up to 21729654) that are relatively prime to 21729654.
21729654 has 32 divisors, whose sum is 50832000
The reverse of 21729654 is 45692712
Previous prime number is 19
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty-one million seven hundred twenty-nine thousand six hundred fifty-four
Scientific notation
2.1729654 × 10^7
Engineering notation
2.1729654 × 10^6
Prime Factorization
2 × 3 × 3 × 3 × 19 × 21179
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
2414406
Product of the distinct prime numbers
The prime factorization of 21729654 is 2 × 3 × 3 × 3 × 19 × 21179.
Since it has a total of 6 prime factors.
3 , 2 , 40 , 9 , 942 , 137 , 5926 , 2776 , 27519 , 39844 , 208678 , 66744 , 4637862 , 7916622 , 82297310 , 55568234 , 33695540 , 707129396 , 3900734259 , 3657687181
n×2
43459308
n×3
65188962
n×4
86918616
n×5
108648270
n÷2
10864827
n÷3
7243218
n÷3
5432413.5
n÷5
4345930.8
n2
472177862959716
n3
1.0260261588574E+22
n4
2.229519342692E+29
n5
4.8446683903006E+36
2 √n
4661.5076960142
3 √n
279.05144154951
4 √n
68.27523486605
5 √n
29.336652883308
1 , 2 , 3 , 6 , 9 , 18 , 19 , 27 , 38 , 54 , 57 , 114 , 171 , 342 , 513 , 1026 , 21179 , 42358 , 63537 , 127074 , 190611 , 381222 , 402401 , 571833 , 804802 , 1143666 , 1207203 , 2414406 , 3621609 , 7243218 , 10864827 , 21729654
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21729653
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21729654 can be divided by 32 positive divisors.
The sum of these divisors (counting 21729654) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010010111001000101110110
3
Ternary
1111212222111000
4
Quaternary
1102321011312
5
Quinary
21030322104
6
Senary
2053424130
8
Octal
122710566
10
Decimal
21729654
12
Duodecimal
733b046
16
Hexadecimal
14b9176
20
Vigesimal
6fg42e
36
Base36
cxqpi
md5
ae8b93c4424a8969b421c2a34b3d4a13
sha1
cf10466c1ba04dc1a3893a30194f7e93b2d94abd
sha256
2e646c41f2e016e716070be73e491c2563d2e00038197ca3e0682777bb3de323
sha512
24f1e26272edc1318fb9462c45aba916d34b27bfe63774bb05ae4f4a769779fc98e26a2b39e8c33a66b6037f9fee934377ea28e9f9807e70f9e8b3b6796607c9
ripemd-160
6cafeb52f0e9b1f8c9a976bffeb76e8ba6cbbc1f
Diameter
43459308
Circumference
136531442.7429
Area
1.483390505462E+15
Volume
4.2978083240765E+22
Surface area
5.9335620218479E+15
Circumference
136531442.7429
Perimeter
86918616
Area
472177862959716
Diagonal
30730371.392475
Surface area
2833067177758296
Volume
1.0260261588574E+22
Space diagonal
37636864.758892
Perimeter
65188962
Area
2.0445901221388E+14
Altitude
18818432.379446
Surface area
2.0445901221388E+14
Volume
1.2091834243381E+21
Height
10243457.130825