21492543 is an odd 8-digits composite number following 21492542
and preceding 21492544 . In scientific notation, it is written as 2.1492543 × 10^7.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 14298200 positive integers (up to 21492543) that are relatively prime to 21492543.
21492543 has 8 divisors, whose sum is 28717056
The reverse of 21492543 is 34529412
Previous prime number is 491
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-one million four hundred ninety-two thousand five hundred forty-three
Scientific notation
2.1492543 × 10^7
Engineering notation
2.1492543 × 10^6
Prime Factorization
3 × 491 × 14591
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21492543
Product of the distinct prime numbers
The prime factorization of 21492543 is 3 × 491 × 14591.
Since it has a total of 3 prime factors.
10 , 1 , 83 , 24 , 392 , 775 , 9909 , 4830 , 90065 , 26341 , 798040 , 603393 , 3907951 , 5695128 , 3784228 , 85468899 , 890407922 , 247601388 , 3689578828 , 6938279727
n×2
42985086
n×3
64477629
n×4
85970172
n×5
107462715
n÷2
10746271.5
n÷3
7164181
n÷3
5373135.75
n÷5
4298508.6
n2
461929404606849
n3
9.9280375914771E+21
n4
2.1337877484044E+29
n5
4.5860524935454E+36
2 √n
4636.0050690223
3 √n
278.03273685871
4 √n
68.088215346139
5 √n
29.272348087962
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21492542
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21492543 can be divided by 8 positive divisors.
The sum of these divisors (counting 21492543) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010001111111001100111111
3
Ternary
1111102221020010
4
Quaternary
1101333030333
5
Quinary
21000230133
6
Senary
2044354303
8
Octal
121771477
10
Decimal
21492543
12
Duodecimal
7245993
16
Hexadecimal
147f33f
20
Vigesimal
6e6b73
36
Base36
csnr3
md5
9b4be5e61522d9a61bb619c13c831cfc
sha1
08df5fec9488f1f7280d8245e52c2ebe677ccd00
sha256
64c550cbfbbe4bdef25957e0b892f6e6d88f9d16081d781c868ab5d0cfded211
sha512
64847621c21bb65034ba23828699999424ca2a6e8e644c0f9129e6b4b492a3acb4935fa27748009d51b18b0911202b22e63069b9ddb3e1635391c1271237959a
ripemd-160
7ac59e3cf7493fc55bd62ffa442eb453c2a2bc2f
Diameter
42985086
Circumference
135041630.39153
Area
1.45119402399E+15
Volume
4.158646661593E+22
Surface area
5.8047760959599E+15
Circumference
135041630.39153
Perimeter
85970172
Area
461929404606849
Diagonal
30395045.800487
Surface area
2771576427641094
Volume
9.9280375914771E+21
Space diagonal
37226176.459859
Perimeter
64477629
Area
2.0002129957228E+14
Altitude
18613088.229929
Surface area
2.0002129957228E+14
Volume
1.1700304508014E+21
Height
10131681.933496