21493042 is an even 8-digits composite number following 21493041
and preceding 21493043 . In scientific notation, it is written as 2.1493042 × 10^7.
The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors.
There are 10738944 positive integers (up to 21493042) that are relatively prime to 21493042.
21493042 has 8 divisors, whose sum is 32262300
The reverse of 21493042 is 24039412
Previous prime number is 1889
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty-one million four hundred ninety-three thousand forty-two
Scientific notation
2.1493042 × 10^7
Engineering notation
2.1493042 × 10^6
Prime Factorization
2 × 1889 × 5689
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21493042
Product of the distinct prime numbers
The prime factorization of 21493042 is 2 × 1889 × 5689.
Since it has a total of 3 prime factors.
8 , 3 , 89 , 100 , 392 , 457 , 2659 , 4826 , 3540 , 75926 , 607947 , 786997 , 157153 , 4994709 , 84792963 , 90329416 , 323826469 , 440905273 , 7173658048 , 9777734733
n×2
42986084
n×3
64479126
n×4
85972168
n×5
107465210
n÷2
10746521
n÷3
7164347.3333333
n÷3
5373260.5
n÷5
4298608.4
n2
461950854413764
n3
9.9287291158509E+21
n4
2.1339859189361E+29
n5
4.5865848983101E+36
2 √n
4636.0588865975
3 √n
278.03488857031
4 √n
68.088610549765
5 √n
29.272484011999
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
-21493041
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 21493042 can be divided by 8 positive divisors.
The sum of these divisors (counting 21493042) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010001111111010100110010
3
Ternary
1111102221220121
4
Quaternary
1101333110302
5
Quinary
21000234132
6
Senary
2044400454
8
Octal
121772462
10
Decimal
21493042
12
Duodecimal
724612a
16
Hexadecimal
147f532
20
Vigesimal
6e6cc2
36
Base36
cso4y
md5
8653d2c7105f34ba384f4f8e2a40a809
sha1
5265ccacaa3d3c9db78c718adc8e4421932293c2
sha256
34ced3c65691e40984c365e2225651ea02c3874b61205c74470a114ad80fe42d
sha512
b46222f3247564b1fe4dc12cf95f969c044141ec12c2383ab870efefc06efb537393a4daa53138e706faf90dd38dfa58981ef274b2f9f7bc022118db34de15c4
ripemd-160
f07a47cb4d47111b90bb9ca4e2374c57842d4715
Diameter
42986084
Circumference
135044765.70099
Area
1.4512614105458E+15
Volume
4.1589363266454E+22
Surface area
5.8050456421832E+15
Circumference
135044765.70099
Perimeter
85972168
Area
461950854413764
Diagonal
30395751.493055
Surface area
2771705126482584
Volume
9.9287291158509E+21
Space diagonal
37227040.753212
Perimeter
64479126
Area
2.0003058761112E+14
Altitude
18613520.376606
Surface area
2.0003058761112E+14
Volume
1.1701119477304E+21
Height
10131917.164352