21493534 is an even 8-digits composite number following 21493533
and preceding 21493535 . In scientific notation, it is written as 2.1493534 × 10^7.
The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors.
There are 10746766 positive integers (up to 21493534) that are relatively prime to 21493534.
21493534 has 4 divisors, whose sum is 32240304
The reverse of 21493534 is 43539412
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-one million four hundred ninety-three thousand five hundred thirty-four
Scientific notation
2.1493534 × 10^7
Engineering notation
2.1493534 × 10^6
Prime Factorization
2 × 10746767
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21493534
Product of the distinct prime numbers
The prime factorization of 21493534 is 2 × 10746767.
Since it has a total of 2 prime factors.
7 , 9 , 12 , 59 , 668 , 875 , 5161 , 4550 , 1377 , 48882 , 653143 , 142067 , 8183986 , 2843845 , 92308565 , 53528280 , 928060073 , 661400361 , 1865486620 , 9488014443
n×2
42987068
n×3
64480602
n×4
85974136
n×5
107467670
n÷2
10746767
n÷3
7164511.3333333
n÷3
5373383.5
n÷5
4298706.8
n2
461972003809156
n3
9.9294109709202E+21
n4
2.1341813230345E+29
n5
4.5871098828806E+36
2 √n
4636.1119486052
3 √n
278.03701006496
4 √n
68.089000202714
5 √n
29.272618026815
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21493533
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21493534 can be divided by 4 positive divisors.
The sum of these divisors (counting 21493534) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010001111111011100011110
3
Ternary
1111102222120211
4
Quaternary
1101333130132
5
Quinary
21000243114
6
Senary
2044403034
8
Octal
121773436
10
Decimal
21493534
12
Duodecimal
724647a
16
Hexadecimal
147f71e
20
Vigesimal
6e6dge
36
Base36
csoim
md5
f555b2e5b36c73a099f46d5a7cdea2df
sha1
c9e6dfaa8dc642697e6d3df20bb84e6c8bfc7d43
sha256
2f9bd2d76d5e19fb50ea60540a88a6d00715eb2cebc42edd08de5785f30793fc
sha512
7e8e5a657c93047151f6181ac1e792ada1bb3befcb0b9ebdd691c3f0fee0cb99f3c66d49e55f71fde4a5d0a8587e16f57dbf36c59c6226078d797dfd8603fd74
ripemd-160
09a1e6d800d72f87a6db58757c37034b0f5f51a9
Diameter
42987068
Circumference
135047857.02816
Area
1.451327853331E+15
Volume
4.1592219414289E+22
Surface area
5.805311413324E+15
Circumference
135047857.02816
Perimeter
85974136
Area
461972003809156
Diagonal
30396447.286127
Surface area
2771832022854936
Volume
9.9294109709202E+21
Space diagonal
37227892.922209
Perimeter
64480602
Area
2.0003974556797E+14
Altitude
18613946.461105
Surface area
2.0003974556797E+14
Volume
1.170192305121E+21
Height
10132149.095376