21506494 is an even 8-digits composite number following 21506493
and preceding 21506495 . In scientific notation, it is written as 2.1506494 × 10^7.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 10632336 positive integers (up to 21506494) that are relatively prime to 21506494.
21506494 has 8 divisors, whose sum is 32622480
The reverse of 21506494 is 49460512
Previous prime number is 89
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-one million five hundred six thousand four hundred ninety-four
Scientific notation
2.1506494 × 10^7
Engineering notation
2.1506494 × 10^6
Prime Factorization
2 × 89 × 120823
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21506494
Product of the distinct prime numbers
The prime factorization of 21506494 is 2 × 89 × 120823.
Since it has a total of 3 prime factors.
2 , 1 , 64 , 79 , 442 , 740 , 8314 , 8744 , 72786 , 2234 , 273220 , 717947 , 8239660 , 2299431 , 86863117 , 26018321 , 107210023 , 45573618 , 2764305600 , 9642632074
n×2
43012988
n×3
64519482
n×4
86025976
n×5
107532470
n÷2
10753247
n÷3
7168831.3333333
n÷3
5376623.5
n÷5
4301298.8
n2
462529284172036
n3
9.9473832748702E+21
n4
2.139333387167E+29
n5
4.6009560655106E+36
2 √n
4637.5094609068
3 √n
278.09288168433
4 √n
68.099261823509
5 √n
29.276147289728
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
-21506493
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 21506494 can be divided by 8 positive divisors.
The sum of these divisors (counting 21506494) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010010000010100110111110
3
Ternary
1111110122100211
4
Quaternary
1102002212332
5
Quinary
21001201434
6
Senary
2044543034
8
Octal
122024676
10
Decimal
21506494
12
Duodecimal
7251a7a
16
Hexadecimal
14829be
20
Vigesimal
6e864e
36
Base36
csyim
md5
8f1295bfcee1138685835d13f27a44a9
sha1
749c5f00d111f9c9e1aaa989ccbc7885f660ba11
sha256
f802443229f6c6a87eb59b7657f1ce590752f3734c6cf0688527268eff6eabee
sha512
2fa3b25f2f7da25341720c8eda7078a5478bb52e08afaa71587665e0939d943bf2096c533680fd6fe36a877c7abb1b1559cb4c2184a43e9c65327dc004d50752
ripemd-160
6f9b7ce6fb7089913109ebf881e306047f4e735b
Diameter
43012988
Circumference
135129287.10975
Area
1.453078601225E+15
Volume
4.1667501625032E+22
Surface area
5.8123144049001E+15
Circumference
135129287.10975
Perimeter
86025976
Area
462529284172036
Diagonal
30414775.493896
Surface area
2775175705032216
Volume
9.9473832748702E+21
Space diagonal
37250340.300675
Perimeter
64519482
Area
2.0028105504361E+14
Altitude
18625170.150338
Surface area
2.0028105504361E+14
Volume
1.1723103614537E+21
Height
10138258.497965