21493772 is an even 8-digits composite number following 21493771
and preceding 21493773 . In scientific notation, it is written as 2.1493772 × 10^7.
The sum of its digits is 35. It has a total of 3 prime factors and 6 positive divisors.
There are 10746884 positive integers (up to 21493772) that are relatively prime to 21493772.
21493772 has 6 divisors, whose sum is 37614108
The reverse of 21493772 is 27739412
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty-one million four hundred ninety-three thousand seven hundred seventy-two
Scientific notation
2.1493772 × 10^7
Engineering notation
2.1493772 × 10^6
Prime Factorization
2 × 2 × 5373443
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
10746886
Product of the distinct prime numbers
The prime factorization of 21493772 is 2 × 2 × 5373443.
Since it has a total of 3 prime factors.
8 , 6 , 55 , 23 , 223 , 313 , 9039 , 1224 , 42370 , 32763 , 623016 , 202536 , 3779169 , 6913434 , 84727332 , 22912618 , 502666827 , 949885259 , 4430482546 , 7395938978
n×2
42987544
n×3
64481316
n×4
85975088
n×5
107468860
n÷2
10746886
n÷3
7164590.6666667
n÷3
5373443
n÷5
4298754.4
n2
461982234787984
n3
9.9297408225834E+21
n4
2.134275852597E+29
n5
4.5873638560826E+36
2 √n
4636.1376165942
3 √n
278.03803630483
4 √n
68.089188690968
5 √n
29.272682854239
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21493771
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21493772 can be divided by 6 positive divisors.
The sum of these divisors (counting 21493772) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1010001111111100000001100
3
Ternary
1111102222220122
4
Quaternary
1101333200030
5
Quinary
21000300042
6
Senary
2044404112
8
Octal
121774014
10
Decimal
21493772
12
Duodecimal
7246638
16
Hexadecimal
147f80c
20
Vigesimal
6e6e8c
36
Base36
csop8
md5
29d025e2ae78e957d1ab554e6876956c
sha1
9519a26925d691768438aa3c71d4f33283210f99
sha256
d1647340ec039d37e9be53f1534d5a1597020cb539c009158a6fb1ff316364d8
sha512
27dd85cfa9f29893210ac546e46b0f978950d1fd0c8578d4957e59ef445946bcd45a5bde16c07da03b803362d3f670aa8efe7e3bd6e2cdb8ddec9a932fd1791f
ripemd-160
778926e7521ff892774c0b994ff14b5aa39e50e4
Diameter
42987544
Circumference
135049352.42627
Area
1.4513599948989E+15
Volume
4.1593601093705E+22
Surface area
5.8054399795957E+15
Circumference
135049352.42627
Perimeter
85975088
Area
461982234787984
Diagonal
30396783.868955
Surface area
2771893408727904
Volume
9.9297408225834E+21
Space diagonal
37228305.150301
Perimeter
64481316
Area
2.0004417571175E+14
Altitude
18614152.575151
Surface area
2.0004417571175E+14
Volume
1.1702311785123E+21
Height
10132261.289652