21493492 is an even 8-digits composite number following 21493491
and preceding 21493493 . In scientific notation, it is written as 2.1493492 × 10^7.
The sum of its digits is 34. It has a total of 4 prime factors and 12 positive divisors.
There are 10647936 positive integers (up to 21493492) that are relatively prime to 21493492.
21493492 has 12 divisors, whose sum is 37959460
The reverse of 21493492 is 29439412
Previous prime number is 109
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty-one million four hundred ninety-three thousand four hundred ninety-two
Scientific notation
2.1493492 × 10^7
Engineering notation
2.1493492 × 10^6
Prime Factorization
2 × 2 × 109 × 49297
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10746746
Product of the distinct prime numbers
The prime factorization of 21493492 is 2 × 2 × 109 × 49297.
Since it has a total of 4 prime factors.
4 , 9 , 8 , 75 , 973 , 50 , 1733 , 7906 , 91988 , 33303 , 378512 , 118466 , 1415508 , 8737514 , 43702397 , 24299913 , 79989886 , 450567505 , 4983631286 , 3673398523
n×2
42986984
n×3
64480476
n×4
85973968
n×5
107467460
n÷2
10746746
n÷3
7164497.3333333
n÷3
5373373
n÷5
4298698.4
n2
461970198354064
n3
9.9293527625615E+21
n4
2.1341646416729E+29
n5
4.587065065248E+36
2 √n
4636.1074189453
3 √n
278.03682896303
4 √n
68.088966939919
5 √n
29.272606586621
1 , 2 , 4 , 109 , 218 , 436 , 49297 , 98594 , 197188 , 5373373 , 10746746 , 21493492
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21493491
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21493492 can be divided by 12 positive divisors.
The sum of these divisors (counting 21493492) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010001111111011011110100
3
Ternary
1111102222112021
4
Quaternary
1101333123310
5
Quinary
21000242432
6
Senary
2044402524
8
Octal
121773364
10
Decimal
21493492
12
Duodecimal
7246444
16
Hexadecimal
147f6f4
20
Vigesimal
6e6dec
36
Base36
csohg
md5
e2eccd882fc9b281af0eb48b0a3e5eec
sha1
cccc0aa47343b2ae3d8819a45324cf0f92b6e380
sha256
c448383bdc369cf413fe34f1fc08df69a5d7800371446a8af2a135d0a1ad8e42
sha512
42be3eabf24e2d870f12acb145c760bcd6d6deddbabccd17c38d6b32804f43c6fe9b0e4ce0e195826ca9ed2ffa6ec97246d738f8feb82ddc5d13e1edac79df48
ripemd-160
027d4d7cd188127c2583518212a24fbdaf895cd7
Diameter
42986984
Circumference
135047593.13438
Area
1.4513221813265E+15
Volume
4.1591975591686E+22
Surface area
5.8052887253062E+15
Circumference
135047593.13438
Perimeter
85973968
Area
461970198354064
Diagonal
30396387.889158
Surface area
2771821190124384
Volume
9.9293527625615E+21
Space diagonal
37227820.176075
Perimeter
64480476
Area
2.0003896378298E+14
Altitude
18613910.088038
Surface area
2.0003896378298E+14
Volume
1.1701854452001E+21
Height
10132129.296386