21568492 is an even 8-digits composite number following 21568491
and preceding 21568493 . In scientific notation, it is written as 2.1568492 × 10^7.
The sum of its digits is 37. It has a total of 4 prime factors and 12 positive divisors.
There are 9803640 positive integers (up to 21568492) that are relatively prime to 21568492.
21568492 has 12 divisors, whose sum is 38057656
The reverse of 21568492 is 29486512
Previous prime number is 121
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty-one million five hundred sixty-eight thousand four hundred ninety-two
Scientific notation
2.1568492 × 10^7
Engineering notation
2.1568492 × 10^6
Prime Factorization
2 × 2 × 121 × 44563
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10784246
Product of the distinct prime numbers
The prime factorization of 21568492 is 2 × 2 × 121 × 44563.
Since it has a total of 4 prime factors.
8 , 1 , 98 , 77 , 92 , 550 , 1483 , 7222 , 80608 , 86997 , 962845 , 929784 , 3179129 , 1341114 , 40707381 , 30787233 , 714603755 , 427599242 , 2745384229 , 7718881619
n×2
43136984
n×3
64705476
n×4
86273968
n×5
107842460
n÷2
10784246
n÷3
7189497.3333333
n÷3
5392123
n÷5
4313698.4
n2
465199847154064
n3
1.0033659181744E+22
n4
2.1641089779216E+29
n5
4.6676567177431E+36
2 √n
4644.1890573059
3 √n
278.35985006391
4 √n
68.148287266122
5 √n
29.293007064628
1 , 2 , 4 , 121 , 242 , 484 , 44563 , 89126 , 178252 , 5392123 , 10784246 , 21568492
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
-21568491
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 21568492 can be divided by 12 positive divisors.
The sum of these divisors (counting 21568492) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010010010001101111101100
3
Ternary
1111120210102001
4
Quaternary
1102101233230
5
Quinary
21010142432
6
Senary
2050142044
8
Octal
122215754
10
Decimal
21568492
12
Duodecimal
7281924
16
Hexadecimal
1491bec
20
Vigesimal
6eg14c
36
Base36
cuacs
md5
1022a84a0fcaeb78c36028ddbc20f705
sha1
88c5f22dd274a89b5624b606ecb5fc41428ee4f8
sha256
87176714b4fb03a1f53a4b210fc6f3279b2971dd9a88624e8142511e1da80bc7
sha512
31d6a62345c8274653a6d14010935bf26d1e1002a1b1962ca67393a3dfd9b7b67c81ac9290ba5077a8a4b2ffb10f5c9526897ecef183edb70a2d4e839e7ceae3
ripemd-160
bb34e0120b044ed187a0e4174991ab6a57ea330b
Diameter
43136984
Circumference
135518832.03242
Area
1.4614684222703E+15
Volume
4.2028893298653E+22
Surface area
5.8458736890812E+15
Circumference
135518832.03242
Perimeter
86273968
Area
465199847154064
Diagonal
30502453.906336
Surface area
2791199082924384
Volume
1.0033659181744E+22
Space diagonal
37357723.986643
Perimeter
64705476
Area
2.0143744273603E+14
Altitude
18678861.993321
Surface area
2.0143744273603E+14
Volume
1.1824780745876E+21
Height
10167484.635445