21693388 is an even 8-digits composite number following 21693387
and preceding 21693389 . In scientific notation, it is written as 2.1693388 × 10^7.
The sum of its digits is 40. It has a total of 4 prime factors and 12 positive divisors.
There are 10791792 positive integers (up to 21693388) that are relatively prime to 21693388.
21693388 has 12 divisors, whose sum is 38155600
The reverse of 21693388 is 88339612
Previous prime number is 199
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty-one million six hundred ninety-three thousand three hundred eighty-eight
Scientific notation
2.1693388 × 10^7
Engineering notation
2.1693388 × 10^6
Prime Factorization
2 × 2 × 199 × 27253
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10846694
Product of the distinct prime numbers
The prime factorization of 21693388 is 2 × 2 × 199 × 27253.
Since it has a total of 4 prime factors.
7 , 8 , 74 , 36 , 455 , 156 , 4058 , 450 , 57366 , 78708 , 692857 , 284515 , 5180550 , 1877029 , 59010460 , 94864766 , 271356688 , 317520487 , 4623499326 , 5238633358
n×2
43386776
n×3
65080164
n×4
86773552
n×5
108466940
n÷2
10846694
n÷3
7231129.3333333
n÷3
5423347
n÷5
4338677.6
n2
470603082918544
n3
1.0208975271748E+22
n4
2.2146726165244E+29
n5
4.8043752363239E+36
2 √n
4657.6161284503
3 √n
278.89611287869
4 √n
68.246729800411
5 √n
29.326853978778
1 , 2 , 4 , 199 , 398 , 796 , 27253 , 54506 , 109012 , 5423347 , 10846694 , 21693388
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
-21693387
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 21693388 can be divided by 12 positive divisors.
The sum of these divisors (counting 21693388) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010010110000001111001100
3
Ternary
1111211010201211
4
Quaternary
1102300033030
5
Quinary
21023142023
6
Senary
2052544204
8
Octal
122601714
10
Decimal
21693388
12
Duodecimal
7322064
16
Hexadecimal
14b03cc
20
Vigesimal
6fbd98
36
Base36
cwyq4
md5
0116ea31f95f126e73ba09993f5350fd
sha1
79d7178fdf6b76a6d29ddd64acf9b437a43ee829
sha256
caf5821c57e9e7d090d7df03ae0c80aaa42128043c76aea276e1de784a4a4f3d
sha512
975ffbfebe3d3614e45011b332f8bf7cb6c66560bb1b281648722555ab03328943528e9eca937d56d1ed56312630cef15b7b23bb0dfae7cef335c636679114bd
ripemd-160
460433d9f935f13f7ec0a3344b82230c610358ae
Diameter
43386776
Circumference
136303576.74455
Area
1.4784431880536E+15
Volume
4.2763255619205E+22
Surface area
5.9137727522144E+15
Circumference
136303576.74455
Perimeter
86773552
Area
470603082918544
Diagonal
30679083.523422
Surface area
2823618497511264
Volume
1.0208975271748E+22
Space diagonal
37574050.204305
Perimeter
65080164
Area
2.0377711245337E+14
Altitude
18787025.102152
Surface area
2.0377711245337E+14
Volume
1.2031392739365E+21
Height
10226361.174474